Chevy Head Identification - Chevy Big Block Cylinder Head Codes.

The 261 has a raised set of "captain's bars" (casting marks) in the block just forward of the starter. I have never seen these markings before and was curious to see if anyone can identify these heads for me: Thank You Very Much. Typically, this question is asked after someone locates a set of heads at a swap meet and would like to know if they’re worth anything. oldbogie said: The correct casting number is 376450. 7 GM heads that bolt on with a 12-bolt pattern. The Chevy small/big-block casting number is located at the back ledge of the block behind the driver-side cylinder head, next to …. This head offers a dramatic horsepower increase over the previous 23° cylinder head. That is when I noticed that even though both heads ARE for a 400 (the steam holes are there) the casting numbers are different. 1964 Malibu SS Unrestored 36,000 Mile Survivor ~ SOLD. 50" valves, centerbolt valve covers, good 305 or light performance 350 street head especially if ported, 1988-on have raised D-shaped exhaust port, 3/8" screw-in studs and guideplates. Big-Block Chevy Cylinder Head Casting Numbers. Come join the discussion about restorations, builds, performance, …. I pulled the other side and the no. The original Fuelie head was #3782461, commonly known as the 461 head. All have a 4" bore I don't see why those heads wouldn't work. Chevrolet Big Block Casting Number Location. Find many great new & used options and get the best deals for SBC 350 Vortec Heads Casting 12558062 GM at the best online prices at eBay! Free shipping for many products!. In 1966 it had four bolt mains, but switched two-bolts from 1967-on. This engine is not my final but I want to fix it right so I can sell it honestly. Specific numbers identified the time period it was built and its horsepower range. Bolt on from 30 to 70 additional H. You'll get about 25 hp on a typical 8:1 350 from the CR increase which will bump to about 9. My other option is a Chevrolet 305 style head with a 65cc combustion chamber. This video shows you how to identify camel hump heads. 00 (Stroke) 113 (Cyl Head Volume) 4. For the month, A=Jan, B=Feb and so on. The L31 heads from the late-model 350 Vortec engine, introduced early in 1995, is the other type of cylinder head you need to look for on the used market. The intake manifold bolts on with an 8-bolt pattern, unlike most other 5. The 290 heads are 1969-70 396/402/427/454 oval port closed chambered heads. Some pistons have scuffing on the sides so I believe I should change them but to what. 10239906 casting has one large single hump. Early model Vortec cylinder heads use two different castings to comprise the primary part …. The iconic three-year run of arguably the most recognizable body style of all time continues to resonate with. It's only about 175 cfm on the intake side. Casting identifier on the end of head is a laid down rectangle with a upward triangle peak on the center top surface of rectangle. My engine builders software also says they are 305 heads and can be either 55 or 65cc. NEW CNC Ported LS1/LS6 Cylinder Heads. The cylinder head numbers for a 327 should be either 3782461, 3782461X, 3782461X, or 3890462. 487 and 487 x were good high flowing heads at the time. This also shows the original shape, and how it needs to be altered to m. Head/Block Material: Cast Iron: Bore & Stroke: 4. Chevy small-block engine head casting numbers identify the model year, horsepower range, valve and chamber size and the size of the intake and exhaust ports. Block & Cylinder Head Casting Numbers | Where To Find & How To | Chevrolet Small-BlockThis video should not be considered a ‘how to’ instructional video. Head Casting Numbers No difference, however the threaded hole for temperature sending unit would be plugged on the right side. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. It features high-flow intake runners, high-efficiency 55cc combustion chambers, and D …. "Main Caps" is the number of bolts holding the cap. I bought a 48 chevy with a 216ci 6cyl engine. We provide more detailed information on the full list of available LS engines, including cylinder head casting codes, VIN codes, displacement, and more in our giant Gen III/Gen IV LS Engine ID Guide chart. 250-inch finished bores to support 427- and 454-cubic-inch engines, while the “0540” block has larger-diameter 4. Mar 27, 2016 · They are Fuelie heads. 1951 3100 Chevrolet 1951 Chevrolet Suburban Carryall Image [drive. head casting code head date code engine serial number (engine ID) Thanks, Tim. But the same suffix code is also used for a '68 307 and a '69 350 SBC, possibly others as well. CAST-IRON VORTEC CYLINDER HEAD ASSEMBLY. I found tonight that I appear to have some powerpack 283 heads on it as well lol. Jan 30, 2008 · The third pair is off a 350, casting number 3998991. World uses two dating systems, the first is two numbers separated by an "X," with the numbers representing the last two digits of the casting year. The Easiest Way to Bolt On 30-70HP! Continuosly improved since it's 1987 introduction, the Sportsman II is still the industry's most popular cast iron high performance head. If you have flat top pistons, you would want the 187 heads providing you have the intake, because it would raise your compression to about 9 to 1. tclederman #125505 08/17/08 09:11 AM. 05-17-02 04:14 AM - Post# 105670. An aluminum head casting – distinguished by Chevy Bowtie logos at each end – and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable …. The selection list is basically rather thin for today’s performance engines. Identificar cabezas motores chevy. Three years ago, I installed a pair of 1995 #10238181 L35-W heads on the engine my 1991 S10 Blazer LB4-Z engine. YOU WILL NEED TO LET US KNOW IF YOU …. 7L Vortec engine is to examine the cylinder heads. The same casting # was used for 71-84 454, but I think the date makes it an early 71. I'm sure you already knew that. This indicates that the head was manufactured by GM. There are casting numbers on the back of the block left side that identify. The heads (3795896) are off of a 283 made from …. The best way to identify your engine is to check the casting numbers. Some might say to run 305 heads instead, but the vintage look of the old-style 520 castings along with the small high-velocity ports and 1. A cam change did wonders for both engines, the cams were all done around 4,000 to 4,500. Terrible choice of head, right up there with the all-time worst SBC head ever made , came off of a tiny 267 cube smogger SBC from a really low performance engine. The compression ratio increase won't offset the low flow. ID CID Liter Year VIN/Cylinder Application Block Crank Head; 1: 283 4. The 462's fit late 66 327 and early 67 327, 302 and 350, 275 - 350 hp. The 12556140 casting came as a stock head in my 1998 vortec 4. It is essentially the flex-fuel version of the LM7. Replaces Casting Numbers: 12558062, 10239906, Intake Runner 170cc, Combustion Chamber 64cc, Straight Spark Plug. 409 Block Casting Numbers 1961 3795623* *There are many questions surrounding the 61 casting numbers. 434 is nothing worth spending …. As far as performance is concerned, the 882s sit somewhat on the. 1275 heads have their heater tap at an …. Choose Group to View Cylinder Head Codes. Your head casting 462624 is Chevy part number 464045 and were replacment heads from Chev. I've searched around the internet and I'm comin up bust. However, the smaller 10-bolt unfairly gained the reputation as a weak and inadequate rear end for high-performance applications. I found a set of heads and I was wondering if there even worth cleaning up. General Application / Compatibility. There’s only one other LT1 block casting numbered #10168588 for the smaller bore (3. The “0538” version comes with 4. All the info you need can then be obtained from running it. Can anyone tell me what the flow numbers are on these ?. For instance, 10065203 corresponds to a 1987-1995 cast iron cylinder head designed for a 350 engine with center bolt valve covers. Bare Casting CHEVROLET SMALL BLOCK, World Products 043600 – Cylinder Head Cast Iron Chevy Small Block S/R 170cc 76cc 23Degree 1. The specific identification method is used for inventories of large items, like equipment, to determine the cost of goods sold. The LSA heads also used a stronger rotocast A356-T6 alloy. Get the last 3 digits of the casting number and post them up for us, it'll tell alot about the head. Stock head bolts get torqued to 70 ft-lbs in three steps of 40, 55, and 70 ft-lbs. 0 GM Chevy LS Lower Main Bolt Kit eq 12560273 12560272 1255612. 3993820= 1971, oval port, open chamber,113cc chamber, 402ci. These Head are designed with extra-thick decks and walls. Manufacturer: GM: Cylinders: V6: All cylinder heads …. These identifiers provide information regarding the time of manufacture and specific design elements. Look at this serial number reference [chevy. fits years 2005-2008 ls3 l92 square port. IF YOU ARE UNSURE PLEASE CALL US AT 1-888-920-0052. Exhaust port exits are raised 3/4 inch and feature a distinctive vane, giving rise to the popular nickname of the “W” port head. Big-Block Chevy Cylinder Head Casting Numbers 330864: …. I found the 376450 to have 60cc and 76cc, what's right? [ 01-07-2004, 06:03 PM: Message edited by: JIM68 ]. No you cannot nail the heads down to 1957 without removing a valve cover to look at the head casting number (I always recommend looking at both heads to see if they have the same#),But by just looking at the valve covers,you will be in the range of 57 to early 59,by the staggered cover bolts,The top two bolt holes were. I looked at a set of heads yesterday casting # 354434 65cc chamber 202 intake 160 exhaust. 50" valves but i don't know the chambers volume, i've them on the shelve, fully refurbished , new valves, springs, keepers, positive seals,grinded ,machined etc. The 1970-75 Camaros used a variety of blocks, cylinder heads, intake manifolds, exhaust manifolds, and waterpumps. Big-Block Chevy Cylinder Head Casting Numbers 330864: ’68 through ’84 oval port, open chamber, 2. I figure if the -416's are off a 305HO motor, they just may be about 160 cc's intake port size and around anywhere from 55 to 58/59 cc's chamber size-wise!! And should have 1. It seems anyone selling a 327 found it in a Corvette! At least yours is a 327. The heads are a 14014416 80-86 305 head with 1. The heads with the casting flaw were the 706 castings made by castech from 2000-2005. CYLINDER HEAD AND BLOCK CASTING NUMBERS; 1937 - 1962 Chevrolet 6-CYLINDER; 1929 - 1952 Chevrolet; Model Codes. Originally Posted by Project80. More information has been added as well as reference pics when they are available. The casting number is 3917215, and the date codes are F4-8 (June 4, 1968) and K30-7 (November 30, 1967). the heads produced by either casting will be identical except for the external cosmetic difference. The torque specifications for Chevrolet 350 cubic inch V8 head bolts are 65 foot-pounds per bolt if securing the stock cast iron head. This is a high temp cement used to seal kilns and furnaces. One way is to look for the casting number which should be located on the back of the head near the exhaust port. The first small-block with a 4-inch bore came in the 1962 …. The only real problem with them is that they have poor combustion and burn characteristics compared to the earlier closed chamber style heads. The 292 was indeed the "turbo" head. The TFS casting, of course, has a 13. Bonus: SBC Head Casting Numbers: Lookup & Full List [FREE Download]. I can't help you with value, check ebay, hemmings and other sites for some help. is 3998997, which on Mortech is a 76cc 1972 head. 1970-75 CAMARO ENGINE CASTING IDENTIFICATION. 5:1 CR, tufftrided, cross drilled Note 2: forged, cross drilled, 3. Replacing speakers in a vehicle is one of the simplest and most cost-effective ways of improving the sound in your car. Find out why GM Vortec cylinder heads are a great way to add horsepower to your small block Chevy. Details for 346236; Manufacturer: Chevrolet: Category: Cylinder Heads: Type: Big Block V8: Date: 1975-1987: Notes: oval port, open chamber, 454, 120cc chambers, 225. Head number 217 (last 3 digits) is a 350 1. craftsman m320 lawn mower Always research a head by its casting number and date code. Another way to identify a Small Block Chevy 327 is to look at the cylinder head numbers. The mixer is directly mounted on a 750cfm edelbrock 1407. BBC Cylinder Head Casting Numbers RECTANGULAR PORT …. The oval port casting numbers of interest are 336781, 353049, 3992241, and 3993820, which were originally installed on '71-'74 402 and 454 engines. Pull a valve cover and check the casting number. 88-inch valves would help especially on the bottom end and across the rest of the board. Although the Phase 2 cast iron Bow Tie cylinder head has the same casting number (14011034) as the Phase 1 …. Always thought they were basically same head as the #049 which alot of places have listed also at 113cc, but due to a recent post seem to be more like 121cc. Knowing what you're looking at could save you from wasting a lot of money. The 799 LS heads boost horsepower up to 25 hp. Typically if this is a small block Chevy, the EGR valve bolts to the intake manifold near the back by the distributor. Example: A239 if its is a 235 means Jan 23. These heads are prone to crack. By popular demand I attempt to give some good insight and info on Big Block Chevrolet Heads. New tappets, springs, seats, so forth. The 601 is a truck head it has really small chambers maybe too small because theyre tight around the valves it shrouds them pretty bad. Look for the identification number on the engine block. L34: Chevy produced the L34 from 1966-1969, and it made 350-360 horsepower. 5-degree valve angle and raised valve cover rails to accommodate the required aftermarket roller rockers. eBay Product ID (ePID) 1325019900. The "bowl" is the part of the port behind the valve. CHAMBER volume on the LT1 iron heads is supposed to be about 64cc, on the LT1 alum it's . It consists of 3-8 numbers or letters that indicate the manufacturer, displacement, and date. They are uniquely designed with a couple of advantages. They are a thick casting head so they aren't crack prone. aluminum gm gmc chevrolet chevy van hummer h2 gmc van cadillac escalade gm truck sierra silverado suburban yukon avalanche tahoe 6. Chevrolet Performance’s Fast-Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. #10 · Oct 22, 2009 (Edited) The 67 and 68 302 used the 291 head as did the 327 and 350 and came with either the 2. All Gen V Chevy small-blocks are direct injected, so they'll have injectors. if you get stock replacement valve springs form any auto parts or machine shop you should be fine. 039" So, using Summit's compression calculator with these numbers: 4. I tried looking up the number stamped on the pad by passenger side head under the alternator, but I can't find anything on it. Stock “double hump” heads flow 202 cfm intake and 141 cfm on the exhaust. The success of these heads cause every Chevy cylinder head with the double hump casting identifier to be referred to as fuelie heads for an entire generation of hot rodders. Small block Chevy casting numbers are on the top back ledge of the block, typically on the driver side, where the transmission bellhousing bolts to the engine. Casting symbol on exterior face of head is the infamous double-hump design. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. Small-Block Chevy E-Street Cylinder Heads 64cc. 5 The newer ones are cast in Mexico. Nevertheless, there is a lot to talk about when it comes to …. Date Code location 1 Or Date Code location 2. They are thin castings and prone to cracking. All Chevrolet engines produced since the 1950s have identification numbers stamped on the engine block or cylinder heads that provide information about the engine such as …. " The other is used on S/R Chevrolet heads for Chevrolet engines, where "AV8," indicates January 1998. Check this casting carefully to determine which features it. It also shows the locations of various number and code locations on the block/heads. They're 64cc heads, so you'll need to heavily angle mill them to get decent compression, probably around. 50-inch exhaust valves, while the 062 heads have slightly larger 1. 50 valves : B : Late-model lightweight casting version of 882: O “Saddle” and vertical bar: 416:. The 882 and the 487 have very similar flow figures when in stock form using the stock 1. IN THIS SEGMENT WE CONTINUE OUR LOOK AT SMALL BLOCK CHEVY HEADS WE TAKE A CLOSE LOOK AT TBI, TPI, AND VORTEC HEADS See part 1 . Posted 18 December 2015 - 06:12 AM. Been hanging onto them for future sales when they are more desirable. Chevrolet Big Block Cylinder Head Casting Numbers. Details for 3873858; Manufacturer: Chevrolet: Category: Cylinder Heads: Type: Big Block V8: Date: 1965-1967: Notes: rectangle port, closed chamber, 396, 427, 109cc. The 862s are functional equivalents from the same years and were never suspect for cracks. If those first two numbers are 3's 33417369, all they say on Mortech. Brodix heads, markings read STRD0202, and D-858 stamped on both. The 12557113 casting i just got from a wrecking yard out of a 2000 s10 pu with the oem roller fulcrom rockers. History of the LS Engine and Cylinder Head Casting Number Spotter’s Guide: LS1, LS6, LS2, LS3, LS4, L99, LS7, LSA, LS9, LQ9, LQ4, L92, L94. 1929-32 Canadian Trucks were also assembled in Walker Road, Walkerville. 00 for the set ready to bolt on. Several advantages of the -18X are intake ports that flow over 320 cfm out-of-the-box. There's no way to know what the heads came on as chevy did not put specific ID's on camel back heads. That’s why we have put together this short big-block Chevy head ID guide to help you identify that swap-meet gold. Casting number is 187 on these heads. Small Block Head Casting Numbers. Double check em' to make sure, anyway, here you go. Depending on the year model of the vehicle, you may or may not have an EGR valve. American made quality and affordable performance, the heads feature as-cast ports and are designed for entry-level street applications. Chev Head Casting Numbers Actively scan device characteristics for identification. RH head will have the engine ID code stamped into the front. At your altitude, you want more compression. Mar 3, 2024 · Every Chevrolet cylinder head features a casting number and date code that are crucial for identification. The engine will way even more once the intake and accessories are installed. One of the most common casting marks found on Chevy heads is the “GM” logo, which signifies General Motors. 02`s in a 416 is not a good idea. But I think they are fairly good for "old style" heads. I have been trying to locate a block number on my 1967 327 motor. For this 461 head, the casting date is September 24, 1964. With so many options available, it can be overwhelming to choos. The engine date must precede the car build date, otherwise something is amiss. used dirt bikes for sale near me under 500 what happened to mary miller on port protection The Square Body Chevy trucks were one of Chevy’s longest-running generations. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every …. The 624 head has a HUGE combustion chamber if you are running flat top pistons - your compression will be in the 7. General identification is as follows: 850-1100 heads have a heater tap at 90 degrees to the centerline of the engine. Month: A = Jan, B = Feb, C = Mar, D = Apr, E = May, F. The Phase 2 Bow Tie cylinder head (casting P/N 14011034) has the highest performance potential of any cast iron Chevrolet head. This block number has been used in many different versions of this aluminum 18 deg and 15 deg Bowtie race head. With 200cc intake and 69cc exhaust ports, World’s Sportsman II cylinder heads offer 30-70 horsepower gains over OEM cast iron heads, yet are 50-state emissions legal. 00 Regular price (/) Condition:: Remanufactured. The pistons were basic flat tops. According to Chevy by the Numbers the 461 heads are from 64-early 66, 327 300 hp and up. Well, there's good news and a little bad news about these heads! The Good News; Chevy used these heads from 1976 to 1987 on 350 cid engines. "paris agreement mcq youtube" IF YOU ARE UNSURE PLEASE CALL US AT 1-888-920-0052. Bodies were however produced in East Windsor [Walkerville] Plant in St. These lists can be found in various resources such as Chevy engine identification guides, online forums, official documentation from Chevy, or specialized automotive websites. You can search for specific specs or numbers or even view all. The stamping is usually located on the end of the casting above. 60-inch valves, but we’re betting on the smaller combo, as this engine was 300 hp. Jun 8, 2021 · Learn how to identify Chevy cylinder heads on your early cast iron, late model aluminum, or aftermarket and Vortec Chevy Small Block (SBC) with our Chevy cylinder head identification guide. So this means you will have to remove the valve cover if it is not already off. mike macy team roper You can sweep the chamber but not likely enough now to prevent it from cracking. The Chevy small block 327-cubic-inch V-8 engine can be identified by its engine code stamping numbers. For example, C259 indicates a date of March 25, 1969. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. But,from the Chevy mania website that has sbc serial numbers, they say these heads …. every podcast meme Bob Walla of Bob Walla Racing (BWR) developed aluminum heads for 348/409 engines because of pent up market demand. Again, if your engine has one of these numbers, it’s likely a 327. An easy way to gain 20-40 horsepower For use with 1955-Newer Small Block Chevy V-8 engines (except later-style LT1/LT4 engines with reverse-flow cooling) Value-priced cast-iron cylinder heads Uses modified …. I would do a valve job to be on the …. When this new cylinder-head design was established, Chevrolet then decided to create two distinct versions of the cylinder head. View Big Block Cylinder Head Codes Select BB Cylinder Head Group ALL Head Codes 348/409 366 396/402 427 454 502. in mild applications seeking a bat on installation. The third pair is off a 350, casting number 3998991. Your machinist needs to use a shallow exhaust seat. Engine Size (ci) 10033867: 62cc: …. The smaller combustion chamber with a higher compression ratio offers increased power output. Chevy Small Block Cylinder Head Identification Guide Borrowed from CAR CRAFT Magazine. Small Block Chevrolet Cylinder Head casting numbers /minuit10 / corvette /head chevy /corvette l82. It offers exceptional power at an economical price. Fortunately, it’s easy to determine which group an unlisted cylinder head you may be looking at falls into. Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. Filling Station - Chevrolet & GMC Reproduction Parts Re: 235/261 casting codes. Im putting a 454 together with TRW #2349 pistons and a set of non surfaced #781's. aishah hasnie swimsuit Decode the Engine Block Number: Use Chevrolet’s engine identification charts or online. Chevy V8 SBC Block and Head Casting Numbers. 3998993 350 Crate motor, current, Hecho En Mexico, 159/64cc ports. They're not race heads and being thin wall. It is intended for off-highway applications only. This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie race head. 400 Bore Spacing (same as the original SBC) Deep Skirt Block with Six Bolt Cross Bolted Main Bearing Caps (reminiscent of the old Ford side oilers, FE, and some early hemi blocks) Center Main Thrust Bearing. These heads will also interchange with other camel hump heads with casting numbers 461, 461X, 462, 291, 292, 186, 041, & 492. These heads were factory installed on all High Performance Chevrolet vehicles including Corvette, Camaro RS SS & Z-28, Chevelle Malibu, Chevy II Nova, Bel Air, Impala, and trucks. The Phase 6 aluminum Bow Tie cylinder head (casting P/N 14011049) is the product of years of testing and development. Get ratings and reviews for the top 7 home warranty companies in Chevy Chase, MD. The number appears to be V10191FJ. 6, these heads should flow good. I am well familiar with Mortec. I just bought a RPM air gap intake for what I was told where vortec heads!!! casting number 14102193. Find Your Cylinder Head 10% off on all gasket sets with the purchase of a cylinder head. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. the casting number under the rocker covers will help to identify them,i can't find those . The engine specs and information listed here is for a stock L94 engine. If you’re in the market for a new or used Chevrolet vehicle, it’s important to find a reputable dealership near you. The block casting is a 327 made from 1964-1967 (8795896), 2 bolt main, from 250 to 300hp. 8843astro said: What do you guys think of these heads. Chevrolet issued technical service bulletins to indicate which engines were to recieve a vin stamp, so who knows what could have happend (or not happened). The big-block engine casting numbers serve as a means of distinguishing an engine block by designating the casting number, the year of manufacturing, and the CID (cubic-inch displacement). I recently picked these up cheap, not sure exactly what they are. Identifying Cylinder Heads: Casting numbers like 10051101, 10128374, and 12551561 are critical to identifying the lineage and characteristics of small block Chevy heads. They are also very common on boat engines of that era. Felpro Permatorque head gaskets have a compressed thickness of. This difference in valve size can affect the engine’s overall performance, as we will discuss …. The letter stands for the month, the next one to two digits are the day of the month and the last is the year. From the latest information, looks like a correct code string to me for the application. V8 C ylinder Head Casting Month Codes. 330864: ’68 through ’84 oval port, open chamber, 2. By clicking "TRY IT", I agree to receive newsletters and promotions from Mon. The 906 is usually found on heavy duty trucks. In 1968 and 1969 the double hump marks are exclusive to Saginaw casting plant (normally machined by Flint V8 engine plant). item 2 1969 Small Block Chevy Heads 3932441 casting from 350 Chevelle, Camaro, Nova etc 1969 Small Block Chevy Heads 3932441 casting from 350 Chevelle, Camaro, Nova etc. This is invaluable in determining what engine parts you. The trucks feature a rounded windshield, door frames, and windows that contrast the box-body design. Casting # location 1 Or Casting # location 2. Can somebody explain if these heads will work well as opposed to some of the other well known casting numbers or the Dart and World (fairly low end price) from Summit/Jegs. Big-block Chevy factory heads are offered in aluminum and cast iron, with either open or closed combustion chambers, and with oval or rectangular intake ports. Big-block head bolt torque pattern. They are cast iron, have the double hump casting on the ends, and the number is 3782481. BIG BLOCK CHEVROLET CASTING NUMBERS Engine Blocks Heads Rectangular Port Aluminum Heads Rectangular Port Cast Iron 3855961 1966 396 325 / 360 hp 2 bolt Heads Oval Port Cast Iron 3964291 1964 - 70 396 / …. Chevy GM 333882 GMC Cylinder Head Casting 350 400 SBC 1974-1980 5. Finally, you can also identify these. 4chan ban This engine also uses two different volume combustion chamber heads; the 76cc low compression …. What we’re about to do here applies to both the 350 and the 265. Under the casting number is the casting date. The Vortec has a very efficient combustion chamber and excellent porting out of the box. If you are looking for a set of oval-port heads, look for the following casting numbers. A popular car modification is the stereo system. I finally got around to getting my "spare" set of big block heads out of hiding. The 823 cylinder head has a chamber of 65cc (cathedral style ports) or up to 70cc with …. Re: 824 head casting what did they come from. Aftermarket studs usually get torqued to 60 ft-lbs, but check with the fastener manufacturer for specific. The 862 heads belong to GM’s third-generation cylinder heads. 1952 GMC 150 (In Pieces) 1968 Chevy K20. The 462 was cast on April 13, 1966. It doesn't give valve sizes, but I imagine its a base head with small valves. 50" valves, 59cc nominal chamber volume. the vortec heads will have casting numbers that end in 906 or 062. General Motors identifies its small-block Chevy cylinder heads with both casting numbers and casting marks. There was coolant in a cylinder bore, so I think the. Ryan; Here's the short story on your heads, from their casting number; "3911032 - 307/327 68-70 1. Those looking to increase the valves in 348 heads can’t go that big due to the design of the heads and castings. Come join the discussion about restorations, builds, …. ----- Stock 67 327 RS A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. The 65cc combustion chamber was a different design than …. This was due to the double heat riser passage. I think Car Craft has the casting numbers in their cylinder head databank, its pretty cool because they also have the stock flow numbers. Use these casting numbers to identify the exhaust manifolds you …. The three-digit number refers to the casting process that created the single piece of metal that constitutes the head. I'm looking at a set of SBC# 3927185 heads that have been overhauled and modified as follows: The heads have been checked for cracks and slightly machine for straightness; Valves were enlarged to stainless steel 2. Does anyone out there have any info. You read a Chevy Vehicle Identification Number by decoding the characters in the 17-character VIN. idle dice unblocked 66 I think the end result was just …. template free printable felt christmas ornament patterns which give me a compression ration using the KB hyper flat top part number 202 pistons of 9. I have been told that Brodix heads is the one. Head: 600569 CC Passenger-Standard. Learn how to identify Chevy cylinder heads on your early cast iron, late model aluminum, or aftermarket and Vortec Chevy Small Block (SBC) with our Chevy cylinder head identification guide. 1996 – 2001 Astro Van 1996 – 2001 Blazer 1996 – 2001 Bravada 1996 – 1998 C Series Trucks 1999 – 2001 Express Van 1996 – 1998 G Series Vans 1996 – 2001 Jimmy. 6 valves 333882 350-400, 74-80, 76cc, 160/60cc ports World Products Cast Iron Heads ( by part numbers ) 4351 67cc, 162cc intake port 4350 76cc, 162cc intake port 4205 58cc, 162cc intake port, 305 torquer. i don't know if mine falls into this categoryi have the 6. Chevy cyl heads Identification - Small blocked casting figures, Tall block cylinder head, camel back leaders, double hump heads. The two ways are: Fill the clean passage with refractory cement. With 200cc intake and 69cc exhaust ports, World’s SPORTSMAN II Head offer 30-70 horsepower gains over OEM Head, yet are 50-state emissions legal (E. (date codes D2662/E2662) According to various web. Looks like it is a 1950-1952 216 head. 12558062 casting has 3 small humps. American-made Chevrolet is one of the best-selling brands in the United States. 55mm) Engine RPO Code: these versions are so called because of the visible ID mark on the sides that have a design …. For marketing purposes, it was also known as the Vortec 5300. 50 valves, although the hipo engine valves were swirl polished. There should be a date code back behind the distributor, near where the bellhousing bolts up. “0404” indicates April 4th as the build date. 0" rods,JE forged pistons,Edelbrock RPM intake with Holley 750 HP, all MSD ignition, Torco 3500 stall. Details for 3782461; Manufacturer: Chevrolet: Category: Cylinder Heads: Type: Small Block V8: Date: 1964-1966: Notes: 327, camel hump, no accessory holes, 160cc. Other than the slight hp increase going from std rockers to oem rockers are these castings ( 12557113) flow or are better in anyway than my. ALUMINUM FAST BURN HEADS Chevrolet Performance’s Fast Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. 1929, 1931-33 Canadian cars were assembled in Oshawa; 1930 in Walker Road, Walkerville, Ontario; 1929-30; 1930 and 1931 in Regina. Pretty much came on all of them including the Corvette and Z28, although those would have 2. I have looked in every nook and crack readily available. It isn’t hard to notice 882 heads are 400ci small blocks with a pretty consistent 200 CFM rating in a sports car. There is some edvidence these were found on MerCruiser Mag 350 applications. The current “bad-boy” Bowtie race head is PN 12363425 (casting number 14044861), a bare head with 380-cc intakes and valve seats for 2. First square-port Mark IV head. 88's valves, machined for the springs, milled. Take a look at the combustion chamber photo on this page. Chevy "W" Motor 348-409 V-8 Casting Numbers. 5:1and 8:1) It has headers and edelbrock intake. charley 18th street el salvador dead On the 461 double hump heads the "X" version had larger intake runners. The LS engines with 799 heads are 5. Small Block Chevy Cylinder Head Identification. Aerohead has these heads which are resurfaced, new 2. Oct 16, 2015 · The success of these heads cause every Chevy cylinder head with the double hump casting identifier to be referred to as fuelie heads for an entire generation of hot rodders. eBay Product ID (ePID) 1323232817. 46, 58cc chambers, 178cc runners, Flat Tappet 1983 -'86 F-Body LG4: GM PN: 14022601 int: 1. 3931063 Mark IV, Oval port, open chamber with 100cc. 60 valves which in itself is nothing unusual. Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC Cams | Crankshafts | Intake Manifolds | Exhaust Manifolds : BBC Engine Block Casting Numbers : Casting # Year: BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve size 2. Cylinder heads are easy to identify by locating the stamping on each end. Aug 30, 2009 · These heads got their nickname because of the raised identification shape on the each end.