Nastyz28 Head Casting Numbers - Comparing the Top Rust Removers for Metal: Which One is Right for You?.

Second Generation Z28 Engines - LM1 Specifications. The format is not the complete VIN, but enough to conclude the original VIN's number. Originally, the stock #906 casting head was available in two versions. I'm not planning a concourse build just a nice original driver. Some of the later model blocks have the casting number. There should be a date code behind the right cylinder head. Look on the top of the cylinder head at the back, just aft of the valve cover flange. In some cases the starter will need to be remo. Cylinder heads from a Boss 302 have slightly modified coolant passages to allow everything to mate up perfectly. Small Block V8 (221, 260, 289, 5. Don't forget to follow us on Facebook, and if you run a website or write for a blog, please link to our site! Chevy V8 Casting Number Locations. 1966 Fairlane 427 (484 Stroker), Tremec TKX 5 Spd. These heads appear to not be that bad, not as good as 350 Vortec but looks like porting could rectify that, there is. I have been using downloaded copies of the casting numbers from this site for years to see what numbers fit in what however on the far right there are Home. Common GM block prefixes include: V codes (e. Ive got a set of clean and freshly rebuilt SBC heads casting number, 14079261. These are the new heads I bought with a number I have never heard of. I'm putting a cam, timing chain, lifters, valve seals, springs all that good stuff into my engine. 0L engines (373 and 873 head casting numbers) Desirable Gen III Truck Engines: LM4 and L33 5. 40x50 shop house plans My 1970 SS454 LS6 SuperCar certified stock appearing …. The 1492s were copied from the early factory high performance heads but a new casting. Does anyone know what kind they are and if they are decent heads? I was trying to figure out some info on my motor. From 1967 on, the ID number contained the transmission type or plant prefix, Date (coded below) and a shift code. I have the correct pulleys according to part numbers shown on Camaros. The heads on the engine have this casting: GM 42 then under that 3888883 then under that D2 42. heres something i found just poking aroundYou need to tell us the casting numbers. traffic palm springs Search titles only By: Search Advanced head casting numbers ? Thread starter badazz70z28; Start date Jun 23, 2009; Jun 23, 2009. The -06 part is likely the casting numbers. 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, …. From what I understand, the 4-digits. On the block the 3-row code is to be found in the area between the starter and the motor mount. barney waiting for santa 1996 vhs Any of you guys running these heads?I have a spare 350 block I wanna build and trying to figure out which heads to use. It is a 165 cc runner with a 1. mini pontoon for sale mn almost forgot if they are on a small block 400 it is logical to assume they have the extra steam holes that were not stock-- watch what head gasket you use if they are going on anything but a sb 400. coachmen apex nano reviews See our products in the Vendor for sale section. Casting numbers could be:3917293, 3911032 or any 68 low perf head. Find a company today! Development Most Popular Emerging Tech Development La. Jun 3, 2007 · after spending some time reading a few engine books im finding that the stock 58cc heads may not be so bad just need a little help. dbz wiki frieza (A bare aluminum casting, less valves and springs, weighs 19 pounds, versus 44 pounds for a bare cast iron head). Corvette Year Engine Type Block Cylinder Head …. Vin id check cashing, vin decoding information is usually located in the cdx unohChevy block identification small engine 1955 factory guide Chevy small block engine codesEngine chevy code codes numbers suffix vin 327 tag block stampings decode trim nastyz28 number chevrolet corvette where identification small. 1961-62 3789935 283 170 2 Late 61 car & vette. I have to admit I've never come across an 881 head in my travels. It is a closed-chamber Cleveland head casting with cooling passages for the Boss 302 block and induction. -Flat top 4 valve relief pistons. Use these numbers to identify your stock Chevy intake. The casting numbers and heads you want for the Z28 are the 186 numbers you mentioned. Look on the right cylinder block in from of the head. was thinking I would rebuild plus port job will be on a stock 350 with headers and performer intake. There’s nothing quite like heading out on vacation. " This question originally appeared on Quora: What are some caste euphemisms in India? Answer by Koyal B. type 3 - double core holes in center and oblong holes in ends, head matches late block. 1958 Corvette serial numbers range from: J58S100001 TO J58S109168. Early 1956 heads have the number cast into the bottom of the D-ring ledge (visible from outside) and are based on the 1955 (3 fin) O-ring casting. The "X" heads had double hump casting marks as well. 351, 351w, 50, casting, ford, head, numbers. In the '70s, the two digit stamping was used to signify multiple models. Big block on the right side of engine above the oil pan rails. Only way to know for sure is to look at casting number in the crank which requires the oil pan to be off or measure the stroke by sticking something down a spark plug hole and hand cranking the engine. Gnats are attracted to fruit smells, and a number of shampoo products ha. Anyone else ever seen this before? There doesn't seem to be a zero on the end of the cast to make it 3970010. There are a number of reasons that gnats will fly around a person’s head, including the smell of a shampoo. Camshafts are identified by (usually) the last 4 digits of the part number and a casting symbol. 100" is living on borrowed time. What's new Latest New media New comments Search media. 2268341 - 1962-1967, 318 LA-series small-block, 1. I have heads with triangle marks on them. 600 exhaust valves, 7/16 x 3/8 screw in studs, 5/16 flat guide plates, and 1. Oct 20, 2011 · Second Generation Camaro Z28 Engines - LT1 Specifications. I will one day inherit my Dad's 81 Camaro that currently has a 305 in it. I also verified it is a heavy casting and matched the casting mark on the ends of the heads with that head. (Besides doing a drive train swap from my rotted out 78 to my 80 Berlinetta with a rod-knocking V6. None of the websites I have searched list the 3888883 heads although …. But then again their were better heads that Gm had in the Hi. And the man said: Live fast Die young …. Are they any good after porting and polishing? Heads will be used on a sbc to with hopes of the 325-350 Crank hp range. Anyone know the difference between SBC head casting. Jun 24, 2009 · with these numbers can anyone tell me what these are for heads 3814480 gm4 c-1 b362. Dec 7, 2013 · and get the head casting number, under the valve cover. Chevrolet Performance 19210009 SBC 350 HO Turn-Key Crate Engine. If they are stagger bolt pattern, those are 55-58 if they were US. I have some old 76cc #441 heads lying around which are known to be pretty decent heads for a 400. The heads 3947041 were used only in 1968-70, yours were cast January 3 1969 (A3 9) and October 30 1968 (L30 8 ) 1. Will these heads fit my 390, or is the 410 (E-475 …. The L48 used camshaft 3896929 part, 3896930 casting that had a 0. Think I may have gotten the code mixed up I thought it said 3782481 but from lookin arnd I seen that i possibly read it wrong and it's 3782461 and has H205 below these. He showed it to one of his coworkers who then said that it doesn't matter anymore if cars are numbers matching. gray iron foundry, assembled in Flint Mi. Or download the full list HERE. Chevy Numbers Decoding Flat top cast pistons, 64cc heads with 1. The block casting number on smallblock and big block Chevy V-8 motors is located on a ledge found at the rear of the block, most often on the driver's side. I have never done it but have a general idea how. This is a D0ZE-6090-A Boss 302 head casting with 2. 94 intake without the swirl port. Great, thanks for the help! I didn't figure I would be lucky enough to just stumble across the right block like that, but you never know. A 1968 model Camaro assembled on. That is the 1968 thru 1976 "#2" block. the other was V-flint (engine) 03-march. Eldon Triggs - 1957 Bel Air Sport Sedan "Bertha". Cylinder heads have double pyramid casting mark. With or without the A, the specific engine ID would be the 6 digits after CE. Hey guys i'm looking for some advice on heads for a small block. GM head casting numbers? 14102183?? Jump to Latest Follow 40K views 2 replies 3 participants last post by DoubleVision Apr 28, 2004. 2465315 – 1964-1965, 273 LA-series small-block, 1. Other than the need for more chamber relieving for larger valves on the 601 head the job is pretty much the same. First year of 385 series engine. 3927186 (DZ 302 Heads)The other 041 numbers you entered are for other small block …. The heads do not have a casting number under the valve cover that I can find. What are they and what cubic inch/hp/tq year motor are they from? 3927188 GM A260. This casting number was known as the "service head". I hope it helps you identify the Chevrolet engine parts you are working on. Casting Date Example: E038 – (E = Month, 03 = Day, 8 = Last digit of model year (1978)). The number appears to be V10191FJ. In the wake of the Las Vegas shooting, the cast of Mean Girls turned to social media to raise money on Mean Girls Day By clicking "TRY IT", I agree to receive newsletters and promo. i just picked up a 70 with a 307. NastyZ28 Gamers & Computer Gurus. 50 valves and 4 valve relief TRUE flat top pistons. com has TFS 23 degree heads for $920 a set. What are they and what cubic inch/hp/tq year motor are …. tracyton movie house food menu Casting number 12558062 is a Vortec head that is available from Chevrolet Performance. com site it says the JA is the ratio, the G is the plant, Detroit, the 109 is the 109th day, the 2 means night shift, and no leters after that means it is an open diff, no positraction. For this block, it would be the '69 only. tattoos for submissives It was also used in 1970 and 71 and was used in all passenger car and truck lines including the Chevelles. I actually went through several lists and made some corrections before making this list. CID: Application: Engine VIN: HP: BBLS: GM Body/Comments: CMK : 1974: 350 : t400 NB2 pol/taxi - 4 : full size ? 1997 - 2014 NastyZ28. : Get the latest Guangdong Wencan Die Casting stock price and detailed information including news, historical charts and realtime prices. Yours block casting is J168, Oct 16 68; Assembled V1018DZ, Oct 18 68; 2 days from casting to assembly, just like mine. Head casting numbers and the head casting date are located under the valve covers, in the rocker arm valley. I located two set of numbers on the engine I was told it was a 396 that came out of a 70 Monte Carlo, but who knows. find a set of numbers and date matching heads (car build date is 4A 1st week April) 3. Starting in 1970, the serial number is stamped either above the oil filter, somewhere on the block pad (in front of the cylinder head), or on the transmission flange somewhere. 60 : over the counter 23 degree, angle plug, 196cc intake runner, aluminum : 10045434: 55 cc : Over the counter 15 degree, angle plug, raised runner, aluminum : 10051101:. The casting numbers indicate 96+ 454 vortec 7400 L-29 Generation VI #10237297. Casting number block 10114182 heads 10114156. 1973 Cylinder Head Casting Numbers. I was reading an article "over there" about the 6. I just picked my first classic. Casting Number | Combustion Chamber. Oct 20, 2011 · The 1974 dual snorkle air cleaner is unique in that it was smaller than previous years, and later in the year it was dimpled to accomodate the new HEI distributor. I found a 69 427 complete engine casting #3963512 date code by flywheel K 7 9 HI PERF and is 4 bolt main. Not Dead: The Web’s Greatest Collection Of Chevy Casting Numbers Is Back On Mortec. model year because it translates into December 16, 1967. With the valve cover off I also noticed it has roller rocker arms. breakdown of small block chevrolet suffix codes visit nastyz28 com small block chevy casting numbers engine engine block casting numbers cylinder head casting numbers intake manifold casting numbers transmission interior codes and paint codes to find out the exact model of your engine you can locate its. View Profile View Forum Posts View Blog Entries Junior Member Join Date Dec 2007 Location Austin, TX Posts 92 Pewter 2002 Trans am WS6 T-top. SBC cylinder head casting number 3990462, c/n 378461 similar SBC general decoding information from nastyz28. 030, that will remove between 4 and 5 ccs, everything will bolt up as stock. D3ZE heads were produced only in 73 and 74 near the end of C production. Just wanted to shed more light on the subject. Here is how they break down, with some help from the Mortec site: 10243880 = 95-00 Vortec truck, 2- or 4-bolt mains, roller cam, one-piece rear seal. Small Block Chevy Suffix Codes: CMK - CUD: Engine Code: Year. New media New comments Search media. Nov 10, 2008 · Al Covin 's book CHEVY BY THE NUMBERS notes/verifies this oddity of the 881 & 882 Castings being excactly the same late in the 1974 year. Four bolt main blocks are desirable in high performance applications because the extra strength of. Steve, I have some heads from a 283. com (tm) North Georgia Classic Camaro. makya griffin instagram *Note: (X) indicates an "X" casting foundry proof mark will appear after the seven-digit casting number on later 1972 base engine and LT1 3973487 cylinder heads. 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). The date code on the back of the block is ( B 23 6 ) The confusion continues with 4 bolt mains, composite 6 bolt timing cover, and a FLAT tappet cam. I'll post a few at the time until I get them all here. Can't remember what crank and rods but assume they're descent. Before the advent of the Sportsman II heads around the late 1980's the 993 was used by John Lingenfelter and other engine builders extensively for street/strip engines. 2,506 casting numbers in the database. Important: If you don't know where to look on your engine for all of the casting numbers, casting dates and suffix codes, see Chevy V-8 Casting Number Locations page 1 and page 2. Same heads and valve sizes as 302. 1 = chevy, 4 = model year, N = assembly plant, xxxx = serial number of vehicle. 1968 - 400 Ram Air II Round Port Code 96. 480" lift cut the guides down to clear the retainers. Engine freeze plugs exist on the typical automobile engine as a result of casting holes in the block or head. Thanks (0) Quote Reply Topic: 304 Engine codes. I was doing an oil change on my '81 Camaro today and I decided to take the valve cover to see if my lifters were loose because I was hearing some ticking, my head casting numbers are #462624 and date code is either FI1 or F11 couldn't really make it out, when I looked up the heads it says. My old intake is not going to work with these heads with a 1/3 or less of an inch difference. If the crankshaft doesnt have one of these casting numbers then it is NOT a factory 302 crankshaft. Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, …. Small Block Chevy Engine casting numbers and Identification Menu. Chevrolet Big Block Head Casting Numbers. casting number sbc spark plug All casting numbers and part numbers for the carburetor, cylinder head, intake manifold, exhaust. Chevy exhaust manifold Identification - Chevy ramhorn casting numbers, Big Block chevy exhaust manifolds Exhaust Manifold ID. 3970010 was a common block used from '69 to '80 on the 350. In some cases it may be located on one of the end exhaust ports. This is information widely available on the internet and not of my own research. ) It will be between the spark plugs. You say Chromato, I say tomahto, le. Note 3: M-21/22 gear ratio: 1st 2. 60" valves are just a cut away from being installed. Aside from when the intake or head gasket blew (still not sure which) it ran pretty good until recently, with a 350-tuned ECM and 350 TBI heads. type 2 - single core hole in center, head matches early block. As far as sucking air from the lifter valley, this suggests the possibility that you could have later model heads from a fuel. GM has manipulated the nickel content over the different part numbers, but it doesn't make a huge difference. Jun 7, 2004 · Lifetime Gold Member. I think its f= june 6=day 4=74. The part # for the 96-early 97 explorer GT40 heads is F1ZE-AA and the Nov. Many times the nicer HP 882 heads can be picked up cheap as people don't realize which version they have. December 25, 2010 (4866 days ago) Loaded in 1 ms. L48 333882 heads had the smaller intake valves, no guideplates. Unless it was some kind of industrial application, consider it a mistake. samsung washer model wa48h7400aw a2 This reduction in total engine weight of 25 pounds each can improve handling, acceleration, …. I have a 350 sbc block , '014 casting , '441' heads, casting date of 1 3 9 and a pad stamp of T1024HD. That head is like the old 820 '69 265hp 396 head with a different casting number. The first one, ‘0’ would show off what year it was assembled in, as ‘67997’ is its serial number. Gary S said: I don't have any Old School Knowledge, but I have a copy of Colvin's Chevrolet by the Numbers 65-69. No, no, not the beneath the exhaust port. The jeep guys did a very good job tracking down all the casting numbers for the majority of the sixes. Posted on September 16, 2019 September 16, 2019 by Dino Behler Jr. The 265 that year was only available as a two barrel, manual trans application. The holes must be incorporated into the block and head to allow escapi. This is a head-on view of the 400 Cleveland block, which has a 10. 1982 Fairlady 280Z 2+2, Needs floor pans and rails. hey guys i've got a '76 camaro that has the motor replaced. i have a 350 with standard or just above standard pistons. So when going to a larger valve the chamber can benefit from some deshouding. 353049 Mark IV, oval port, open chamber with 120cc. In both cases, in the first row I found was a 4-digit number followed by a letter. 3 heads have the casting number 1809030C3 but I have 3 differant sets of heads with differant numbers. First digit is GM Division: 1 = Chevrolet. Casting numbers accurately identify head castings. I bought a short block core because I needed a small journal 327 crankshaft. may not the right group but sbc anyway bought 85 chevy tk to redo had some work already done anyway got to motor and the casting numbers for block is 3970010 witch shows to be 69 z-28 block it is 4bolt main and crank has these num. The 010/020 indicates the 'formula' used for the casting (% of tin and nickle) [This message has been edited by Marv Davis (edited May 15, 2001). Cylinder heads are normally date coded in the form of a letter for the month (see table below), two numbers for the day and a single number for the year. Decoding small block Chevy engine suffix codes and stamped numbers - 3N to CDR. Let's identify them for each year of production. 348/409 Cylinder Head Casting numbers Results: Found 21 matches out of 21 records Head# 3815857 The seats in the head had to be machined into the casting. Which heads are better these or 882?I have a set of those also. A number of crate motors made by GM in Mexico, may have an "M" or "ML" prefix stamped into the front pad of the block followed by a series of numbers which is the serial number of that particular crate replacement motor. Casting numbers in Gen I cylinder heads are found near the valve spring seats under the valve cover. It has all indications of a roller. 1969 - 400 Ram Air III Code 62. There is nothing stamped on the front of the block. Once again I shot myself in the foot. No significant differences from '68 thru '76. are both going to be about the same. Or is there an after market block to be found for a reasonable price that will do the trick. jonathan boyd guitar method BBC Exhaust Manifold Casting Numbers. 456 Axle Gears, ARB's Front & …. Decoding Engine, Transmission and Rearend codes. The most common blocks are the 3970010 and 3970014 blocks made from 1969-1979. 2nd digit: Series number: Q = Sport Coupe, S = Type LT (1973 - 78), S = Berlinetta (1979 - 80) 3rd and 4th digits: Body type: 87 = Sport Coupe. Expert Advice On Improving Your Home Videos Latest View All Guides Latest Vi. Big Block Head ID/Codes, Casting Numbers. the last 3 numbers would be the block series number. I6, rebuilt T5 Dana 300, dana 44 tru trac dana 30, 4. It has the 193 heads and I've been told that they are 1. The block looks like it was from a 72 truck or van, but I couldn't find much else on it at Nastyz28. It currently has an Edelbrock 3704 tbi intake on it with 10088113 aluminum heads. Having a magic lantern to wish away all the noise might come in handy for the studio—if it really minded. I'm guessing this is Flint, Feb 17. Pistons were flat with a notch for valve clearance at high RPM. Your best bet is to pick up the book "How To Hotrod Small Block Chevys" by HP Books. picked up a `66 chevy 283 engine last night for $75 from Craigslist. You are looking for engine code '8' engines in Camaro and base model Corvette. Aluminum, LT5, ZR1, DOHC, 32-Valve, drivers Side. As the name infers, the casting number is cast into the block when the block itself is cast. The chamber is more compact so the valves are more shrouded. A small half effort only gets you a small gain. 6 valve versions so nothing more powerful than the L48 350/300 but still 4 bolt). The website also has a Camaro Statistical & Reference Information section that contains information on VIN decoding; production and …. 8 69 #3999290 Truck 2 or 4 Bolt 9. In my book "Catalog of Chevy V8 engine casting numbers 1955 to 1993" the head part # 3795896 was used on 327 62-64 Corvette 250 HP, 62-65 passenger car,62-67 truck, 283 63-67 truck,63-67 …. 1956 heads were made both ways (despite Palmer’s comment). Ok you have a 3970010 block, now look at the date code on the back of the block. They have about 230 cc smallish, real large oval ports, 100 cc fastburn, heart shaped chambers vs about 200 cc intake port peanut port heads w/ generally great big 118+ cc open chambers. Expect to pay a lot of money if you even find a usable pair. I got a block that im thinkin about building and I was wonderin if anyone could give me any more info on it and tell me if its a good motor to build and race with. Need a talent agency in Chicago? Read reviews & compare projects by leading casting agencies. #1 · Feb 4, 2008 (Edited) Identify this head number (1816691) Hi folks, Trying to figure out if my car has a 327 or a 350?? I have searched Mortec, nastyz28, Chevy-Camaro and …. I have checked both casting heads and came up with about 120cc (+/- …. Chevy "W" Motor 348-409 V-8 Casting Numbers. Different chamber volumes, port volumes, port locations, valve sizes, etc. CKT maybe a LT1 from a Z28, but by 72 the HP was down some what. 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. Second digit is model level: Q = Camaro (all models) Digits 3&4 …. 305 engines don't use the "Vortec" head, they use the standard 305 head but GM called it a Vortec but it does not have the chamber and port features of the L31 heads. Some people say it is and some people say it isnt. 504 woodland ave This casting # is listed on Mortec. A large class of predominantly upper-caste Indians are in love with “purity. 3973370 Sooo rare heavy casting they are limited production 68-69 over the counter only--never put on american production engines--some sold in canada on production engines--straight large plug are more common but very very few were small angle plug. If you are restoring a museum piece you don't care if it runs. But soap and water doesn’t alway. That happens a lot with this casting number. I am looking at a 70 nova with a big block,the car belongs to his son who is over seas. They would be ok on a dd, but you would need to keep your performance expectations realistic. 2532080 - 1964-1965, 273 LA-series small-block, 1. Since then I have been told by a couple of others that the 852 block can be safely bored that much. basically your off the shelf 350. Mine was a 4 bolt main, cast crank engine. I just bought a RPM air gap intake for what I was told where vortec heads!!! casting number 14102193. I have a bunch of these head casting number pages that may help someone sometime. 10134392 Phase 2 Cast Iron Bow Tie Head. LS6 heads have 243 rasied numbers on the top corners of the head. 3914636 (1968 passenger car) 3931174 (1968 truck block). The VIN # was virtually impossible to read. com Is it likely the heads were installed on a truck? The …. Horsepower was directly affected by the size of the. Cast aluminum rocker covers with internal galleries. Chevy V8 BBC Block and Head Casting Numbers. Not all 96 models got the 350. The trouble is my confusion with the casting dates of the block which I think should be B129 but seems the tail of the last number closes on the top to make it B128. Click here for more information on body types/styles. Details for 473328; Manufacturer: Chevrolet: Category: Cylinder Heads: Type: Big Block V8: Date: 1968-1969: Notes: oval port, open chamber, 366 tall deck: Added to DB. That part number you called out is for a 50cc domed piston. I would suggest a 108 to 110 C/L for a dual purpose engine that is staying under a 250 HP kit. The casting number is 3877178, below that is GM, and below that is what looks like 4. The additional letter codes as follows: Muncie 3 speed Manual. List of head casting numbers for the 1958-65 348 and 409 engines. Thanks! According to my books, casting number should be #3932386 for '69 350/350 Corvette. Dec 15, 1997 · Note 3: 1053, tufftrided, cross drilled, balanced for 9. The 1974 dual snorkle air cleaner is unique in that it was smaller than previous years, and later in the year it was dimpled to accomodate the new HEI distributor. You can search for specific specs or numbers or even view all. It consists of 3-8 numbers or letters that indicate the manufacturer, displacement, and date. crate engine a few years ago, with a block based on the refurbished aluminum ZL-1. The block is on the upper left side rear on the bell housing mounting flange of the block. I should have been more clear, that "TBG" code above came from NastyZ28. The head casting number 3998993 shows 350ci, 200hp, uu (uncertain usage) The VIN derivative of S525183 would seem to indicate a late production car as the last VIN was S527004. It's looking like I'll be able to swap the heads on my pickup next week. 5:1 compression ratio with these heads, comp cams. 1967 - 400 Ram Air or 428 Code 670. who does agruss law firm collect for Leave a comment if you cannot find yours. So I am going to try again, this is a REBUILT engine I put in my 1981 Z28 in ~1987. The head casting number is under the valve cover. Anyone know of good resources for casting number info (block, head, intake, etc. The numbers would be 111 103 371. If the heads were cast in the '70s (and possibly the early '80s), it most likely will be a D3VEA or similar number. 1967 C heads had this number; 68-9's did not. 88 exhaust Casting Years CID Chamber CC HP/RPO/Comments 3904392 1967 427 Closed 106. In 1978 compression was lowered to 8. paint price per gallon The 261 has a raised set of "captain's bars" (casting marks) in the block just forward of the starter. Search titles only By: Search Advanced What is a 434 casting head from? Thread starter razorback; Start date Apr 30, 2005; Prev. The 96cc 425 heads are very similar to the large chamber 472/500 heads, and even use the same valves, springs, etc. bay boats for sale in sc I am trying to up the performance of my engine for as little cash as possible, thinking around $250. IF ANYONE CAN FIGURE OUT THE YEAR OFF OF THE CASTING NUMBERS COULD YOU PLEASE LET ME KNOW. Common rectangular port production casting numbers: 716/821 LS3 heads 68cc. Another example: A Targetmaster engine (p/n 14009800) built in 1985 could have a code stamped as follows: A0198005 (A = january, 01, 9800 = pn, 5 = 1985). " The other is used on S/R Chevrolet heads for Chevrolet engines, where "AV8," indicates January 1998. It was superceded the following year by the Fuelie head in 1957. Details for 346236; Manufacturer: Chevrolet: Category: Cylinder Heads: Type: Big Block V8: Date: 1975-1987: Notes: oval port, open chamber, 454, 120cc chambers, 225. 42 distillate probably came with a # 8777DA or 8790DA head. I found a reference list online for all Ford OHV cylinder head castings. Al Covin 's book CHEVY BY THE NUMBERS notes/verifies this oddity of the 881 & 882 Castings being excactly the same late in the 1974 year. Could someone decode this for me please?. the engine is a 350 Steel crank, 4 bolt main, 9. I found a set of heads on ebay that are supposed to have come off of an 81 Z28. Look up" Jeep Block casting numbers "on your search engine.