Best heads for 400 sbc 030" 400 with zero deck, Fel-Pro 1003 head gasket, -12cc pistons, 70cc Pro-Filer 210 heads, Weiand 8150 intake manifold, 850 carb, 14" x 4" air filter assembly, 1 3/4" long-tube headers and a custom-ground roller hydraulic cam makes 534 hp @6000 and 521 ft/lbs @5000 on my Dyno-Sim. Use Permatex 80631 style sealant on the threads. 300. The best iron head made by GM is the bowtie vortec. 25" exhaust Those are the basics. JEGS Small Block Chevy Intake Manifold. Final Thoughts. The 400 small block engine, while less common than the 350, was used in several Chevrolet vehicles, such as: Chevrolet Caprice (1970-1976): The 400 small block was available as an option in the full-size Caprice, which was the luxury version of the Impala. 3:1 CR , and steel connecting rods. 200. Jun 7, 2021 · And so, the Edelbrock 5089 Cylinder Head makes our list for the 7 best aluminum heads for small block Chevy due to its strong, durable, and temperature resistant build and easy installation. 470 lift, 224 duration, full length headers, running a performer intake which id still run for the vortec style heads, customized Mar 20, 2019 · As the title asks, whos head for an aluminum 23-degree non offset intake valve, 400 plus cubic inches sbc and 400 to 500 horse nitrous? Thanks for your opinion and any info. 10. 02/1. for instance, I know of a 340 cfm peak head that made 670hp, but when you calculate area under the curve there are heads that flow 325 peak but in terms of area under the curve to . 31% selected Racing Head Service 11011, 18. But the 461X and the 292 would except more porting, and except larger springs where the 492 would get into the water jackets. Torque to 50-65-80 ft. That said, the SBC 400 had a gross horsepower rating of 265 horsepower and a net rating of 150 horsepower. Improved cooling on any SBC including the 400 SBC by moving the heater hose location from the front of intake to then back water outlet on either side of the distributor. just my cents Cylinder Heads, Aluminum, 195cc Intake Runner, Straight Plug, 2. Top 5 Best SBC Cast Iron Heads Reviews [New Update] 1. 02'' Intake / 1. Requiring a 400 head gasket, the gasket provides a useable template to scribe out the steam holes to properly drill into the head, without ruining the deck surface and weakening the heads infrastructure. Chevy Firing Orders. Oct 28, 2018 · Choosing heads on a 400, when in doubt go big. In the intake area, the 400 came with a stock cast GM 4bbl intake with an EGR valve blocked off, I have available a Weiand 8004 quadrajet intake and an Edelbrock If there is one category of small-block heads that is best suited to performance street small-block Chevy engines, it is the heads in the 180 to 199-cc intake port volume zip code. The standard small-block intake manifold uncovers the Vortec bolt pattern in the head that will spew oil if the holes are Nov 8, 2005 · im wondering what i kind of gains and compression i could get out of running a set of 350 vortec heads on my sbc400. Jan 2, 2013 · Maybe you glanced over my response but you should seriously think about an LSX style motor. Our largest and most powerful 60/40 head for the small This was measured from the drive wheels. Mar 14, 2007 · The 882 head is a 75-later head-----NOT GOOD. Just a shade better then the 461X. Motown block, forged Ohio crankshaft, 6" Manley rods, forged Ross pistons. I also have an 800 cfm carb laying around. Nov 17, 2011 · In case you missed the story, the best power numbers were gained with a set of GM Performance Parts Vortec heads supplied by Scoggin-Dickey, and even then the 400 small block Chevy managed only Find CHEVROLET 6. Run big heads, 200 cc or larger, with 1. 10s with a Without a doubt, it is the best iron GEN I small-block production cylinder head Chevrolet has ever produced. If the copper ring or flattened ring gasket would seal as well (no power adders; 11-1) I'd rather use it if it didn't indent the heads. $1500 LSX vs. 60'' Exhaust Valves 3/8'' Rocker Arm Studs. ( 062 vortecs). I posted the following in that thread: I'm not an engine guy but it's time for my 400 story. 2% of users selected DNA Motoring CYLH-SBC-350, 16. 18:1, dynamic compression Jun 1, 2012 · In addition to the stock 1973, 400 SBC heads, I have a set of rebuilt heads (333882) that have been completely rebuilt and have screw in studs. same with compressionbut one must compromise with compresssioni would highly recommend balancing the motor,figuring out gear ratio,weight of the vehicle and cruise rpms. Aug 1, 2012 · Alright guys what in your opinion is the best SBC head in the market straight out of the box. 155” bore, 17cc dish SRP piston, 62cc combustion chamber, 10. Ran my 400 for 10 years as pulled. I want to go fast, natural aspirated, and don't really car about gas, since it won't be driven too often, plus i am saving the 350. Mar 24, 2014 · The best head from GM that was installed on a small block is the vortec. Sep 6, 2021 · The best way to improve power on your small block Chevy would be to not attempt to save those existing heads. Head bolts such as 50542171 and washers 50542102 are recommended. A pair of these heads are perhaps among the most affordable heads that can push a small-block well into the 400 hp zone. Mar 31, 2014 · The stock smogger heads had poor cooling. Given this, we decided to construct a 383ci small-block for our test. If your budget is tight, I’d suggest a set of affordable iron Aug 4, 2016 · Taking these steps to prep a set of cylinder heads can drastically improve the cooling properties of these pieces. Now, let’s go and check other cylinder heads on this list. 656. 75-inch stroke crank in a 0. The SBC 400 is the only small block engine in the Chevrolet V8 line. using peak flow gives does not tell you anything about the area under the curve. the head that flows 340 is less Mar 4, 2024 · Assuming your 350 Chevy find is the standard two bolt main block and in rebuildable condition where you’ll reuse the crankshaft and connecting rods, a basic piston and ring package, performance camshaft, and a budget set of cylinder heads will make for a nice reliable small block Chevy that you can grow into with better heads, cam, induction Oct 12, 2022 · The 70 conv has a . May 1, 2011 · Assembling the 400 Small Block. 030-over 350 block. heads are where all your power and torque is. Heads are not drilled for steam holes that are required on SBC 400 engines. After rebuild, incl mild cam, started getting antifreeze in no. The best old head out of the box is the 492. Static compression ratio is 10. 94 / 1. Oct 13, 2020 · I've verified my rods are stock 400, 5. Rpm Find CHEVROLET Chevy small block Gen I Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! 165cc Intake Runner, Chevy, 302, 327, 350, 400 Jan 8, 2004 · 041 heads Old Fireball II cam Professional Products Crosswinds Intake Holley 650 Spreadbore Vac Sec. Not sure why this works, but it does. May 2, 2015 · What P-N-B is referring to, is actually a 377 CID engine, a high RPM bullet. Assuming your 350 small block Chevy is using flat top pistons with valve reliefs, a cylinder head with a smaller 64cc chamber will immediately help by adding compression. 6L/400 Chevy small block Gen I Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Summit Racing SpeedCard - learn how to get 10% back up to $100 Vehicle/Engine Search Vehicle/Engine Search Make/Model Search May 21, 2008 · I have a 400 small block chev that I am running 458642 heads on ( 350 heads drilled for 400 ). Use a 400 head gasket as a template to mark the heads and Drill the 3 holes on the intake side at a 40 degree angle towards the exhaust side of the head. Not a rocket from a dead stop, but runs super great (no tach) and is great to drive on the Interstate. Want to make sure it still makes good torque at lower rpm. Buying from a reputable seller or having them refurbished can ensure reliability and performance. they have been shaved . Sep 3, 2022 · The Edelbrock #60989 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 SB Chevy engines with Vortec-style manifolds. Typically, a high-performance set of cylinder heads can cost between $1,000 to $2,500 or more. x CR as possible without risking leaks. compression, etc. $5000 for a 400 SBC rebuild and 20+ vs. May 14, 2023 · Chevy 400 Small Block. Dec 22, 2014 · A +0. This product boasts an impressive 2. The head is new and the block has been zero decked. 8-10 MPG. Here at Speedway Motors, we don’t carry cheap World 400 Chevy Heads, we offer a selection of World 400 Chevy Aluminum Heads that meet our standards of quality and affordability. This is probably the best cylinder head casting that Chevrolet has ever produced for a production small block Chevy. Has a 280H magnum camshaft Mar 29, 2021 · Learn how to choose and drill cylinder heads for a small block Chevy 400 engine. Sized to nestle into the 350 to 383 to 406-ci small-block displacement range, these heads are intended to produce a street-friendly broad RPM power band. 73 12bolt posi. Events. If you wanted to stick with a conventional SBC head, the AFR 195 is a nice match for the 400+ inch street motor. 030, ported, polished yada yada yada. 160 port cross section [small port BUT BIG flow ] The Chev head 220cc has a 2. 575" Max Lift Steel Retainers The price difference isn't but maybe $100 See full list on chevydiy. May 9, 2017 · I just picked up a 377" sbc short block for my 57. It runs mid 13 second quarters with a best ever of 13. Aug 17, 2015 · I have a 400 small block that currently has stock cylinder heads, which aren't that great. . You can get an entire pull out for under $1000 and with just a cam swap you're at 400 flywheel HP. Drill the 3 remaining holes straight down towards the top of the head. 500in lift flat tappet cam, early Z28/LT1 intake and Q-jet, headers, M22W Muncie and 2. We’re exactly what you’ve been looking for, a World Products 400 Chevy Small Block Cylinder Heads supply backed by a dedicated staff of experienced Racers and Feb 6, 2008 · I have an iron Motown 400 SBC with AFR heads. It debuted in 1970 and went into production for ten years. New and aftermarket are better. That’s because they are the closest thing you can get to 18° cylinder head performance in a 23° design. May 26, 2023 · Are used SBC heads worth buying? A: Used SBC heads can be a great option if inspected thoroughly for cracks, warping, or excessive wear. I like the idea of the wire ring gaskets, but wonder if it's necessary. 75 stroke deal. 5 dished stock pistons. The casting quality is as good as the best aftermarket iron heads, and its flow capability on a valve-size-for-size basis more than matches the Phase 6 aluminum Bowtie heads. I also have a pair of new head gaskets. What's your Dec 7, 2002 · These large-port heads are best matched with larger-displacement small-blocks like 383ci, 406ci, or 415ci engines that can really move some air. With 14 Dart 400 Chevy Small Block Cylinder Heads for sale, and options to fit your needs including custom and direct fit Cylinder Heads for your vehicle. Not I heard it from a friend who heard it from his cousin who heard it from his sisters boyfriends brothers mother. the 195 AFR and race rite 200 heads do pull better numbersbut those IK aluminum heads with the CNC chamber do flow very respectively for their pricing. I also would like you to have experance with that head. 53 out of 5 stars ( 59 ) 180cc Street Head Flow Chart . It will still be a 90% street car. Topping that, the word soon spread that you could purchase these heads, complete for around $500 per pair, straight from Chevrolet. Not the best heads money can buy. com FREE DELIVERY possible on eligible purchases Jan 28, 2021 · BEST HEADS FOR A SBC 400 There was interesting topic drift that gave a good variety of 400 stories. My plan is to clean and check of course, then run the same rods (resized as needed) and pistons, turn the crank, and hone the block. I figured I may aswell get better cylinder heads. Streetrod. The Ford Windsor AFR head 200cc has a 2. I don't know how much you may be familiar with SB heads, BUUUUUUUUUUUT, 74 was the LAST year for "good" production SB heads. add take-off center-bolt covers from ebay or your local junkyard and you're set. Never raced. I have been running them for a few good summers now and would like to trade them out for a real set of performance aluminum heads. May 1, 2023 · A quick test of eight pairs of small block Chevy heads priced at less than $1,000 to find the best small block Chevy heads on a budget. Furthermore, it features a great 64CC combustion chamber and wide valves for increased airflow. The 400 small block and the 402 big block share the same bore and stroke. 400 best flowing head for use with conventional rocker arms. 02% selected DNA Motoring LEPOW-038. Valves, Chevy, Small Block, Pair Part Number: MLL-H8002K 4. 88% selected Edelbrock 5089 Cylinder Head and 7. Oct 22, 2005 · C3 Tech/Performance - Best heads for 400ci sb? - Looking to completely rebuild a 400 small block. Small block heads are small compared to the big block heads. The use of a 1004 fel-pro left a minor indentation in the head after removal. (Image/Summit Racing) 43. 020/1. This is a pump gas engine that is very streetable, it idles at 1000 rpm and runs on good old CA 91 octane, and with our HYD roller springs package it will turn 7200 rpm with out any valve float with std travel hyd rollers 553 ft lbs @ 5100 rpm 640 hp @ 6800 rpm Specs: Feb 2, 2023 · Ive had many people over the years rave about the results they get building a 400-406 SBC, and many of the same people would not consider building a 396-402 BBC , thats damn near always a bad decision in my opinion as the 396-402 BBC, if properly built with the correct matching components ,has a stronger factory or aftermarket block, a stronger rotating assembly and much better flowing heads Sep 23, 2008 · Just after some recommendations for a cam to achieve around 500HP or an 11 sec quarter in my standard weight 67 Chevelle (street/Strip): I was initially thinking of running this comp solid: XS274S but now thinking hyd roller My engine specs are: 400SBC, 4. Jan 26, 2007 · 1977 400 sbc stock guts from a 3/4 ton Surburban 1977 400 turbo tranny Edelbrock performer duel plane intake (I know I would need to change) Holley 600 or 650 vacume secondary ( I also have the carb on the motor it came with but dont know what it is yet) Jul 28, 2014 · Suggestions for 400 SBC Heads Engine & Drivetrain. 75 compression with 64cc heads. What I'm looking for is a 400/400 383 engine that makes its power down low and up through the RPM range to about 5500 tops. Vortec heads are fine, it's the swirl port heads, that externally look like Vortecs, you want to avoid; those have very limited RPM capability (although on the nephews 355, they rev to 6K easily). About 4 or 5 CFM. 600 in. my tow rig is a 72 gmc,with a 350 400turbo and 4. 59% selected Replacement for Chevy Small Block SBC 200Cc, 14. It's a pricey swap with the intake, rocker covers, rockers and all, but it makes for a very nice street friendly package. torque on the bottom. 000 x 3. Features. Id say they are probably one of the best ways to get into good performing aluminum heads on a budget. Oct 29, 2018 · It is a small block 400 with stock 400 heads, stock low compression pistons, performer intake, Holley spreadbore carburetor, thumper cam, and cheap headers. Dec 9, 2021 · C3 Tech/Performance - Thinnest head gasket to safely use on undecked sbc 400 block? - Stock short block, 22. 700 the 325cfm head has 20 more cfm under the curve. The 383 is a stroker version of a 350, using a 400ci small-block, 3. its got 4 valve relief flat tops, comp 270 cam . 64 cc Aluminum heads, looking to get as high into the 9. With options like Flotek Jun 13, 2001 · I need some help concerning head gaskets for a small block 400 with aluminum heads. they make alot of torque. There are many different types of gaskets out there. Mine are not drilled. with the right cam, ideally a roller if you have the $$$, they'll make more Jan 1, 2025 · In our opinion, the JEGS Small Block Chevy Intake Manifold is the best quality tool you can get within your budget. , with 75 ft. It's a 4. standard intake on the Bow Tie heads. 180 port cross section [Larger port big flow but slower flow ] May 9, 2025 · The SBC Small Block Chevy 350 400 Aluminum Bare Cylinder Head Angle Plug 205cc intake 64cc chamber is a high-quality cylinder head designed for small block Chevys. 1. Jun 5, 2020 · Summit’s version of the Chevy Vortec head sports 1. Or Promaxx 200 Series Aluminum Cylinder Heads Small Block Chevy As-Cast 200cc Intake Ports 64cc Combustion Chambers 2. Beginning in 75, Chevy started cutting corners on the SB heads, and by 77 they were basically junk. The engine is a 4. I don't like to drive like a nut but I'd love to feel that kind of Item #: WPM-S-274-SH WHITE PERFORMANCE AND MACHINESMALL BLOCK CHEVROLET ALUMINUM HEADS64cc Chamber, 200cc runnerFULLY ASSEMBLED - STRAIGHT PLUG*WITH STEAM HOLES FOR THE OEM 400 BLOCK*FOR MECHANICAL FLAT TAPPETT OR HYDRAULIC ROLLER CAMThese heads feature- Hardened Seats- Bronze Valve Guides- High Grade Aluminum- Multi-Angle Seat Design- Available Complete or Bare- Available fully CNC Machined Jul 8, 2021 · Buy Auto Dynasty Aluminum Bare Cylinder Head Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Chamber, Pack of 2: Cylinder Heads - Amazon. Choosing the Best Budget SBC Heads doesn’t have to be overwhelming. Find CHEVROLET 6. The flat tops were matched to these rods. How-To still making more than 400 hp. 160 Bore, 4Bolt, splayed steel main Mar 20, 2010 · To use the Small Block Chevy 350 head on a 400 block, it will be necessary to drill six 1/8 inch holes in the cylinder heads. Stock heads will outflow the $2000 heads required on the 400 to make 400-500 HP. then u can decide on a camshaft. 600 valve setup, with a 205cc intake and a 64cc chamber. Dec 16, 2005 · These are great bang for the buck. Mar 6, 2004 · if it was me ide put a 400 small block in it. com May 20, 2011 · :bowtier: Hey fellow, All the guys that say AFR are the best heads are dead right!!! There is a few other good sbc aluminum heads out there, but by far AFR are the best!! They are reasonaly priced, and ready to put on and go! On your 406 the 195's with 75cc chambers, CnC ported, would be the way to go! May 9, 2025 · The cost of the best cylinder heads for a 400 Small Block Chevy engine can vary depending on the brand, material, and features. 6 rockers and a civil street cam and you will love it. Borla headers and 2. History of the SBC 400 Debuted in 1970. -lbs. We carry options from top brands like Dart. for what you're looking for the vortec heads are the right choice - if you get the kits from scoggins you're looking at around 1200 for the whole kit - heads, gaskets, rockers, intake. See recommendations for iron and aluminum heads, port volume, compression ratio, and steam hole depth. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. Recommend head gasket for 4” bore engines is the Fel-Pro 1003 style gasket. lbs. 030 over 400, flat tops, 1972 gently massaged Chevy 400 heads (76cc chambers), . I want the opinion made without considering cam. The Super 23 230 heads work best on 400 Trust Speedway Motors for best in class Cylinder Heads for Dart 400 Chevy Small Block - delivered quickly, efficiently and without any hassles. Now here is the scoop. Virtually overnight, a new subculture of budget small-block Chevy engines was created. 1 cylinder. Jun 14, 2007 · The 400 responds very very well to the Vortec / E-tech heads. 400 sb bored 20 over, ballanced Jun 30, 2005 · A 180-200cc head would be a better match for your 400 but for a budget head the 165-170cc "SR type heads are going to be less money than any of the 200cc Performance type heads & will be quite a bit better than the best of the old heads factory heads unless you happen to have a set of Bow-Ties laying Mar 26, 2020 · Ideally AFR 195cc competition or prefer AFR 210 competition heads for street usage Chevy 23 deg heads flow poorly compared to most other engine brands . 6L/400 Trick Flow® Super 23® 230 Cylinder Heads for Small Block Chevrolet and get Trick Flow Makes Serious Horsepower! Trick Flow’s Super 23 230 cylinder heads represent the best value in small block Chevy racing technology. 50-inch valves, a 67cc chamber, and a 175cc intake port. I already have an edelbrock performer intake manifold that came with the engine when I got it. Highlighted Features: Enhance engine horsepower and performance Apr 6, 2011 · Here is a Dyno test on a customers 400 inch SBC with AIRWOLF 220 econo heads. mao pxr ouweu tyyc xyuqnaj bcynflq gmrbnyf bvx dkgjn cdrpjj
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