Blown 421 sbc I need advice on building a blown sbc! Jump to Latest 68 Camaro, E85 powered 427" small block. CNC SB Chevy 415/421 Compstar Rotating Assembly - 12. The goal is 10. 700 horsepower, 585hp at the crank small block Chevy engine build sheet. 300" deck. You can forget about those wives tales you've probably heard about blown engines not being reliable. A. Save Share A blown power valve will make it run real rich and Build plans for my car have changed a bit and was looking for some advice on head selection and valve train for a blower motor. By Engine Builder Dec 27, 2024. 700" LengthPistons: JE Custom 2618 Forged Aluminum, 18cc Dish, Coated SkirtsRings: Stainless Steel Though he’s had a number of different small block and big block Chevy engines in the car over the years, he now has a twin Whipple supercharged 572 cid big block Chevy engine, and we got the details from Dave at Drag Week. 319 sixty foot on motor. (locked out at 34 deg. Now its chopped 4 1/2 inches. 42 posts black and greasy as well as exhaust on same cylinders it looks like they are dead but wasnt missing could it be a blown head gasket idk but if so that was a good # 6. Nice that a smaller head can My current plan is a 421 sbc (4. 66@114 100 shot -10. Customer already has a set of AFR 210's with the 76 cc combustion chamber and extra hand porting done. 30 ft*lbs on a 421 SBC ? Do you have a dyno, or dyno tested those heads? That head size and area would seem kind of small on a 427 BBC to me. Holley 1050 dominator set up for race gas. Video. All the 421's I have built I have used a solid roller and have gone to the . Subscribe. 01 @ 185, 1. Starting at $32,999 . All Aluminum Fresh Jay Dickens 421. Custom Sheetmetal tunnel ram intake for single 4500. 40 in the 1/8 with 2 pistons not working and plugs do get replaced SBC 421 EFI Blown Alcohol. 811 791. 00 Blown small block Chevy" We build lots of blown gas street engines for all kinds of applications. sent them a sbc 400 that was originally a Marine engine. how much power does a supercharger add to a 350 chevy? what about a larger, 383 stroker chevy? does the boost change when we change displacement and/or the n You can really see in this video why many hot rodders love these roots blown engines. Package includes: -Procharger F1 head unit with billet impeller upgrade -polished idler system and mount -upgraded cog drive system -pulleys for 8 and 12 psi. According to all the formulas it should be making about 9 pounds of boost with the pulley combination I run. The pin height is 1" and rod to stroke ratio of 1. Roller cam, and 10-12 pounds of boost. The perfect combination of power and reliability. looking to do a new engine over the winter Blown 400 Small Block Chevy on the Dyno - 700+HP www. Check out www. I was at Bradenton for the US Nationals and saw a block get blown off the surface with no contact from Budget Blown 383ci Street SBC testRPMTQHPMax TQ: 558. Truck also sports an MSD Ignition, Electric Fuel 421 SBC. Building a supercharged engine with a traditional Roots-style GMC blower is about the quickest way to add power and draw George Santos has forgotten more about small block Chevy's than most of the "self proclaimed experts" will ever know. I am wanting to upgrade to a nicer blower and methanol injection. 40 in the 1/8 with 2 pistons not working and plugs do get replaced Carried the wheels past 60'. I’m looking to build a 414 421 sbc (3. afromaro. next I know I’m border line on bigger ci due to my 220cc Heads looking a prob lil m block , all forged scat/eagle rotating Assm , my heads are 65cc not sure what kinda compression motor will want wether a I recently did a 400" blown SBC with a 671. By Greg Jones Nov 12, 2024. I do not have an MAF sensor. 5 Id keep a cast crank, cast piston, stock rod small block @ 5500 RPMs6000 would be really pushing it in my opinion. 73's 80 Spectra 21' Mini Day cruiser Blown 454 88 IROC Camaro (sold to finance new project) I am "stuck with" my new 427 small block that should make 650 on motor plus 150-200 HP of N2O if I decide I feel like spraying it. ( No electronics and on foot brake ) Great lil motor, make right at 700 hp. I have a 177 on a small block 427. 90(90%) = 712. 00 Item location: New Smyrna Beach, Florida sits a Fresh and Healthy 421 Cubic Inch SBC Stroker, with a Kuhl 8:71 Blower making 12 psi, Dual Holley Classic 850’s, and a PTC Turbo 350 Trans. 1 KB Views: 421. FREIGHT CHARGE. Thanks for reply. He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood Mike's Fab Shop Header Sizing Information Sizing Instructions for Dragster Headers. 6-71 Weiand street blower. jpg. 875 stroke) using a Dart Little M. 73's My 70' is running a 6:71 blown 383 sbc and easily makes its mid effort 650hp with only 6 lbs of boost. DJ Reid - www. Many Options To Choose From To Fit Your Application. 05 113 Lobe. He finally had the 421 cid small block Chevy engine ready to race in the Street Eliminator class, and he told us all about it for this episode of Engine of the Week! Tags: Chevy, drag and drive, drag racing, Drag Week, Elring, Engine of the Week, NPW Companies, PennGrade Motor Oil, small block, Small Block Chevy. Was looking at fast burn aluminum heads and a compression ratio around 10. Small Block Chevy. Check it out! By Greg Jones. 165 bore-Bushed . Check it out! By The small block Chevrolet V8 (SBC) has a reputation for being the most popular engine swap of all time. Turn-Key 10-71 Blown 427 LS Crate Engine . 155 or 3. Advertised Exhaust Duration 322 Advertised Intake Duration 312 Basic Operating RPM Range 6,200-8,500 Cam Style Mechanical roller tappet Computer-Controlled Compatible No Duration at 050 inch Lift 276 int. 42 sixty breaking beams with back tire on the bottle. 92 eighth @ 116 with a 1. After 48 years and 14 blown cars I have found that boost referenced power valve to be a "loser" idea,on hard blown cars the pv is open under cruising,on small blowers the stock PV open and close I bought a used SBC 421 a few years ago and never knew the compression ratio. This is our most versatile small block Chevy engine in our arsenal as you can get it in many configurations and applications from full drag race, circle track, mud race and Timing Roots Blown SBC. Check it out! By Greg Jones Nov 5, 2024. 23* SBC #1984 Limited 235, DXP Street and MPC Real Street We just bolted on a BLP 1230 Alky Dominator on my 23° Brodix Track One 233 421 s/b Chevrolet on top of a SV2 intake we put a 4500 top on. I have been launching at 170*. 420 lobe I can get away with a 1. Here are the major components: Good friend of mine runs blown small block out here on Left coast. Went do the dyno yesterday and i am pleased with the results. Known as the tall T. Rebuilt bottom end with splayed 4-bolt caps, forged crank, pistons and h-beam rods. 00 and maybe play around in the 8. Save Share Reply Quote Like. 85@112 388 sbc- 11. *Engine-Dart Little M Block 4. Looking for the ultimate in reliability and durability on 93 octane, Hardcore Horsepower built this 612 cid big block Chevy engine with a 10-71 blower and Fast EFI to the tune of 1,000 horsepower. ‘57 Chevy with a blown 421” small block and house for some tuning. 50 class. Trending. 00: $6,995. Live. 875 stroke (421 cid)is worth the cost , potential durability or potential problems, personally Id stick to building a 406 sbc ( 4. 57@125 '72 Greenbrier Wagon: 454, 700R4, 12 bolt Even though it’s a GM LS world, the Gen 1 small block Chevy remains a popular choice for many builders. 000 H-Beam Rods, JE 2618 Forged +10. 423 Cubic Inch / SBC / "Bracket Buster" 4. Price: US $22,500. 8 KB Views: 276. ) -polished aluminum Eventually the happy place of 30 degrees of timing was found, and the blown 355 small-block Chevy belted out 602 hp at 6,400 rpm and 524 lb-ft of torque at 5,200 rpm on nine pounds of boost! Cant help but wonder if a blown 421 could get me a more stout time than what I have with better driveability? Like what I have but its never enough. Block: Smeding Heavy Duty 4 Bolt Mains, 9. This is going into a 1932 Ford. 0 forged rods and That consistency is thanks to good tuning work from Andy Starr on the 421 small block Chevy and it’s 760 horsepower at 7,300 rpm. Share. 600 lift, cut on 108 L/S. 500 hp small block chevy build sheet: We can build a 500hp small block Chevy in your choice of 2 or 4 bolt main. 4,000+ HP Twin-Turbo 572 cid SMX Engine. Jump to Latest The Build: 388ci sbc, 9. Reels. Original steel bodied 1927 Model T. This is one of the cleanest back half jobs you will ever see. Engine Specifications 465 Cubic Inch / 23° SBC High Performance Engine Small Block Chevy This small block is an awesome 23° package for the small block fan. Complete SBCs are plentiful, affordable, and reliable. No cap work, no filler, Cam recommendation help for 421 SBC. 741 ftlbs on pump gas 13. Exhaust Duration at 050 Local racer 3600lb chevelle 421 SBC AFR 220 runs 6. I've got a 750 vacuum secondary carb w/ annular boosters from a prior 350, but I think this carb is choking my combo a bit. 000 base circle cam using a Callies rotator using the compstar rods. Dart Big M Block, Crower Crankshaft, Callies Ultra I Rods, Diamond Custom Pistons, Brodix BB3 Xtra Heads, Crower Shaft Rockers, 10-71 Hi Helix Blower, Bird Catcher Learn More. Dark Mode; Light Mode; menu Log in Ok I have already a lil m dart block I'm no mechanic so I'm reaching out to you guys to get all the specs needed as this has been a hard topic to find information on, there is limited stuff on YouTube or google on building a 421 sbc. Our short blocks are in high demand among racers of all types worldwide. The parts that I have spec'd so far are a Molnar crankshaft and Molnar small journal rods. 0:1 Dome Pistons, Fully Machined, Balanced, Short Block Assembled and Blue-printed Learn More. Fired it up and it is leaking oil from between heads and block at the back side of motor on both sides. 904 lifter bores-Billet caps-O-Ringed, ARP Studs-Isky Red-Zone . SBC 421 with AFR 220 and my semi custom hyd roller for AFR For sale- complete Procharger blow thru setup. My motor was built right for boost with low compression. 35 likes, 5 comments - keithsrodsandcustoms on July 7, 2022: "A blown 421 sbc going together. Subscribe to our newsletter. That’s what Kyle Kirker of NewEra Racecraft did with his 16-year-old daughter Josie, who has had her license for about a year. 875" Stroke This is our most versatile small block Chevy engine in our arsenal as you can get it in many configurations and applications from full 700+HP 423 Cubic Inch / SBC / "Bracket Buster" / Your Economical Alternative! 612 cid Blown Big Block Chevy Engine. 75 GMC C-15 shortbed/stepside, factory 454. 6:1 c. 030-inch overbore (4. It makes 800 honest horsepower and comes with 4. Give us a call 1-800-957-7223 and let's talk about your engine combo and how we can help you get to the winners circle! Steve Schmidt, of Indy, is a professional engine builder of record setting engines for over 30 years SPENCERS SPEED SHOP. Nothing screams awesome father-daughter week like competing in Drag Week 2024 together. Felpro gaskets, check Edlebrock for p/n Personally I think 1984 Ford Mustang GT Additional Info: NO RESERVE!!!!! 1984 Mustang GT Pro Street Project w/87-93 style Cervinis stalker kit. 125" BoreCrankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3. I have constructed a deign for a crankcase ventilation system below. His heads flow like a wind tunnel. All The Power And Bling Of A Supercharged Engine With The Simplicity And Driveability That A Single Carb Package Delivers. 6 @ 4,500 rpmMax HP: 548. By Mike Magda September 04, 2012. Here's what I was thinking. She drove the Chevy Bel-Air featuring a ProCharged 400 cid small block Chevy engine, while Kyle made sure the car kept running well. it leaks heavier when I rev the motor. 811 X . (system can support 20 psi. It spins to 8000 in the eighth mile and 8400 in the quarter. Magnificent noise is the sound The motor wants to leave the car behi We have 3 blower cars that are street driven almost daily. We start with a Dart Little M Block professionally machined and blueprinted. It This is the 421 I built, Pump gas HYD roller he wanted a torque monster and SBC 421 Build, AirWolf 220 heads; cheap Hurricane single plane intake, Holly If you do not have the 421 crank, get a 434 crank instead. /322 exh. Looking for a more daily-driver-friendly street/strip engine, a customer got exactly what he asked for when he turned to BMS Racing Engines to build a 700 hp 421 Chevy engine with nitrous. Hi, I think that instead of going ls-style retro in my car, I'm seriously considering just building a sbc 400 that I have. Put together a 421 recently with cam specs almost identical with ported RHS 235 heads and had similar results. With the 6v71 I was 9. Jump to Latest Well i was on here a month or so ago asking about some cam pics for a street small block. the motor runs great I was doing some troubleshooting and did a compression check that was 235 I read the formula to determine the compression ratio and I don't really understand or have all the information. 88@123 6. This combo makes over 800 hp to the wheels on a mild 421 inch small block and is ready to bolt on and go. I’m looking for any advice on the combination of parts I should use. I already have been running a newly rebuilt 327 with steel crank, Hyper flat top pistons 9:2-1 comp, Scat H rods, Edel Performer RPM heads, MSD ignition, and am taking off the Edel performer intake and 600 Edel carb, and Comp cam I had a 871 and went to the engine dyno twice,made over 50 pulls,used nitrous with the 871 . It’s ’96-00 Chevy 4-bolt main block machined to spec with a 0. Last month, the crew at Dart machined and assembled a stout SHP short-block as the foundation for our anti-LS engine. After takling buildsheet with the engine builder the 421 would have been near the same cost as what I wanted with a 383. We install a Callies or Howards 4340 Crankshaft, JE Pistons that are connected to Manley Rods with tool steel wrist SMALL Block Chevy 250 Mini Blower 2 Lobe Package ( 23 Degree Heads ) ( usually 5-10 lbs ona 434 421 454 SB . 00 ATI SB Chevy 7-inch balancer and Pioneer Hd 168-tooth add$450. For those reasons, Gibbons Motorsports' stroker 421 cubic inch small block Chevy engine is a go-to package, and has thrived in this segment of racing. The use of OXYGENATED fuels (Example: VP113 421 dyno results. Greg Jones is Content Director and Editor of Engine Builder Magazine. I’ve read that rods and cam are a tight squeeze with this combo so Thanks for your words. give me the pros and cons of each. However, I left the engine work to a reputable engine shop near me. Hyd. I recently purchased AFR heads, 195 street port. To the builders here, any input, possible combos? 355 sbc-12. 030-inches oversize and now houses a 302 crank ground by Castillo that has been on the shelf for 10 years waiting for a project 35,000 1927 Ford Model T, Steel, Pro Street, Blown 421 SBC. 56 rear end. Torque is phenomenal @ 700 ft lbs ! I could easily turn her up and make 700 hp. Ive got a 53 Chevy 3100, 2800 lbs, 421 sbc 23 Degree Brodix Dragon Slayers, 6v71 Detroit Blower on gas with carbs. 250" Custom diamond pistons metric ring pack + coatings RFD 15 degree brodix heads (some extra porting involved) Bullet solid roller, custom spec 4/7 swap 55mm, 0. 17003 posts · Joined 2010 Add to quote; Only show this user #1 · Oct 2, 2013. Chevy 415/421. You May Also Like. Rods Do yourself a great favor and get an aftermarket block. Check it out! By He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood, and we got the details. With me being a bit younger and into the e85 era. I have one on my blown '33 Ford with a small block 355 Chevy but have never had to use it. com(704) 782-7170 434 Small Block Chevy Big Dawg Pump Gas Engine. I am wanting to get to 9. 96 @ 133 MPH, 1. '71 Z28 street strip car Pump gas All motor SBC 427 3308 lbs-29x10. Plan is for a 421 build with a Dart 400 Block (billet caps) Callies or Lunati crank, I-Beam Rods, and a The 421 seems very popular now and the 220 AFR's would be the way to go. 85-6. Home. I told him to lower compression down to less than 11:1 and give it a bit more blower. with 12 pounds of boost and get no detonation at all. ),MSD blaster coil, and a 6AL box. ironman New Member Posts: 31 Joined: Tue Jun 24, 2008 4:32 pm Location: Cam recommendation help for 421 SBC. 4. It is a pump gas engine with methanol injection for higher boost. Naturally aspirated, the big boy thumped out 565 horsepower and 489 ft/lb of torque, in the neighborhood of our 177-blown 383ci unit. I'll know approximately 15 minutes after it's running if it makes more power than the BLP BX-4 1130cfm billet 4150 carburetor we had on it last We reconvened with Jack McInnis, Tony McAfee, and Jeff Lake at Dart to finish the build and dyno test the small-block to see if we had a winner, or wishful thinking. youtube. 5 Hoosiers 77 Monte 421 Profilers ported by Eric Weingartner, Straub HR 3200 conv. The car will be lucky to be driven once a week. I originally intended them for my fairly stock 406 short block and pulled several head bolts threads, 😢. 5 1/8 mile n/a I CNC-Motorsports offers the best selection in SBC 302-350-358-377-383-400-415-434-441 short blocks. Only dynoed the 421 with the 220 runner AFR's Just bought a new sbc 421, Motown block, JE pistons, AFR heads, Fel-Pro MLS head gaskets. It's a 421 sbc with 23* heads, 13. I wanted to use my exsisting headers ect. MSD makes an excellent boost retard that is adjustable. 050 lift would not make over 750 hp. 422 CI 16 deg, Dart head, Chevrolet. I'm not sure how that compares to a small block, but I'm sure happy with it. My brother runs almost the same drivetrain combo in his 73 Built by PowerHouse Engines in Australia specifically for Burnout Comps, this angry little Supercharged Small Block Chevy is one wild tyre frying powerplant! He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood, and we got the details. 00 60' best with an unstripped 6-71@ 25% OD, hat injection-only - bird Enderle cube BV, hat nozzles 48-52, steel DART 230 heads and an MSD 7AL3. Have Mike Jones/CamKing here on ST cut you something for your combination, might be a little more than a shelf cam but worth it in the long run. com. It will be a street/strip deal with street driving being limited to the local cruise nights and car shows. 7:1 cr, edelbrock Roots Blower pushing about 4- 5lbs boost, edelbrock e-street heads, comp cam NX274H duration 230/244 @. The engine also features a Crower valvetrain, a Steve Morris camshaft, Brodix BB3 Xtra cylinder heads, and Mahle pistons. Vortech Superchargers look s like the HQ will be as good as the LC what fuel were you running i got an F3R direct drive LH for mod street blown an did you find out what the miss was with the motor on the old SBC 421 or 427. 800" StrokeRods: Smeding 5140 Forged Steel I-Beam with 3/8" Bolts, 5. automotive . 5psi boost We have a 421 SBC with 220 AFR heads and we are using a solid roller cam, When finished it should be on the dyno and we are looking for a low 600 number on the dyno!! Not so sure you want an SR cam on the street, so a BBC or a blown SBC is the way to go. Even better was how the torque was already around 580 ft-lbs Here’s the block as received from Summit Racing (#SUM-150100-30). pair of blown 421's Blown alcohol small block. Save Share On my 421 SBC (full roller valvetrain) I used straight 30W for the break-in (builder's recommendation), moved to 10W30 for 500 miles, and after that oil change it's now on full synthetic (which is essentially 0 For John's blown small-block, a large-journal 350 block was bored 0. Figured the compression ratio is what it is. Post by ironman » Tue Jun 24, 2008 4:44 pm. Chopped 4 1/2", Pro Street, custom Posies chassis, 4 link rear, air conditioning, power windows, 4 wheel disk brakes, 421 cui SBC, JE pistons, Callies crank/rods, Edelbrock aluminum heads, Comp cam, BDS 671 blower, Demon blower carbs, Rossler TH400, Coan convertor. 165" Bore - 3. and even more if done in a blown configuration. The slowest timed one has 14 degrees BTC static & 34 all in at 2500rpm & it is a sbc, the other sbc & the hemi are both timed static at When it gets to 170* i go full rich with the shut off valve, and it will slowly cool off, very slowly. Mopar Small Block Engines; Custom Cars; Turn-Key Packages. This RMRE Super Series entry level engine will propel a lightweight dragster into the 7’s run after run. 155 bore x 3. Jump to Latest 22K views 60 replies 30 participants last post by Dentonmotorsports Dec 18, 2013. John . Got lots of mixed answers and what kind of results i would get. But with «ÿÿ¨ªªªþï P‡»¤uU„{§©º. 5:1 Hollow Dome Pistons Gas Ported, Fully Machined, Balanced, Short Block Assembled 421 Pump Gas Small Block Chevy Price; Ohio Crankshaft 4340 x 3. 904 lifters because of the smaller base circle cams. Runs on pump gas (E85) and makes over 1,000 HP. Add to Wish List. 70@106 125 shot-11. 875" stroke crank Ohio Crank H6000 rods w/ARP 2000 bolts JE pistons Race rings and bearings Internally balanced - Billet caps add $700. 904" lifters Cast 2858 intake (extensive porting and sizing) 1150cfm book dominator Moroso enhanced Re: Quench on Street/Strip 421" SBC Centri Blower Motor Post by cjperformance » Thu Jan 27, 2011 9:10 am In a boosted (turbo-S/C) application, less quench 'area' or more quench 'clearance' translate into more of the chamber being exposed for heat exchange 'out' of the cyl charge near the end of the compression stroke and prior to ignition to THESE ARE THE ACTUAL DYNO SHEET NUMBERS FROM A PULL ON THE 434 PRO SPORTSMAN 18 Degree SMALL BLOCK CHEVY ENGINE. He was told alky likes lots of compression and boost. With a very mild cam I made Original steel bodied 1927 Model T. Put Small Block 421 Chevy Nitrous Engine. 60 and lots of work. Maybe they need some better glue . Kept crushing wrist pins and cracking cranks. Sbc 817 casting decked at zero Eagle 3. Priced As Shown. . 025" Deck Height, 1 Piece Seal, 4. Canted Valve Drag 421–484ci small block 850–970 race gas; Dart Iron eagle block or Brodix aluminum block; Callies magnum crank; We also build roots blown engines for street and drag applications. 9. Dave, street driven or not, I have just had a set of custom Diamond pistons made for a blown alcohol 421 sbc, and am in the process of getting a set for a Pro-charged bbc. I can upgrade down the road is short order. Super Victor intake for either a 4150 or 4500 depending on what you have, and just about any solid roller over 260@. nice! not my fault i got drafted out of college and got my head blown off Those AFR 220's seems bad A$$. Chevy 427/434. Our engines have a reputation for being VERY I am building a GEN 1 SBC small displacement engine purpose built for a roots-style blower. Is there a better head for this application? Hi mike, I am running a 2 bolt main 454, with an 871, underdriven about 8%. Here what I found If I would go over 13% I would lose power(Due to hot air) my 400 SBC With a 248-260 at . I would like to build an 8-71 Blown E-85 SBC based on a Motown block, AFR 215-227 CC Aluminum Heads, a BDS intake manifold, a Blower Shop Air to Water Intercooler, forged 8. View The 427/700HP Dyno Session Here! 427/700 HP $ 20,995. The engine will be set I am building a 421 sbc with a short block from Ohio crank. I’ve read about the 421/427 over and over again seems some prefer 421 over 427 due the stroke length next guy says just opposite . Last year the car went 7. Nothing like blower Bought a 421 sbc circle track motor. Most of what I read is old Issues of Car Craft, Chevy High Performance, and Hot Rod Magazine. 050 on the intake side and 260 on the exhaust side, . 1934 fiberglass fenders. 75:1 and 32 lbs. Moderator: Team. It's a 509 block engine. All Articles Cars Videos. I am using a TBS 6v-71 blower. The Best Horsepower Per Dollar Around! Priced From: $17,350. I am running 7. Another great day on the dyno, 421 the only difference from the last 421 is I used the AFR heads 1094-716 and I used a 1. 18 Degree Chevy style head high performance engine hot off the dyno. This part will be shipped via truck freight and additional shipping charges will apply. I'm needing around 750 horsepower to be competitive at my race track (super latemodel) circle track. Full custom built chassis, adjustable four link, coil overs. 421 sbc cam and combo help. Here you go Small Block Chevy Racing Engines fans! Introducing our "NEW" 427 cu. 875 stroke crank I did use the Callies Compstar 6. Narrowed Currie 9" rear with 488 gears. Check it out! By Re: Blown sbc, so many questions Post by miniv8 » Tue Nov 12, 2024 7:44 pm The AN fitting above the timing cover goes into the front end of the main oil channel, this channel carries oil to the cam bearings and crank bearings, and likely reaches the lifter oil channels at the back of the engine. 421 etc with long rods and long strokes I feel the 3mm and 1/8" oil ring is a great choice so we dont have to use oil ring supports but really that is not a bad thing, so SB Chevy 415/421 Stroker, Dart SHP Engine Block, Eagle 3. 25-8. 250 stroke crank, 800+HP 440 - 465 Cubic Inch / 13° Heads / SBC High Performance Engine. Save Share We run a Naturally aspirated 421 SBC in my daughter's 69 Firebird . 125 bore, 4" stroke, with 6' rods. Transmission Package; Cooling Package; Fuel Supply Package; Ultimate Package; What We Do. 030-inch), the head surfaces have been decked, the mains have been line honed, It is an all aluminum Rodeck 427 (SBC), best to look at your engines internals as an investment. The car is a 3000lb car and is mainly just street and strip. The longer stroke will The 421 combo may have problems with cam to connecting rod clearance. 8:1 compression, . 75" stroke)for what your trying to accomplish Id talk to CROWER, LUNATI and HERBERT cams Forged everythings are great if your budget can handle it - my next engine was a blown 540 with new everything and that cost about US$20,000 and made 851 hp so US$23 per horsepower. While shimming the valve springs we found two loose guides that have fell out. 875 crankshaft Ohio Crank 6. 6 rocker on the intake, Same as the previous build, SHP Block all machined, 3. 904 lifters with EZ-Roll bearing-Comp Cams camshaft-Custom JE pistons-GRP 1200 Pro almn rods-Cola billet crank Small Block Chevy 415/421 Rotating Assembly Kit, Eagle 4340 Forged Steel Crankshaft, 3. A few chips because I have been doing alot of reading lately. 63 cfm . Jump to Latest Got a 55 chevy 3500lbs with driver and cast iron heads (old motor) will need to add a 10 point cage so that adds some weight too turbo 400 4000 stall Looking to run 6. 30's footbrake cam 271/279 @. Enjoy and happy New Year’s, MARC Spencer. 95. 600" custom hyd. r. The engine is a 427 Dart small block (400 w/ 4" stroke), 210 AFR (Eliminators), 248/254 600/619 112 lsa 108 lca cam (3318/3319 CC hyd rlr lobes), and RPM Air Gap. I am wanting to build a 18 degree headed engine. This mild 509 big block Chevy pictured to the right makes 1000+ hp in race gas form. MSD 8360 billet dist. 61-4SPEED Discussion starter. 75:1 CR pistons, 5. Subscribe: https://www. 50s @ 22% overdriven. SBC 421 EFI Blown Alcohol. Why not jump on the bandwagon. There are lots of good ways to effectively run that big 6-71 on the SBC. 5 to 1. The Victor heads will work great just make sure the seals clear the retainers with your cam. We’re going to show you how to build a 422 cubic inch stroker small block that makes 700-plus horsepower that even an LS guy will respect. I checked oil pressure port, replaced valve cover gaskets, all is dry. com/KevinWilsonSBC?sub_confirmation SBC 350 and I have run just regular 10W30 without any issues at all . Save Share I was at Bradenton for the US Nationals and saw a block get blown off the surface with no contact from a car . Great Street sleeper blower to hide under the hood. Even better, the majority of the parts are off-the-shelf items. He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood, and we got the details. 25 to 10. 421 Small Block Chevy Short Block Price; Motown block Ohio Crankshaft 4340 3. I have a 355 sbc in a 255" RED. 875 Forged 4340 Steel Crankshaft, Eagle 6. The carbs are 750cfm Carters (Edelbrock) that have been massaged by a carb shop. 120. 092 jets made 952 Hp. I plan on using a Dart shp block. Stock steel crank. Wild ride! Tall deck truck block. 12. This 427 cubic inch small block has big bore technology and proven quality components to provide over 730 Hp at an amazingly affordable price. 422 cid Small Block Mopar Engine. All Auto Tools; Engine Parts; Connecting Rods; Crankshafts; Pistons; Oil Hardcore Horsepower Builds a Streetable 820HP Blown Small-Block. Ok, the plan is to make this a wild street car on 93 pump gas. Going by what Tony Mamo told me going from the 220 to 235 I would probably loose 30 FT LBS or torque but probably make around 660 horse. 7467 Views 14 Replies 11 Participants Last post by VegaEddie, Apr 2, 2014 Jump to Latest G. More motor 383 vs a 421 for almost the same cost win win. 421 X 6500 = 2736500 2736500/3456 = 791. Overview Building a high-performance 421 cubic inch small-block Chevrolet (SBC) engine that produces 700 horsepower is no small feat. Dual rate, small cam in the 460's range for lift if memory serves. If you love the look of a polished 8-71 blower and dual-quads sticking through the hood, and that Think of this more as a deceptive small block than an actual performance build upsomething that provides the look and feel of a wicked blower build, but all the drivability of a stock small block. 875 Stroke, 400 Main, Eagle 6. Whether you’re a seasoned gearhead or just starting your journey into engine building, this guide will provide you with essential tips, parts recommendations, and tuning advice to help you achieve your goal. #krchotrods #keithsrodsandcustoms #kingbearings #scatrods #darthe Little Video of our bad ass, blown, 1986 GMC. Click to expand Investing in good parts when building any engine is a good thing, but when talking hi-performance He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood, and we got the details. 0ls 150 shot 10. ¦¶x¤G¾ŒÈ-º#2£Ó£²ª:~‚ƒº™¸›V¨«Z©ª¹‡gd4¼ÃýŸþýúýÿMìù_뉵IÚiµÙÀ‘H$ ‰D ¡ k‘‘‘•#¯¼òyÙé}ÿ[ý kßÇáؾL ¿Ùìÿ˜Ÿ zõâíçË»?oßAŸvöüçŸ^õigÁj·]dè²óŸ_õ¨»óŸ^í0ih{ "¦E6¦ ©3˜ ÿ ðj‡IƒÓ;\d{ƒ‡Á‡”Aë]B— ÙÁt©_t¸7-’ƒéRŸƒq& mIlµÅ G7ýÖ¸ h Ù E85 421 sbc almost done! I’m currently building the 4l60e going into the c3 with sonnex and probuilt goodies. There are many good reasons why. I think the obvious answer is, the 700hp blown engine will likely need less valvetrain maintenance, less exotic parts, etc. It had ported Dart 235 heads, ported intake manifold, 8. I would be guessing at the duration but I remember it was a blower cam so it was a longer duration. Custom Built and Dyno Tested by Scott Shafiroff Race Engines. I bought a good second hand 427 nitrous sbc, and want to turn it into a blown motor. Save Share Jump to Latest 6K views 9 replies 4 participants last post by 19NOVA69 Jun 5, 2010 9 replies 4 I have recently ordered a new Wieand 142 supercharger for my 1968 327 Chevy that is in my custom 1949 Chevy pickup. 0's on Blown SBC 406 First start with 8-71 Blower & Enderle Mechanical Fuel Injection on Methanol. 875" Stroke. I would be happy to get 580 to 600 hp out of it with room to move in the future. I have a 421ci sbc, 200cc heads (aluminum) 535/545 lift + 1. Chevy Small Block (262-400) Lifter Type Mechanical Roller Usage Strip Advertised Duration 312 int. pennspeeedauto. with my own make (inside the blower) nitrous system and a . compared to the 600hp N/A engine. /284 exh. Custom Car Builds; Remote Tuning; 1986 GMC Squarebody Longbed with a Supercharged Blown SBC Chevy 421 Stroker. Brodix Big Brodie 421 SBC F2 (reverse) 15* Heads, BS3 Cal-Tracs, 10" ET Drag and a Kenwood in the dash Have yet to run it. BLOWN 79 Z-28 007. in the manifold. Add to Cart. About 12:1 compression. Engine of the Week is sponsored by PennGrade Motor Oil, Elring – Das Original and NPW Companies. 00 H-beam rods w/ARP 2000 bolts SRP professional dish pistons NEW 540 Blown Rotating Assembly Price; Ohio Crankshaft The Smeding Performance 572" Blown, for the guy that wants to be King Kong of the street, it is the biggest and baddest engine we produce. how much hp will nitrous, a blower or turbos add to a sbc? can power adders, like nitrous, a supercharger or turbo(s) really add serious power? check out thi 421 sbc cam and combo help. 12-point Cage, chassis and tub work done by Rich Gebhardt of Gebhardt Racing in Illinois. Soon after went back to I have a 421 SBC in a 3300 lbs car with a turbo 400 stall 5800 My heads are a mid 90's All-Pro Raised runner Spread port (not like the current All-Pro RR 245). CNC-1249-CS PART NUMBER. Parts & Accessories. Usually false tales like that start from people who have never even owned an engine like this. I drove the small block Blown Alcohol Dragster for the Santos family for about 10 years before Rick started driving so I know them pretty well,,, Engine is a 465ci Chevy small block, iron eagle block 9. ,Yes Joe I know it's a cam for girls. This part will be shipped via truck freight and Original steel bodied 1927 Model T. 1 @ 5,800 rpm. 12 posts • Page 1 of 1. 8cc Dome Pistons, 2-PC Rear Seal, Performance Rings and Bearings Included Learn More. 050 duration will put you there. Shows SB Chevy 427/434 Stroker, Dart SHP Engine Block, Eagle 4. 175" x 4. Drag Race Short Blocks - SBC: 406, 421 or 434 Sportsman Series Drag Race Short Block: $6995: Drag Race Engines Econo Series - SBC: 427/640HP Econo Series Drag Race Engine: $13150: Drag Race Engines that is one sweet small block! the really sweet part is it's just the CORRECT combo of off the shelf parts. Locate the cubic inch of your engine in the left hand column, then look across that row to the horsepower range that your engine falls into to see what size tubes should be used. 08/1. NOTE: Tests were performed with NON-OXYGENATED fuel. 1973 RS Z28: 401ci Dart Little M, Littlefield 6-71 supercharger @14lbs boost, Callies Make it a 421, no substitute for cubic inches. General engine tech -- Drag Racing to Circle Track. So far with a . He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood, and we got the Payton’s 598 cubic inch big block Chevy engine runs blown injected alcohol thanks to the help of a 14-71 high-helix blower. 0 H Beam Stroker Connecting Rods, JE 15. My 55 Chevy for sale 1955 Chevy 210 Sedan Carl. 875 stroke) 95% street/strip combo, pump gas. 875 with eagle 6 inch rods Diamond 8cc domes that should make it right at 13. 1930 Ford Model A N/A Additional Info: 1930 Ford Model A All Steel body; except; Fiberglass trunk lid, rear valance and radiator housing Chopped topChanneled Body Engine 454 Block Weiand Blower 671750 Holly CarbsSteel HeadsForged PistonsMSD Ignition Frame32 Custom builtBoxed Frame Rail Transmission400 Turbo Automatic Suspension Jaguar XJS rear axle Toby's 8/71 Blown 407ci Hydraulic Roller SBC Engine Package Video 863HP. com after you subscribe for a ton of photos and info! Thanks for the LOOK!!! ** MU S&S Automotive built (Rick Santos worlds fastest small block) 410" Small block Chevrolet nothing but the absoloute best. 427 Small Block Chevy Supercharged Engine $ 20,995. This motor is designed for street use and has a nice flat torque curve to The Unlimited Modified tractor, Blown Centless, runs four blown 526 cid Miner Brother's Racing engines, making a total of 15,000 horsepower! Skip to content Main Navigation Search for: He showed up to his first Hot Rod Drag Week with a 421 cid small block Chevy under the hood, and we got the details. Callies crank, Dyers rods, Diamond Pistons, Jesel rockers, in BB Chevy 555 10-71 Hi-Helix Blown Alcohol Engine (1500+ HP) $45,649. Check it out! By 77 Monte 421 Profilers ported by Eric Weingartner, Straub HR 3200 conv. Includes Carb & Ignition. 000 Forged Crankshaft, Eagle 6. 2 are SBC & 1 is a early hemi. Check it out! By 421 Dirt Track Special Price; DYNOED AT: 670 horsepower Options: • Quick Fuel alcohol 427 Pump Gas Small Block Chevy - Carb to Pan Price; DYNOED AT: 560 horsepower and 56 ft lbs torque: This is the blown 540 Big Block Chevy 423 Cubic Inch / SBC / "Bracket Buster" 4. 55 roller rockers, and I slapped a holley 800cfm carb on top of that, can I lean it out more by turning the air/fuel mixture screws. I am building a 421 that will have an 8-71 blower on top. 050 . The meth was not used on the Dyno. 68 cc chambers. from Jake 200-4r w/ 3. prestigemoto. He had a bunch of both. Small Block Chevy, Lunati crank and 6" rods. in. 0:1 Mahle Flat Top Pistons Mad Man Box doing a test run of a Box 871 Blown 427 SBC. Grape-Ape Discussion starter DROP-IN-READY 10-71 BLOWN 427 LS CRATE ENGINE: L427-B1-DR-C . Im not out to break any records!! It is a 4. Check it out! By Ok, 355 ci small block, running 8:1 trw turbo pistons, stock rods, Eagle forged crank. 0 H Beam Stroker Connecting Rods, JE 14. 0 rods, Mahle pistons, Same cam 238/242 on 108 Lobe sep . 5. Not Only Fulfills Your Need For Speed But Also Provides The Look And After the break-in cycles the bigger small-block pumped out an impressive 681 hp at 6,800 rpm and 610 lb-ft of torque at 5,100 rpm. It made 760hp 680 TQ all under 6500. I don't think going with a larger bore than 4. roller cam with 255 at . Calibration Engineer Lets see what I can do with a 421" SBC T-ram. The original plan was to have my current sbc 355 built to a 383. The build up is a pump gas 421 small block chevy with off the shelf cnc 227cc brodix track 1 My current plan is a 421 sbc (4. 421 cui. BLOWN 79 Z-28 021. Pontiac 867 casting 23 degree sbc heads with 2. 3 cr, in a 1700# driver included altered, 4. Requires a Short Water Pump if driving it ( only because the pulley lines up - not relevant with electric pump ) Buffco 2290 CFM Throttle Body setup for Blown or tunnel Rams 700 horsepower 421 sbc build sheet. gbubl ndkabpo pzv vesycp rwfx qrtce qgzk wwru sqbgcpx yeglp