8000 rpm 355 sbc. The first season WAS with STOCK rod's.
8000 rpm 355 sbc 779 Mean Piston Velocity @ 8200 RPM = 4441 FPM Max Piston Velocity @ 8200 RPM = 6973 FPM Any comments or suggestion would help. It's possible to get 650 hp from an old SBC. Aftermarket blocks, heads, rotators and valve train components can RPM just as high as you can Dec 14, 2007 · Mike - We have been running the same Summit Proline (forged) crank and rods for 15 years in our 383" sbc. 7" Heavy Beam Rods with 150,000 PSI Bolts, Forged Aluminum 10. Dec 9, 2015 · We run brodix spec heads on our dirt track 355. So, in reality, the shorter the stroke, the higher the engine RPM's. Cam-wise, you will need a solid roller set-up with around . He runs 10. It was a stock car motor that ran 7200RPM regularly. 250 length honda rod journals Bowtie block 4. Made Aug 20, 2020 · SBC Eliminator Single Plane Race Manifold 23° (3500 to 8000 RPM) AFR #4811 Designed for SB Chevy 23° heads with standard port location. It will be expensive, and might not last long, but you don't need 8000 rpms to get it. With untouched port,7400 to 7800rpmwith peak power around 6800. Feb 10, 2011 · Current intake is a Brodix HVH HV1000 with an RPM range from 4000 to 8000. 7 Inches Your Inertia Force is 2,998. 70 ratio T 355 SBC 571 hp na 8000 rpm Jul 12, 2023 · Westech Performance tests a 358-inch Trans-Am-style small-block Chevy that makes 662 hp and revs past 7,800 rpm! Keeping it all stable at nearly 8,000 rpm is a full complement of 1. Jason Gore AKA DragRacer Naturally Aspriated 450 SBC - 915 HP / 714 lb-ft 3370 lbs Dec 9, 2009 · Higher RPM just kills motor longevity. For a 302 it's 8000 rpm. The design while stronger leads to oil being whipped up if proper steps aren’t taken, In high rpm builds. 39 MPH 141. Find Camshafts 4,000-8,000 Basic Operating RPM Range and get Free Shipping on Orders Over $109 at Summit Racing! Camshaft, Mechanical Flat Tappet, Advertised Mar 22, 2023 · Listen as This Small-Block Chevy Turns 10,000 RPM. My 1962 Chevrolet Bel Air 327/300 has 10. 1 ¾ Hooker Super Comp headers, MSD ignition. For a 355 or smaller cubic inch engine, the small runners keep the port velocity up for good low and midrange power. 267-inch stroke crankshaft from a 4. Sep 25, 2014 · The formula to figure mean piston speed is; RPM x stroke / 6. 30 bore block. 640 lift isky solid roller crane ultra pro lifters crane rev kit jesel rocker shaft 1. Depending on the tire size might take a lot more gear than even 4. Jump to Latest Our 355 CAST crank has lived at 8G at the track for several seasons. Chrysler Small Block V8. 268 inch stroke in comparison to the 3 inch stroke in a 283 cubic inch Gen 1 Small Block. I believe Roger is seeing near 8000 RPM shifts to make the power. Another friend raced a 355 SBC with stock rods that had stock bolts in them & stock steel crank, turning it 8000 RPM. First lets say an individual built a 355 with 12:1 compression and a large solid roller cam and large, high flowing cylinder heads and has an 8000 rpm redline. 170 Bore x 3. Piston Weight: 530 Grams RPM: 8000 Stroke: 3. 60 exhaust 185cc-64cc chamber. Back in 1957, hot rodders wet their pants when the 283ci fuelie small-block Chevy hit the magical 1 hp per cubic inch mark. 60 350 4 Bolt, 1pc . Oct 7, 2020 · Using Transmission Gear Ratio: 1 gives these RPM data: Engine Speed (RPM) MPH 3. Apr 19, 2009 · This little beast was in a Vega with a narrowed 10 bolt with a 411 gear with the old G60 14 tires , turbo 400 with a full manual VB with the stock vega converter. A nice set of heads always helps too. Unfortunately, Summit no longer offers their Proline series. Feb 29, 2020 · But GM’s LS engines all have a relatively long stroke in comparison to their size, especially when you compare them to the Gen 1 Small Block Chevrolet strokes. Crane Cams 8,000 rpm Small-Block 347ci Ford Build and Test. 5" tall) From reading a lot about this fairly common set up, I am wondering what "realistic" rpm's I should (could) be able to rev, especially in 1st and 2nd gear. :thumbup: Apr 4, 2019 · I am going to shift my 325" at 8,000 rpm when/IF I live long enough to build it! I still want to take a 400 block and 327 crank and make a 348. The car (69z, 4 speed, 4. 23 Degree Port Matched Intake Manifold Small-Block Chevy SBC Eliminator CNC Port Match Street/Strip Single Plane Aluminum 4150 Intake Manifold - Air Flow Research Jul 10, 2009 · If done properly 8000 rpm is 700 hp territory for any of these engines, but is unnecessarily hard on parts, and you won't likely be able to do it on an $8,000 budget. I have AFR 210's and my 1 3/4 are very restrictive. Great for 1/3 - 3/8 mile short tracks offering high torque. 800 to 6. 050", 104-108lobe sep, lift @or around . . The engine is going to be a fairly mild street engine, approx 350 to 400hp. Aug 5, 2008 · We use the SBC RPM heads for drag racing. If you want 8000 youll have to be running a solid lifter cam, you cant do it with a hydraulic cam, not on the street anyway, but you can go 7000 reliably with hydraulic cam, but everything has to be perfect. Was M120X before poor management. 50 . 020" quench. SPECIFICATIONS: Engine Size: 355 C. Maybe 950. Bore walls, another story. ) 3. 498Ex. It’s been a while since I rebuilt a SBC myself but so far s Mar 8, 2024 · 520 BBC 6. 0032, RPM dual plane. A mid competition build at 7000 maybe 8000 RPM your looking at a 15-20 thousand dollar investment. 4000-8000 RPM Sep 24, 2007 · 8000+ rpm 420" SBC Short motor build. Item Details For 1/3 - 3/8 mile tracks, high torque. AND. 1. Most likely this joker took a stock LS junkyard motor and turbo’ed it ran it to 8000 rpm and said the MLS gaskets got pushed. 48 MPH 143. Believe it or not,I think the flat Apr 13, 2009 · YES 500 plus HP from a 302 is damn impressive,. 48 Inches Rod Length: 5. 500” with 4150 carb flange Comes with cast in nitrous bosses Sep 5, 2015 · I have a fresh build SBC with 4. Aug 14, 2018 · What sounds better than a 327 SBC at 6500-7000 RPM. 155 bore/1. 7:1 compression. 8 to 1 comp, rpm airgap, 1 5/8s headers, but I would highly suggest a quickfuel 680 I hated the street avenger. They use the short deck bowtie smallblock {formerly know as the lowdeck rocket block}with 2 relief flat top pistons,SB2 heads and a flat tappet camshaft with about . Mar 23, 2014 · Well I have a 355 with a custom mike jones hyd roller and i have the 195 street eliminators and its in a 70 impala with a built to the teeth th350 with a ptc 2800 stall and mine has 9. 82 MPH 7000 RPM 182. Sep 22, 2011 · A crank with just 2 ounce-inches of imbalance sees 14. 903" hyd roller has been used by engine builders to build 1000HP drag engines. cam and stock rocker arms Apr 21, 2017 · 355 sbc Street car Jump to Latest 2. EVER! Every pass I went through the Traps around 8000-8300! May 4, 2004 · if you want to make power to 7000 grand you need a cam with a redline arround 8500 rpm, for dragrace id go with a superstock 350 cam like comp CS-312FR-4, its 284 degrees @ . You ain't gonna build such an engine for $4k. 75+ stroke cranks that see 8000 RPM!!! For Mike (big_red) I would use forged Scat crank and rods from Wolfplace. 36 Gear MPH 3. Good rod bolts, good machine work and kick ass balance job. The cams I'm thinking of are comp extreme energy 12-432-8, 2200-5800 rpm, 510-520 lift, 230-236 duration@ 50 with a 110 lobe separation, the other cam is crane 119841 2800-6800 rpm, 234-242 duration@50 539-558 lift with a 112 lobe Apr 17, 2013 · Used parts like his block are aways a big and need to be carefully inspected , remember all parts have a lifetime, I'd not be much scared pushing a good stock 350 block up to 8000 RPM and 500-550 HP with the correct upgrades. 8 lbs, at 8,000 RPM, you have 227. 25" stroke and anywhere from a 5. Save Share (WOT), at very high RPM levels (8000-9000 RPM). It also has an aftermarket cam in it, BUT I don’t know the duration, lift, really any of the cam specs because I bought the truck from a guy on marketplace, and all he said was a stage 2 cam (Yes I know the stage 2 thing is a load of bologna). Chevyfreak. 7500-7700 ish and there is wheel spin also (oval dirt track) so they see 8000+ (happens more often then not). 6. 5 rockers Edelbrock performer rpm 750 Holley on 4 hole spacer. Oct 11, 2012 · I ran this EXACT 350 Crank (3. Here's the 2 I was looking at: Victor Jr. Jul 12, 2023 · Westech Performance tests a 358-inch Trans-Am-style small-block Chevy that makes 662 hp and revs past 7,800 rpm! Keeping it all stable at nearly 8,000 rpm is a full complement of 1. 5 rockers Jun 17, 2008 · JMO I think you have a mismatch. If your that person, check out this little inch road race engine Jan 31, 2011 · The 400 engine is sometimes destroked to 377 or even 348 cid. 2 lbs of force at 2,000 RPM. Nov 18, 2018 · Re: SBC 420" and 8000 RPM Post by BrazilianZ28Camaro » Mon Nov 19, 2018 11:49 pm Rowdy Yates wrote: ↑ Mon Nov 19, 2018 4:15 pm 2. 11 MPH 6000 RPM 156. 632" with 1. 300 main bearings and i'll guarentee you those engines come down between races and everything is magnafluxed for cracks. Most heads that have 215cc intake runners meet this criteria. 52 MPH 155. 006" and I have steel 6. I want to do this and stay at or under 331 cu in. This manifold is excellent for larger cubic inch serious street/strip or a wide variety of race applications. The torque curve hits the max of 482 Ft Lbs @ 3500 RPM. I have had good luck with JE and Ross pistons. For example, the 4. So I build my motors to feasably withstand 8000 rpm and then cam them down and put a rev limiter to 7000 and then they last. 5/1. 031" quench is too tight. 125” rods , flat top pistons 10. Aug 5, 2020 · My own experience, with more common street/strip SBC stuff. 504Int. 7 "Pink" Rods (With ARP Bolts) in my 355 (3970010 4-Bolt Block) for ever Dude! Seriousely I ran this combo for over 10 years & NEVER HAD ONE ISSUE. 660 lift, if you want to drive it occationally id go with a puller or ovaltrack type cam, preforably a roller, comp CS-308AR, its an open corse cam, so it has some range and good Oct 15, 2008 · I donot believe there is a 9,000RPM motor made that does not require a lot of maintance, look at the prostock guys, they check valve train every round and changing springs between rounds is common practice and they are running on 1. 1 psi of boost where the supercharged small-block pumped out 644 hp at 6,700 rpm and 565 lb-ft of torque at 5,000 rpm. Apr 15, 2023 · Smallest head GM ever put on 427CID Big Block was 253cc. 48 Inches Sep 26, 2003 · Right now I have dual plane but I was thinking about going with a single plane for my street/strip car. Drivetrain & Performance Jul 10, 2009 · Don't make the mistake of thinking that the 383 is ONLY a low rpm torque motor. 535/. We spin ours to 7600rpm, it has been together 7 years with a Scat cast crank, went 10. 74 pounds. Good luck man. 050" tappet lift 200/202 @. 02's, Edelbrock Performer, 800CFM Q jet, Camaro ram air system,Edelbrock headers, Comp Magnum roller tip rockers,TH 200 4R, 3. The assembly technic , perfect engine balance (good damper) and tune is very important, to have success there. A edelbrock rpm air gap manifold and Holley 650 double pump with bigger squirters. It takes a ton of mods to do those things. The Torque at 5500 RPM is 418 ft. John Wilson's 422 SBC runs in the 10. For a 350 it's 6897 rpm. Eagle forged crank Scat 7/16" I beam rods SRP 10. Jul 30, 2013 · Engine is stock block 355 with splayed mains, has Eagle 4340 crankshaft, Manley aluminum rods and Wiseco forged dome pistons and plasma moly rings. 355 with forged goodies 10. 70 Gear 8000 RPM 208. One of Bob Williams at All Pro's large 23 castings along with all the parts will set you back $8000 plus these days. Nov 4, 2002 · building an 8000 rpm 327 isn't a problem , but reliability, driveability, and street ability could be. older afr210 heads teamg intake 950 pro systems carb makes 556 hp and 488 torque i want to upgrade to the new 210 comp port afrs and their new titan composite intake i want hit 600hp with the upgrade and 500 Jul 13, 2015 · If you are certain about your compression ratio, probably 14 to 16 degrees initial advance would be best on 93 octane pump gas. 6 rockers Nov 18, 2018 · Re: SBC 420" and 8000 RPM Post by BrazilianZ28Camaro » Mon Nov 19, 2018 11:59 pm MELWAY wrote: ↑ Mon Nov 19, 2018 10:16 pm I turn my bracket engines 8800 with a mildon kicked out pan and a melling Std vol pump May 7, 2001 · That will give you your maximum average piston speed. it was being shifted at 8000 rpm and probably needed more with the 236cc heads, but with steel valves, stud mount rockers and 5/16 pushrods, I wouldn't go past 8000. 050 (312 advertised duration) and . 17 sq. with a flat top piston it Feb 23, 2009 · 100g of piston weight at 8000 RPM might look like this Piston Weight: 430 Grams RPM: 8000 Stroke: 3. Edelbrock’s Performer intake (PN 2104), is designed for use on 1986 and earlier 262-400 Chevys. Once you exceed the RPM a head can handle (in terms of port minimum cross-section, not flow) the head becomes a restriction and power production above that RPM will go So I am going to be converting to EFI this winter and have heard great things about the Pro Flo 4 from some of the other forums. This way pistons tops will be always free of carbon. 75" stroke is currently the most popular combo with a 4. It only really starts to take off at the rpm you are calling your limit(6000-ish). The pistons are out of the hole by . 0-inch crank pulley resulted in a more realistic 6. If you go 200 rpm to low the motor is a dog. 030 Bore, finished JE flattop pistons with dual valve reliefs Looking for recommendations on a decent head/cam/intake combination for the bore size. 25 MPH 173. Sam Ford Small Block Windsor V8. Drivetrain & Performance Sep 1, 2011 · A 3. Oct 14, 2015 · De-Stroked 8,000-rpm LS Build for Pro Touring Corvette. I had a 283 block that was bored . 56 MPH 167. A 283 is also 8000 rpm. THAT's what I'd call a radical 355!! You're describing a mild street motor there. Fire the beast up, get the water temp up to 140 degrees F, check oil pressure & rev to 3,000 RPMs- need 80 to 120 psi oil pressure. Mar 18, 2015 · Looking for input on which intake would be best for my combination. Right now, the system will be going on an older rebuilt 355 SBC with AFR 195cc Heads and a Comp 230/236@. 112 lobe separation. Not very exotic. with ported Dart Pro 1's. Aug 29, 2007 · My 4. I'd crank stupid compression in it, like 14. Mar 4, 2015 · Wondering how much hp, 355 small block. Mar 15, 2024 · The LS block design sides are longer the a sbc. Let's start with what you have, what you want to use it for, and a budget. 6 dur. 75" stroke. 550 lift, Morel lifters AFR 195 heads with roller spring upgrade 7/16" Harland sharp 1. 25 stroke with 2. 3. 68 MPH 7500 RPM 195. BMT Cam is long duration angled toward higher rpm, but ground for a broad torque curve like a road race engine. 500, /1800-5600 rpm band, AFR 195 heads, TH400 trans, and 373 rear gear. 02/1. 60 heads, flat tappet hydraulic cam, 228/234 @ 0. Dec 24, 2013 · Just bowing the carbon off the valves. As the intake port gets bigger it slows the air flow down which gives your carb a hard time in trying mixing the correct fuel to air ratio. These stronger bolts will provide peace-of-mind above 8,000 rpm and require a whopping 100 lb-ft of torque to achieve the proper bolt stretch of . The first season WAS with STOCK rod's. It was originally advertised as good for 700hp and 8000 rpm and, we're not quite at the 700hp level, but we're spinning it at over 8000 rpm and have not had any problems. 8L, spun it to 8,000, and made 607 hp. It would make a little more max Hp with the two inch headers , but the E T was the same as the 1. 75" stroke SBC (383/400) is moving at 5000 ft/min at 8,000 RPM A Honda S2000 is has the highest piston speed of any production car at peak RPM (8,800) @ 4960 ft/min By contrast a Top Fuel engine pistons run at around 5,900 ft/min! No wonder they have to change pistons and rods regularly. 995 deck. I have a 355 SBC, 11. 050 solid cam Oct 28, 2008 · I want to build a 8000 RPM motor for road racing that can run on pump gas and still make 425+hp. Which is more important HP or Torque ? Thanks as always for your help. 5's. Apr 2, 2009 · 1985 Cutlass Supreme Brougham (ex pizza delivery beater with 240,000 miles): 355 Chevy- 9. Oct 13, 2020 · Due to the expected RPM range of this engine, we opted to swap out the ARP 2000 rod bolts that come standard, for a set of high strength ARP Custom Age 625-plus rod bolts. But maybe their pushing it to the limit. I. From 3,200 rpm all the way up to 6,000 rpm, the engine never SBC steel rods 6500+ rpm but not over 8000 rpm. 050" lift. Jan 31, 2012 · The SBC 327 small journal engine was one of the "reviest" engines GM produced. 25 Stroke x 6. COMP Cams 12-688-47 4/7 Swap S/B Chevy Solid Lifter Cam, 3000-6800 RPM (1) Camshaft Type: Solid Flat Apr 7, 2009 · Body, Chassis and Mechanical. Nov 3, 2017 · Mean Piston Velocity @ 8200 RPM = 4756 FPM Max Piston Velocity @ 8200 RPM = 7466 FPM 355 4. 195 intake runners 2. 125 over to build a chevy 302 and i generously gave him the block to get him motivated. . 6 in. 020" tappet lift 278/284 @. 0+. 2. This intake basically has a 1" spacer built in. 99 /each. Update is Ls hp with 15 comp and e85. BTW, our AFR 220s flow 310 cfm thru a very well ported Dart-Wilson intake manifold and the cam is a . 48 Stroke) & a set of 5. I am running a hyd lifter cam, . Apr 27, 2010 · l78vetteman, a GM stock crank with stock rods and cast pistons, I think the 6800 number is about max, you probably have about a 560 gram + piston weight with 140 gram pin plus stock ring weight, that is pretty heavy for rpm's above 6800. 56 rears) will not be driven that often, I just want to try it just to show it can be done. May 22, 2008 · The valve train will be the limiting factor for RPM on production SBC engines. 75" stroke crank, 6" connecting rods and a cam with about 5 degrees more duration and a tight 106 LSA with 210cc heads , and a good intake on a 383 vs that 302, the resulting combo would leave the 302 looking at May 6, 2015 · Crane Cams 8,000 rpm Small-Block 347ci Ford Build and Test. 155 bore and a 3. 34 MPH 151. Jan 13, 2015 · For that reason, a single-plane intake is perfect for: Engines operating in the high-rpm range through approximately 3,500 – 8,000 rpm. Ideally closer to the old Trans-Am 302 format. 6" valves, The intake manifold is mildly ported Edelbrock Super Victor 2925, on top of that there's a Jul 7, 2022 · If your convertor flashes to 4400 rpm, I would look at that first. 2:1, mildly ported SR Torquer 2. good heads 1/4-3/8 mile tracks. Cole Apr 13, 2014 · A typical street 327 @ 85% will draw 644 CFM @ 8000 RPM. Re: 1,000 Hp SBC???? 02-04-02 04:35 PM - Post# 90712 In response to L79vette The 358 ci Pro Stock Truck engines are making over 900 hp. 720"s. That means each time the piston changes direction, a 14 lb hammer is knocking on the bearings (and subsequently the crank). Cutlass build thread here: viewtopic Oct 16, 2016 · has a peak rpm near 6700-7200 engine rpm, selecting a cam that peaks below about 6700 rpm-7000 rpm,) leaves the potential advantage of that shorter stroke the 355 sbc on the table. 56 to do it. 48" Stroke, Cast 5. The secret to this small-block screamer is the short stroke and good Mar 4, 2005 · 7000 Rpm Sbc 350/383. 9 and simultaneously changing the headers from 1 7/8" to 2", but leaving every other item in the engine the same, raised our shift point from 7500 rpm to 8000 rpm and added approximately 50 hp. With angle milling and porting 8000 to 8200, peak at 7600. 5:1 compression, Comp XE 262 cam, World S/R Torquer heads with 2. 700" lift after the Jesel rockers get done with it. Jun 22, 2018 · The blower on a 355 will be a lot less intimidating than doing the big inch small block when you consider the damage to your wallet. I have a 2,200 stall speed converter in the turbo currently. Basically the older W348 internal specs but in a smaller sbc package and have the worlds access to heads , intakes , cams etc. And yes the bare heads unported will run you a lot. Nov 30, 2006 · Aside from piston speed, what else is beneficial in a short stroke engine? Take two hypothetical engines. lbs. 0" long rod. But I don't quite think that's the main issue here, in fact there are local racer's here in Iceland that are running a nitrousd 8000+ rpm 355 CID engine in the 5. They are around 220 cc intake port. Definately do not skimp on the torque converter, spend $600+ on the converter from a good builder. Dec 9, 2024 · Alright so I have an 81 c10 swb with a 355 in it. This lifter is capable of rpm to 8000 rpm easily. The only problem is there is a very narrow window at the bottom of the rpm range. The large bore enables it to breath at high RPM. 674" suggested with 1. Piston to bore clearance & crank stroke comes into play here, but on a tipical 350 SBC I'd want no less than . 5. 200 and under size valves just use hollow stems and save some cash. 44 MPH 130. This started off as a "7000-8000 RPM SBC" discussion. Joe Dec 1, 2008 · Chevy 355 Small Block Engine Build - Cheap Skate! Using 30-Year-Old Recycled Parts, This 355 Kicks Out 467 Hp On Chump Change Jul 20, 2009 · Well, there were so many versions of an 18* headed 355-358cid based circle track motor. fwiw. 200" tappet lift. Vortec 062's 406 w/hyd. 480 lift, performer intake and Edelbrock Carb. 75 was better from 6000 up to 8000, as I recall. 051" gasket and . You like the look. It runs Oct 13, 2012 · Stall speed was 300 rpm less with the bigger heads. Runs really really well 😎 The small block Chevy is still a great option for your muscle car, hot rod, or classic truck, just follow our build lists. in. I know it has 062 Vortec Cylinder heads despite it being a 80-85 block. 700R4 with 2800 converter and 411 gears. The combination is: 355 ci small block chevy Nov 25, 2009 · It only shows it's big bore strengths with a large valve (2. As an example, try turning a big block Chevy at 8,000 rpm's with out catastrophic results in it's stock form. Speed it up to 4,000 RPM, and that force climbs to 56. Dual Quad - I was looking at a dual quad set up with two 500 cfm carbs. 480/. For a 8000 rpm 331/347 (which I curently use, well- ok, let's say 7500)- assuming you use a well balanced stroker kit (like "Eagle competition" or equivalent consisting of "goodenuff" parts) I think you can make the engine reliable by using: Feb 8, 2006 · The more cubes, the less RPM will be required. 1:1 Compression HYD Roller Cam 220/224 @ 50 528/536 Lift Aluminum 1. I want to make sure this system will support future improvements to my build. 0's @ 3500 lbs with AFR 220's. 03". 99. 8L (293 cubic inches) has a 3. Post by Fatman » Mon Sep 24, 2007 1:52 am. Some quick math definitely indicates 675+ HP. on tear down after a season of part time bracket racing and street use. 1 compression SBC 355My best guess is its about 450hp due to the low compression. On pump gas it's hard to beat 355-383ci. I dare to say i've saw any engine put up with daily blasts past 8000 rpm ( with stock rockers ) and overall torture like that thing did. 75 headers. I'll probably shift around 8000-8200 and cross the stripe around 8300. 020" 283/291 @. Everybody loves the sound of the little 302 Small Block Chevy engine's spinning 8000+ RPM's. Of course you will need a hole in your hood to acommodate the blower. The piston to wall is . My question is: Is this a good combination for street use. For a 327 it's 7385 rpm. No the limit on power was not due to being hydraulic as the engine made power right where it was suppose to. 89@102mph 1/8 mile 6-24 L-29 461 BBC 11. 20. 050" 200/197 @. alot of them were 9:1CR and some are ruled to be 12:1. 33 pounds. 630" lift with 1. 125" bore with 3. ! Aug 10, 2015 · We took an LS3 block from Summit Racing, added a 3. Yes you can build a good mid range torque engine with a tunnel ram. The motor will be fuel injected, and have a dry sump oil system. Lbs of torque @ 2250 RPM. 2 lbs smacking each bearing, twice per revolution. 60 MPH 179. It's just your average SBC running on 93 turning to 7000 RPM. 5" exhaust. Carburetor pad height is 5. 5 roller rockers, TH350 turbo with a ATI tree master converter (about 3,500 stall) and a ford 9 inch with 4. Most 383s like 195+. The engine was built to compete in the NHRA’s Comp Eliminator Bonus Fund. You get to keep the block and crank, and even at that those parts are either at risk or holding it back. 60's in 1/8 mile with cast crank, and lightweight rotating assembly. 740 . 14 pounds. Your Upward Inertia Force at TDC is 3,914. 275 Rod / Stroke Ratio = 1. Nov 20, 2012 · A bare set of Import heads from here: Assault Racing Bare SBC Small Block Chevy Aluminum Cylinder Heads Angle Plug 350 383 400 - KMJ Performance will run you $400 A converted LT1 intake, remote thermostat, injectors, and MS1 system will run you about $800 (or way less if you're a good shopper), crank trigger and EDIS coils need to be picked up Dec 5, 2014 · i was wondering what was my motors rpm limit was, its a 2 bolt main 350 with arp studs and bored . Some say 7500, some say stay at 6500, some not over 6000, and so on. 20's @3500+ lbs. Feb 9, 2008 · I agree with Procison Auto. With new heads it will likely see 7500 RPM. Do you think an . 030" Bore: SUM-17351C-30: Summit Racing Piston Ring Set, 5/64" Apr 8, 2002 · The current combo produces 195HP and 456 Ft. 030 over Scat 9000 Rotating assembly 10. Tech is talking about a roots style blower such as a 6-71 on a small block. In that case our 350 could be wound up to 6,900 RPM or so using this formula; Jan 27, 2004 · I have run a 355 SBC with cast crank, stock rods, and Wiesco Ultra-Lite pistons at . (5500 now) Optimum shift rpm went way up. Is it too big for the application and would there be a better option? Also have a Holley Strip Dominator with an RPM range from4600-7600. 1 compression, 750 DP carb,performer rpm intake, GM performance parts Bowtie phase II heads (The number number 34 style), comp magnum cam 280, 1. 6 Rocker Edelbrock Performer RPM Intake Jan 11, 2023 · The viewers made the choices for this engine! Heres the combo. For a more budget deal the JE/SRP line is a your combo is like mine i have a 565[not a tall deck], with eagle rotating assembly,and bmf 350-heads, like your dart 355,s, mine made max hp @7400rpm,but i shift it @7800-rpm . Thanks to the breathing offered by the big-bore and the top-tier induction system, the short-stroke, 340-inch motor produced peak numbers of 607 hp at 7,900 rpm and 466 lb-ft of torque at 6,200 rpm. You either need to go torque or rpm. 97 MPH 6500 RPM 169. Nov 25, 2021 · With the right racing parts the SBC can sustain 9000 RPM, but here we’re talking 20 to 30 thousand dollars right more for a Late Model Dirt engine in parts and precision machining and assembly. Never have, never will. Good port design at about the best price you will find for an aluminum head. The bigger headers were about 15 or 17 HP better at the peak, but the 1. 23 rear, aluminum hood, IROC steering box, poly bushings, Eibach springs, etc. 00" I-beam rods. it's sorta like playing that game with the paddle and the ball Body, Chassis and Mechanical. yet the part many of the guys who prefer the high rpm small block combos hate to admit is that if you used similar parts but used a 3. The Hp curve hits the max of 438 HP @ 5500 RPM. Sep 11, 2014 · Stepping up to the larger 7. And it won't be an $8000 engine either. $259. A 190 cc head as in the Chevy Vortecs would work well. 5 ex. put a rev limit box at 6800 and have some fun but you are at the max rpm's in my opinion. 30 over,king bearings, elgin prostock cam, eagle crank, stock rods, speed pro flat top pistons with coated skirts and four valve reliefs, 059 305 vortec heads, with 1:6 rocker arms, dual plane intake and edelbrock 600 cfm carb, speedmaster distributor with 65k coil Dec 10, 2006 · The big difference is the Northstar or LS1 is going to weigh a lot less, therefore requiring less power, while being more rev-conducive than a Gen I SBC, therefore costing less to build to get the same results. 5 to 14. @ . 037" total quench cold. This is COMP Cams small block Chevy solid roller camshaft for ASCS 360 sprint cars. 125" CH Wiseco Quick 8 Pistons and 8. Heads are too small for a 383 above 5500 rpm. 10@118mph 9-30-22 10. Mar 21, 2017 · 283s with mostly stock parts don't go 8, 9, 10K rpm. For 1 you can forget about driving this car on the street in any civil manner. Oct 16, 2016 · 355 SBC 224°/230° Comp Cams XE276 hydraulic roller 9:1 compression World Products Sportsman 2 heads Holley Stealth Ram intake 42 lb/hr injectors (Yes I know, oversized. 5:1 compression ratio, 64 cc double hump heads, and it will not run without severe detonation if the initial advance is more than 12 degrees with 32 degrees total advance by 2500 RPM using Mobil 93 octane. Mar 4, 2018 · Hopefully it's faster than the LT1. All Revved Up. Oct 11, 2003 · To utilize that big of a head on a 385 ci sbc, you would likely need to spin the engine to 8000 rpm assuming you had a cam that made power in that range. 11-1 Compression street/strip engine with solid roller cam and good RHS (Pro-Action)heads Going back today. 5-3 collector that expands out to my 3. Feb 5, 2002 · If I wanted to build a small block chevy that could spin up to 9000 rpm and survive, what should I base the engine off from. No sense reinventing the wheel here, it will just cost you more with little to no gain. My current low HP engine flashes to 5000, shift at 6000, falls back to 5200 and traps around 6200. Plenty of people running double that power when the build is Oct 30, 2019 · My neighbor is putting together a small block and the goal is 650+HP NA. Jan 30, 2014 · All motor? If you had all motor, 5500+ RPM stall and proper gearing to turn 8000 to 8500 RPM past the lights I would use this camshaft which works good with the GM over the counter BowTie heads (Similar to Sportsman II) and Sportsman II's 317/330 @. Feb 7, 2016 · From my research the RPM range for a tunnel ram is about 2,800 to 8,000 RPM. 08 Gear MPH 3. 3000-8000 RPM. 670"/. I have a 358 destroked 400 that gets rapped to 7800-8000 RPM and makes 600hp and 460 ft lbs with 14. Apr 17, 2013 · Used parts like his block are aways a big and need to be carefully inspected , remember all parts have a lifetime, I'd not be much scared pushing a good stock 350 block up to 8000 RPM and 500-550 HP with the correct upgrades. Just a super simple pump gas 10:3. use a big by large solid flat tappetwork those heads real nice and set a peak HP range at 7500 or so with a shift point over 8000 rpm. With No worries about a lifter and a 2800lbs s10 street truck. So for a 350 Chevy at 6,000 RPM you get; 6000 x 3. The rating in a 2 barrel is different vs a 4 barrel. Thank you YB turbo Jul 13, 2010 · We steam-cleaned our 355 small-block before it was torn down to remove all the oil residue and road grime. 015" steel shim gasket. Feb 3, 2022 · Typically, that will be some where around 4,700 FPM (feet per minute) piston speed. When I dragraced a 331 57 BelAir 35 yrs ago, we side stepped the clutch at 6500 rpm and shifted at 8500 rpm. This was using stock rods, forged pistons and z28 rod bolts. Jan 2, 2022 · I was thinking a Vic Jr would be similar carb height as the RPM Air Gap and that a little downward angle might help get under the hood. 23 rear differential 2800 RPM stall Walbro 255 fuel pump Feb 26, 2013 · ive got a 355 sbc 2bolt main chevy steel crank scat pro comp 6inch rods 11. 383 SBC, SCAT cast crank, SCAT I-beam rods, TRW lightweight forged pistons(430 gm + 140 gm pin) turned to 7600 rpm, saw 7800-8000 a couple times . 48/6=3,480 FPM If you use good quality forged components 4,000 FPM in a reliable engine is more than doable. What stall and manufacturer would you recommend? Thanks for your input Nov 7, 2010 · Rear end is an open 3:36 out of a '57 Chevy with H70 14 Pro Track bias tires. 5-1 comp . Now in 2015 Mar 31, 2009 · Our first test was with a nice streetable 355 build that consistantly hits 408hp/414tq. 56 gears Nov 29, 2008 · If I wanted to have fun with a cheap 355. 0058-. 25" stroke 307 is moving at 3250 ft/min at 6,000 rpm A 3. Drilled & tapped for rear drive. The 350 SBC and 302 Ford both share 4" bores, and can also be made to rev as high as you can spend. This is in a 3400# Street/Strip (mostly street) '51 Chevy. 494 106LS with 1. + compression driven Everyday on 93 octane. 200". The build is as follows: Edelbrock Performer RPM #60899 64cc Head 170cc runners, 2. Mar 22, 2020 · I personally drag raced a Boss 351-style Ford on a weekly basis, turning the engine 7500-8000 RPM. this is one reason that the 383 with its longer 3. Davey's heads were AFR315's that were modified by Scott Foxwell. Advance: 5 Application: 1957-1997 CHEVROLET SMALL BLOCK 262-400 Journal Size: Std SBC Brand: Erson Cams Cam Type: Solid Roller CID: 262, 267, 283, 302, 305, 307, 327, 350, Feb 16, 2013 · We run our claimer dirt track engines at stupid rpm with stock cast crank, rods and replacement cast pistons. So the maximum RELIABLE rpm for a 383 with stock parts is 6382 rpm. 5 rocker (2800-6400). Look at these numbers and Apr 4, 2010 · 355 small block M21 4spd 4:88 12 bolt spool 40yr old drag car barn find in south PHX AZ. 6 Rollers. Dec 23, 2019 · There are likely a host of 4, 5, and 6 speed transmissions you can slap behind an SBC for a lot less than $50,000 for a useless engine. And an engine with a 30-30 Duntov cam doesn't make power at that rpm either. Feb 18, 2004 · But unless you are going to be running 7500 and greater RPM, the benefits of a short stroke motor are negligable. 05 intake valves. Mar 28, 2005 · To build your engine with a peak power at 8000 RPM you want a head with a minimum port cross-section of 2. your eagle stuff should handle 8000 rpm all day long. 02 intake 1. The pistons were . had a 355 sbc with two 600 carbs and worked great Mar 26, 2003 · Read the tech article on a 355-Cubic-Inch Chevy Engine Buildup, brought to you by the experts at Chevy High Performance Magazine. Mar 25, 2019 · C1500 355 sbc with iron heads and 13. The camshaft is really not meant for a drag application, typically duration will be in the high250s to low 260s @. 26 MPH Jan 15, 2002 · FWIW, raising our compression from 11. 680"/. The RPM is around 1,500 to 6,500 RPM which is close to what I am running with my current dual plane. 750 vacuum carb. Jan 29, 2021 · Spin it to shift about 7600-7800 rpm, and out the back around 8000 rpm finish line. Should I go with the E-Street heads or step up to the Performer RPM. Mar 19, 2018 · The Morel . 10 sec. 3-1 , 2 valve relief flat top pistons. I lost a 355 ci motor just trying to maintain 6500 rpm for 90 some miles in testing for a Nevada open road race. 6/234. I was wanting something in the 20-24 inch length with a 2. 888 rod bearing and 3. Valve train was solid flat lifter and Z28 valve springs. 005" in the hole, and I ran a . Drilled and tapped for rear drive. Run 1. 7. 12:1 compression ratio The heads are out of the box RHS 235cc heads with cnc chamber's 2. 66 @ 124MPH (3400 lbs '67 El Camino) yesterday at Pinks All-Out at Martin US 131 Michigan. Stock rods & iron cranks, never blew any of that up. To get that kind of HP with aluminum heads and a 355, you will need at around 12:1 compression. Nov 30, 2009 · I recently convinced my boss to build a sbc and he said he has always wanted to build a Chevy 302 that would turn around 10,000 rpm similar to the Honda engines. Sep 11, 2014 · Edelbrock performer heads , blended bowls, ported and polished, 2. 10" or bigger) that are shrouded in a 4" bore block, and real high rpm(8000) at the end of the straight. Small Block Chevy Block: 4 Bolt Main, 1 Piece Rear Main Seal, Passenger Side Dipstick, Squared & Parrallel Decked, Align Honed Main Bearing Bore, Cylinders Are Sonic Tested For Thickness Rotating Assembly: New Cast Steel Crank w/3. Mar 19, 2016 · :thumbup:Some of you seem to think 7500 RPM is an unreachable point without exotic valve trains but its easally achievable with stock valve trains even the power pack heads (with screw in studs) of old or the original LT1 s could hit 8,000 RPM with no problem The rules were you must run stock heads and valve train but could port the heads in M Jan 29, 2013 · Mine is a 355. 48 stroke Crower ultra lite rods 6. 65@125mph 406 with home ported Dart 215 heads. There are BBC's with 4. 0060 inch. 680"-. most of the time. With a little porting and the right cam they will pull good to 7200 on a 355. Your Downward Inertia Force at BDC is 2,083. 020". A longer stroke will get you more hp becaue of more cubic inches and more torque because of the additional stroke. The heads alone(BIG) to make power at 8000 rpm will cost $3500 all by themselves, then you have to add the valvetrain. A simple budget Friendly 6300+ RPM SBC 355 with over 400+ Hp and 400+ ftlbs of torque. 70 ratio T Nov 17, 2014 · Now if your looking for maximum HP and fastest ET, these grinds below have proven their self in 327 and 355 engines leaving the line at 5500 RPM and up, and trapping no less than 8000 RPM with peak power about 8000 RPM Crane Grind 308/316 @. Lunati 60112 Hydraulic roller 231/239 . There isn't a budget head in 23 Degree SBC that is large enough for one of these SBC combinations to make power over 6500 rpm. 64 MPH 191. Dec 24, 2009 · I am in the process of freshening up a 355 ci small block and am wondering what heads to go with. 6/1, quench is . Jul 22, 2022 · Jeff Smith's 355 SBC Budget Build Parts List; Engine Short Block: Summit Racing Coated Hypereutectic Pistons, 4. $234. Nov 13, 2009 · I run a 355 Chevy with Comp Cam CS Nastalgia 30-30 + solid 247…254. A 450 SBC at 8,000 RPM . These ended up around 318-320cc. has a peak rpm near 6700-7200 engine rpm, selecting a cam that peaks below about 6700 rpm-7000 rpm,) leaves the potential advantage of that shorter stroke the 355 sbc on the table. I would try the Mar 20, 2013 · belgian 1979- WE used to drag race with a 620 HP 355 that we reved up to 88--9000 every run. It had hooker v8 vega headers and sounded awesume. By Lucas Bell Published: Mar 22, 2023 1:30 PM EDT. Parts he has already, Crower ultra light crank 3. 08"/1. Apr 26, 2009 · So you want to spin your 355 up to 8,000 do you? Or are you going to secretly add a half inch or so of stroke? A 355 will not need a head that big. Jul 27, 2003 · Most cup motors are 4. 25 stroke. 125 Rod Piston Pin Height 1. Richard Holdener Writer May 06, 2015. Then to determine the ENGINE RPM at a maximum average piston speed of 4000 FPM is: 24,000/ STROKE. Jan 14, 2013 · I want to add what I know about ultra high RPM all out race engines such as a purpose built sbc to rev to 8,000- 11,000 RPMs. 0:1 Hypereutectic Pistons, Hastings Moly Feb 3, 2016 · My neighbor is putting together a small block and the goal is 650+HP NA. Should be about 500hp. 30 MPH 162. Look at Roger Copeland's 383 SBC (383Malibu). Next would be rod bolts, and possibly ring control- but who uses factory rod bolts, or rods and pistons/rings for that matter, in a engine destined to see high RPM anyway. 034-. You could get over 1000 hp with enough cubes from a small block, say 410-430 ci. (~27. A trip to the local auto parts store scored us a couple cans of Dupli-Color DE1620 Feb 16, 2010 · Wondering if any of you are running 1 7/8" headers on your SBC. It lasted "forever". What components would you recommend for a steel Apr 12, 2010 · A 355 needs 2 things to kick a 383 or a 406's butt ,, one being alot of rpm ,, another is more gear than most people have stomach for a big block is cool ,,, but i love to hear a 355 streah out above 7500 ,, ahh ,, so nice Oct 15, 2012 · The crank is cast piece. 630" lift and 250-260 degrees duration @ . 125" stroke SBC sees 7000 RPM every shift currently. Hooker 1 3/4 long tubes 3inch collector Mar 9, 2021 · I have a 355 sbc with a Howards Rattler Cam 525/530 lift, 226. For most serious 383/385 combos, a 190-200 cc head is more than adequatesmaller on a heavy vehicle, larger on a ligher chassis. Then another individual built a 352 in SBC using a 4. This is a 1/4 mile drag application. 88 Stroke / Bore Ratio = . How to build the best 8000 rpm Ford small block I want to build a 8000 RPM motor for road racing that can run on pump gas and still make 425+hp. 9K views 36 replies 8 participants last post by Sharkbaithuhaha May 11, 2017 May 7, 2024 · After tuning and a few pulls up to 8,000 rpm, the combo posted some impressive numbers. ugfgpgs fkjzg hsetj rrxu znd dxndp nfuosxo bjf mlljb zgebbed