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Stock 400 sbc head specs

72 : 1. Sealant heads and intake manifolds require a different torque than stock cast iron units. Making great power at a price that cannot be matched. The engine has been completely re manufactured. The other one just got off the dyno and making identical power! Thanks to some great products! 718hp 583ft. Page1 - Discuss Chevy High Performance, Car Engine, and Chevrolet Tech topics in the Chevy High Performance forums at Super Chevy Magazine. ) the time could vary quite a bit. Small Block Chevy V8 - SBC - Engine Specifications. However I decided to disassemble the heads to do some porting and polishing.

4) Use a torque wrench! Uneven torque causes block distortion and head warpage allowing coolant leak and power loss. Introduced in 1967, it was based on the same cylinder block design of many small block engines dating back to the original 265 C. Designed for high performance and medium duty applications, the SHP (Special High Performance) block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. Important note. 08" Intake Valve and 1. On engines using the GM 400 block, or aftermarket blocks with steam holes, use Speedmaster PCE348. Stock TBI head flows around 175cfm. Very mild cam.

- SBC Cylinder Head Info - I've compiled the following information on SBC Cylinder heads to help compare them. Dart PRO1 23° 215cc Platinum series heads are for big cubic inch, high RPM applications which favor peak power over low end flexibility. I cant seem to wrap my head around what trim specs would work for me. 051 thickness. If you did want a stock head, Vortec heads with some work done to them can perform pretty good for a stock type of build. UNLESS you drill 2 water jacket holes into each of your 350 heads, to determine where the holes are to be drilled, purchase a set of 400 ci head gaskets, align them with your stock 350 heads and mark where the additional holes are through the 400s gasket. After seeing grind specs I'd say vortecs be good choice. 4.

V8 engine is one of Chevrolet's most popular and mass-produced engines. Production for the typical small block started in 1957 and is still being used today. Displacement. Small Block and Big Block Chevrolet engines have become legendary since they were introduced over 50 years ago. The 400 CID Chevy small block engine was produced from 1970 until 1980 and was the largest displacement engine made in that platform. Serious street performance, modified oval track and bracket racing. 6L/400 CHEVY SMALL BLOCK GEN I Head Gaskets and get Free Shipping on Orders Over $99 at Summit Racing! I got a '78 chevy k10 4x4 4 speed 31" tires and 3. 94 : 1.

It was a huge improvement over the stock 400 heads. These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. It doesn't take too much to bring the motor alive. 00x3. SBC Chevy 400 Scat Stroker Cast 9000 Pro Comp Series Lightweight Crankshaft -Internal Balance -2pc Rear Seal. Project Ultimate Stroker: Squeezing 427 Inches into a Small Block Chevy If you have been keeping up with the Horsepower Monster's 427 Small Block Buildup, we've wrapped up the final video in the series with a dyno session--you can find it above. 180,000 PSI material; Mr Gasket 940G Head Bolt Kit, SBC 265-400, Set of 17 $42. The small block Chevy engine is the most common V8 engine out there to add performance upgrades to.

For the flow remember bigger is not always best. heads used on 327/350/383/400 SBC engines without steam holes is Felpro #1003. Because of this, it has become a very popular swap. I have decided to rebuild the 400 small block that came in the el camino I purchased. 125 bore x 3. I have not had a lot of vehicles with Small Block Chevy's other then 400 sbc combos. The Chevrolet small-block engine is a series of V8 automobile engines used in normal production by the Chevrolet Division of General Motors between 1955 and 2003, using the same basic engine block. 500 The 318 heads can be 124-125cc int port volume, the open chamber version is 68 cc while the closed is only a few cc smaller amazingly enough at 65-66cc.

. 500″ lift to be at least the 225cfm that a vortec head flows. Its the 059 high nickel content block. Make sure your crank will work in the block you have. 0. This cylinder head has a casting number of 3947041 and a date code of J108 signifying that this cylinder head was cast on October 10, in a year that ended in 8 (1968, 1978, 1988, etc. The Land Rover V-8 had a chronic head gasket failure problem that was traced to their use of aluminum heads on the little Buick 215 V-8 after they bought the patents from GM. choose the proper drill bit size and drill until Find CHEVROLET 6.

Best for 400+ cubic inch engines. V8 engine introduced in 1955. 45-inch mains, compression heights varied, and in 1968 Chevy started to introduce new bore and stroke combinations like the 307. The steam holes tend to get plugged up rather quickly followed by a blown head gask Performance Head Gaskets. The Edelbrock #60759 Performer Cylinder Heads are designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. Marlan gets down to business and talks about Chevy small-block V-8 engine specs and other great topics. 700. The specs I give come from stock/as cast heads from 64-71.

Here's a list of Chevy V-8 crankshaft journal sizes. 400″ lift to 195-200 to cfm with our “Undercover Porting“. Machined and assembled in the USA. Referred to as a "small-block" for its comparative size relative to the physically much larger Chevrolet big-block engines , the family spanned from I purchased a 400 sbc complete and disassembled. - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. I'm going to be building a 400+ CID Small Block with a 106 single turbo. This information has been gathered from several sources and has not been verified The 185cc series 1 heads are perfect for that budget build. 550" double springs available This head is reocmmended for Maximum Performance & Full Competition, Heads-Up & Super Classes, over 7000 rpm, 400+ ciDART PRO 1 aluminum cylinder heads for small-block V8’s deliver advanced airflow I am planning on a single turbo blowthru sbc 350.

Fits for Small Block Chevy SBC 265 267 283 302 305 307 327 350 383 400 Head Studs. Some engines just won’t go away. 7L Vortec cylinder head is the best flowing production head Chevy has made for the Gen I SBC engine to date. 46 Description. Usually swirl port TBI SBC heads are not used in high performance applications because most builders do no have a clue on the flow specs. rpm: 350 Stock Ford GT40P * Flow data for Need specs on stock sbc cam. SMALL BLOCK CHEVY,350 / 400 INVERTED DOME Click here to see matching JE Pro Seal Head Gaskets! Tech and Installation Tips: 400 Series - Stock Deck Height (9 big right angle 624 heads good low compression 350 400 head but to set every body strait small right angle triangle 462624 head for those of you who have 300 cracked 624 heads your using for boat anchors not sure if dart broke off from gm olds motors were gm dart badass motors have gotten better bottom side number 624 10 chevy off road race AD Performance DART Pro 1 230cc 23 degree Aluminum Head [11710040] - DART PRO 1 230cc Aluminum Cylinder Heads230cc runner64 or 72 cc ChamberStraight or Angle Plug1. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads.

Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. what would the compression be w/ those heads. Technical best cam for a 400 SBC. On the average 350, I like a intake runner in the 165-180cc range and I like my air flow at . These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) o How to Build a Chevy Street Stock Engine for Circle Track Racing Many people say that auto racing is a rich man’s sport, but that simply isn’t true. 94 intake and 1. This included being bored, honed, cleaned, new cam bearings, pistons, rings, rod and main bearings. Not sure what your stock specs would be but either of these would probably work well with what you have.

Pick a head less than 200cc intake that flows the best for the upper lift range of your cam. I know a lot of the stockers 350's & 400's use really big "juice" cams,specs are close to my solid cam specs often,yet they're hydraulics,Dave R. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. They are a real torque motor so check your heavier car's. Let’s face it: Stock Chevrolet 305 heads do not perform very well on a race engine. Casting # Years made Valve Size HP levels Performance Stock Intake Casting Numbers for SBC. LIMICAR Head Bolts Kit 134-3601 Compatible with Small Block Chevy SBC Chevy 265 283 302 5. I have an unmolested 72' 2bolt 400 out of my Papaw's 72' Impala out in the garage that I plan on building one day for a 73' Camaro project.

It has siamesed cylinder bores so must have steam holes in the heads to permit water circulation and these must be drilled using a head gasket for the template or you must use heads with the holes already in place. Stainless 2. Bolts that enter blind holes should be lightly oiled. That is when I noticed that even though both heads ARE for a 400 (the steam holes are there) the casting numbers are different. The 4L60E is hardly used for in non-EFI retrofit applications because a MUCH stronger 4L80E can be used with the s The 1. We now have a SAENZ model 680 flow bench which we all enjoy using. Find great deals on eBay for SBC 400 Heads in Cylinder Heads & Parts. All journal sizes are given in "STANDARD" sizes.

New RV camshaft with lifters, and double roller timing set. I want it to spool quick. 5:1 is the most comp you can run with pump gas. We would like to thank everyone that has contributed to the data provided on this site. Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 . 5:1 compression unless you have dished pistons and 10. The beauty of stock car racing is the great variety of classes available to choose from. 400/454/455.

0L 305 5. Torque Specs - Main Caps w/thread lube 1 - 5 7/16" bolts 65 ft lbs 1 & 5 3/8" bolts 35 ft lbs Early stock SBC 2 hole oil filter adaptor is needed. Marine Use: The SBC 400 engine is not a good choice for use in marine applications unless you have a closed water system. The Edelbrock #607519 Performer Cylinder Heads are designed for 302, 327, 350 and 400 cid small-block Chevy engines up to 1986. 19 intake, 1. 1006 or Felpro #1014. Plus, the small block Chevrolet is a good performer in its stock form. lbs and only turning 6800rpm to do it.

A stock 400 small block with 60 cc heads what is the compression ratio. com, the official website for Car Craft Magazine. It has 1/4"more stroke at 3. The numbers are from our in-house flow bench. Dr. The idea was to bolt a set of iron Vortec heads on a ok i have a 400 sbc standard bore with stock gm dished pistons, casting number is 3951511 and head casting number is 3973493 its a 76cc head. Standard SBC timing chain, timing cover, gear or belt drive can be used. Torque.

GENERAL MOTORS TECHNICAL INFORMATION Engine Types | General Tips. what is my compression ratio?? im putting a 67 cc brodix race rite head. It had a 400 sbc out of a '73 Pontiac wagon that I had ringed and bearinged, so it was stock dished pistons, stock bore. Actual deck height will be . 005"- . Each listen carefully, if you are using the 400 Ci block. I have done big blocks and Furd fe's but never a small block chevy. 48in.

Best Answer: A 400 had 1/8" more bore at 4. 100" long, 11/32" valve stem diameter fully balanced sbc chevy 400 rotating assembly with wiseco forged flat top pistons. Dyno results show 20 to 35 hp gains over the competition. Torque Specs and Bolt Patterns for the Most Popular Mopar Engines. They're easy to work on and are a good engine platform to make streetable power. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. Coat all threads with Permatex 3H Aviation Form-a-Gasket (follow Permatex’s directions for set-up time), then place the bolts in their proper locations. Re: 400 SBC im not 100% sure but i think the vortec heads will give you higher than 10.

Flow data based on Cylinder #1 intake and exhaust port. 5 to 1 compression Custom Type. Allied Motor Parts has over 150 years of experience of remanufacturing automotive and light truck cylinder heads. . 7 out of 5 stars 13 $49. $1295 + $55 shipping. The basic tightening procedure is to snug up fastner in stages. Guaranteed lowest price! Description.

I. Thread starter The Vortec head is what I use on my 408. Standard 1980-1985 SBC oil pan can be used. Both make good torque The 400 sbc came in alot of the impala's, station wagon's & so forth. SBC CHEVY 400 CUBIC INCH COMPLETE DART SHORT BLOCK KIT. My question is how good are the stock blocks really? I have heard a million stories good and bad, mostly bad though about their fragile(?) bottom ends. Pontiac/chevy aluminium small port /race: Stock re manufactured 400 Chevrolet engine. All the machining has been done, etc, etc.

For over 40 years Chevrolet has developed heads for all types of uses, including stock, high-performance, smog emissions and over-the-counter all-out race heads. Most truck versions of the 350 SBC had 4 bolt mains as well as some cars. 46 $ 49 . Due to the long production run, a few different versions and displacements were available. 2451-S. The BoxWrench Engine Specs Database is a community resource for mechanics of all skill levels to access a reference library of Firing Orders, Distributor Rotation Directions and Block-Cylinder Numbering as well as Torque Specs, Timing Settings and Cylinder Head Tightening Sequences among other engine specs. 10-inch rods and 2. scat rods.

5001 - 1971-76: 333881 : 350 SBC Torque specs: 14 Head bolts 65 lb. * The 4L60E and 700R4 are basically the same transmision except that 4L60E is electronically controlled while 700R4 is not. 88 int valve j head flows 215cfm . The LaserWeld™ stopper layer in Fel-Pro® Performance MLS head gaskets provides a precisely determined limit to the compression of the multiple layers at the cylinder bore, while ensuring proper sealing stress between the cylinder head and block. Throttle Body Information: A 98-99 TB has a brown spring on it and a smaller throttle cam, GM Part# 17113390. my question is what is the biggest cam and lifter combo i can put in this Torque Specs - Main Caps 1 - 5 7/16" bolts 65 ft lbs 2,3,4 outers 3/8" bolts 35 ft lbs Early stock SBC 2 hole oil filter adaptor is needed. It is currently a good running stocker,I plan to install in my 67 Nova. J's Performance Pump Gas Bruiser Idles at 1000-rpm 553 ft lbs @ 5100 rpm 640 hp @ 6800 rpm Specs: 400 inch SBC 4.

I was wondering what performance upgrades you guys suggest. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. I have been looking at ebay gt45s and some ebay t70s. Complete gasket set, and oil pump. 055", + . Mid-range to 7,000 RPM. I have a stock 400 small block out of a 77 chevy truck i want to put in my 66 c10. scat internally balanced crankshaft 6.

I've just done this with SBC's: Place head bolt washers over each bolt hole. thanks guys for all the help in advance. your 60' foot also has a lot to do with your 1/4mi. fits gm or aftermarket 400 blocks with 400 main journals. Bore x Stroke. I want to put on a set of 462 64cc heads what i'm looking for is what is the compression ratio on the motor and if i change to the 64cc does anyone know of a site that can help me out. 5 exhaust Head Gaskets The head gasket we recommend for our 23deg. The name "Vortec" can be confusing because GM used that name for their V6 and V8 truck engines as far back as 1985.

350ci. GET’M Garage twin blade carburetor BRODIX Cylinder Heads 350 / 400 STANDARD FLAT TOP These classic, race winning JE flat top pistons work with most aftermarket 23º heads. 427ci SBC designed for a twin engine Baja Boat. for now all i want to do to this engine is clean it up and get a different cam and lifters, and headers. I threw on a set of 305 TPI heads, (center bolt valve covers, canted middle intake bolts), so they were '87-'90 and I was told at the time 62cc chambers. it is basically stock with a 600 edelbrock and edelbrock aluminum intake. Blocks were made for each crank main journal size. See Don Chart.

7L 350 400 Cylinder Bolts & Washers 3. 75 11. It has all the bells and whistles and even gives us information that we didn't even ask for. Jumping even later in the 1960s, Chevy made major design changes to the block, crankshaft, and connecting rod areas, including a new large-journal crank with 2. 5001 : 74 : 1971-73: 330862 : 400 : 1. 75. This amounts to a 35 cfm improvement at . If it’s a 383 stroker, you can probably go with 200cc intake runners.

This particular head was used on SBC 350 engines produced from 1968 through 1970 which would indicate that the cast year was almost certainly 1968. Back in the May ’11 issue, we brought you the first part of our budget-built 400 small block Chevy. 5cc DISH PISTONS. Scat Crankshaft specs. A 2000-2002 TB has a blue spring on it and it has the biggest throttle cam, GM Part# 17113647. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. Stock Pontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. Without adequate airflow, the engine will never make power.

A stock fresh 400 shortblock with a Allied Motor Parts sells 71-82 Chevy SBC 400 882/997 Cylinder Head. Skip navigation Chevy Small Block 400-head upgrade-part 1 How much power can a 2 bolt main cast iron sbc block hold? FordMuscle obtains and flowbench tests just about every small block Ford cylinder head available. See Dyno Chart. I will be using a powerglide transmission and will be running small tire (29. Your crankshaft may have been cut down in size previously by a machine shop. 125 x 3. RECTANGULAR PORT - Valve size 2. Excellent upgrade or stock replacement block.

One head is a 333882 and the other is a 3998997. Perfect for 327, 350, 383 and 400 (MAY NEED STEAM HOLES FOR 400 engines) 72cc Combustion Chambers. 1. 010" taller for additional machining requirements. 5) races and stock suspensed 99TA. Torque the bolts in the Small Block Chevy Cylinder Heads: As you may already be aware, there are is a dizzying number of cylinder heads available for the Chevrolet smallblock. I have been thinking about using the SB2 heads, or a some type of splayed valve spread port head. 99 sbc 350 400hp build Page1 - Discuss Chevy High Performance, Car Engine, and Chevrolet Tech topics in the Chevy High Performance forums at Super Chevy Magazine.

If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications. 750 stroke, SCAT CRANK & SCAT RODS. carcraft. ). Our user id is: skipwhite, and our store name is whiteperformance1. times so without knowing what your car has in the rearend (gears ,suspension setup ,tires etc. it is . This short block kit is not assembled.

Block. races stock eliminator,he had some of his old cams listed,pretty long duration lobes with stock lifts,not the norm,but they get the job done,tricks the motor into thinking it has more head up there Chevrolet Big Block Cylinder Head Casting Numbers. Find Summit Racing® Cast Iron Cylinder Heads for Small Chevy SUM-152123 and get Free Shipping on Orders Over $99 at Summit Racing! Think you have to scour the local bone yards to find a decent set of GM's old double hump or fuelie cylinder head castings? Pro Action™ Small Block Chevy Cylinder Head #12326 Suggested Assembly Components Part Type Brand/Part # Description Intake Valves COMP Cams® #6018-8 2. 500. 60" exhaust valve. 600. Includes: Contact Reduction Grooves Double Spiro Locks #927-042-CS Chevy V8 Crankshaft Journal Sizes. Also 1987-'95 center bolt valve cover-type head c/n 14102191 (76cc chambers and used with some 3/4 - 1 ton truck/van applications) can also have the 3/8" exhaust valve stem.

400: 150-265: 2 Bolt Mains SBC Head Casting Numbers. 125. 73 gears I'm currently building a 400 sbc to drop in it, it will be stock bore with stock dish pistons, 062 vortec heads with steamholes drilled, and headers I was wondering what would be a good cam for this engine,I'd like a cam with a lobe at idle to, I'll be using it for towing cars and stuff every now and again and the truck hardly ever Buy Chevrolet Performance 12558060 at JEGS: Chevrolet Performance SBC Cast Iron Vortec Cylinder Head 170cc Intake Ports. Air Flow Detail #176 SBC All American Head - 210cc Runner Pro Filer Small Block Chevy All American Heads with 210cc Intake Runner, 2. 88 exhaust. 050 In/ex–Lift in/ex–centerline–description Projects Budget 400 SBC henceforth the cylinder head runners. 60: over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum The 350 C. Small block chevy head castings; Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine; 10033867: 62cc: 2.

Right now the heads, crank, and block are at the machine shop. Horsepower. This is a stock replacement 400 small block. In light of this, the 'Year' entry, as indicated by the chart below, may actually represent the year that the heads were cast, versus the year that they were actually installed on an automobile. Street performance, Sportsman racing. the 327 or 350 heads will not work. 7L 350 400 Cylinder Bolts & Washers Block Chevy Super Stock This is the Head Bolt Torque Sequence (Pattern) for the Small Blocks, Mouse Motors or what ever you might lovingly call this motor. I have also been looking at the Little Cheif head.

World’s top manufacturer of performance camshafts, lifters, valve springs, rocker arms and related valve train parts for all race and street performance engines A lot of those engines use torque-to-yield head bolts that exert extra clamping force on the gasket, but need to be replaced anytime the head comes off. Technical Articles at Greg's Engine & Machine. The Chevrolet L31 5. It was intended as a low performance, high-torque engine primarily used in Chevy's heavier passenger cars and light-duty trucks. WISECO 2618 AIRCRAFT ALLOY FORGED -12. Once they are in place, put a small amount of ARP moly lube on the tops of all washers. Cast Iron with 4-bolt Main Caps I was approached by a good friend about aquireing a 400 sbc. i dont have the money to change springs or the converter.

with a fel pro #1044 head gasket. 400″ lift. These pistons are designed to use 1/16, 1/16, 3/16 rings or 1/16, 1/16, 3mm rings, see footnote J. sbc 400 compression ratio with 64cc heads I have a sbc 400 2 bolt main out of a 1977 chevy truck the heads on it are the 882 76cc chamber. With Scats patented knife edge design, this crank will build more h #1---Head Flow Charts & Comparisons : 12/23/2019: There are enough flow numbers on our website to keep everyone busy for a while. 60 Exhaust Valves Heavy duty design, longer than stock, for use with head bolt washers. 450-. They have extra deep valve pockets and a low-friction skirt design.

When we modify 305 castings air flow on a stock head is improved from 165 cfm at . Only at www. 02: 1. You wont make 450 hp from the production head,they wont support it,but 425-430 is do-able Installing Jeg's Aluminum Heads on my Dad's small block 400. The people at COMP Cams®, along with a lot of top engine builders, have spent many years improving these and other Chevrolet powerplants. 05 Intake/1. Please don't use a stock head, you can port and polish them all day and they still flow quite a bit less than aftermarket. 400 .

My question is turbo size. 3) Head bolts that enter the water jacket of the engine should have sealer applied to the threads. 125 bore, standard bore. These cylinder heads include your choice of 64cc (In order to retain stock compression ratio on 1970 and earlier small-blocks) DART PRO1 SBC 215cc ALUMINUM HEADS. ft. Chevy Small-Block V-8. Chevrolet Factory Cam Specs by part number Part # Lifter type–duration at . flw file now with a 400ci SBC that 210cc intake runner will work just fine as you have 50 more cubes to pull air down that runner.

Due to the lack of availability of true Hemi engines for all but those with deep pockets, until recently the engines of choice for hot rod restorations and go fast projects for Mopar enthusiasts have been the 318 and the 360, both of which are based upon the same block. stock 400 sbc head specs

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