10066036 gm block casting

 

Jun 28, 2012 · SOURCE: 383 SMALL BLOCK CHEVY. E. 1967 Camaro RS/SS 396 coupe L35/M40 - 4 generation family project. My guess is, the engine casting number is 10066036. High Volume Pump Oil Pump- part # 12555284 Hydralic Flat tappet Camshaft- #14088839 what year would block casting #10066036 be and would it be able to handle 435hp edelbrock performance top end kit. Example: The breakdown of casting number C8OE-9430-D is easy using the charts below: C = Decade of 1960. Don't be a stranger on the forum, stop Chevy Small Block - Engine Block Casting Numbers Notes (for below): "High Power" is the maximum rate HP this block was used for, "Low Power" is the lowest rated horsepower RPO engine the block was used in. 3791362. S. what is this block ? i looked and the books i have dont list this number? It's a 10066036 casting number, Target Master 350. In case you have the short- or longblock, Specs on it: 8. the casting no. Could this have been stamped in the opposite direction making it an 86 if viewing it from the front of the engine? Jul 20, 2012 · Block Casting# 10066038 Here's what I know: Made in Mexico around 1992 1. ( These Numbers obtained with a Quadrajet Carb,1 5/8" headers , and an Edelbrock Performer intake part # 2101) Engine consists of the following parts: Block -part # 10066034, casting # 10066036. Chevy/Olds Rocket block 4. Part Type: Engines, Bare Blocks. Jan 27, 2007 · Hi Guys, Can any one confirm what ive got. Jul 12, 2020 · Block -part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main Crankshaft- # 3932444 Nodular Iron 1985 and older flywheel bolt pattern. These were 350 engines that were manufactured by GM for replacement engines. 7L crate engines for sale. Ask Your Own Classic Car Question. Pay less for crate Feb 10, 2023 · The first place we typically look is the casting number on the back of the block. Details for 10066036; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: Notes: 350, 4 bolt, Goodwrench crate engine, 2-piece rear seal: Added to DB: December 20, 2010 (4910 days ago) May 2, 2012 · GM 10066036 Crate Engine. lbs of torque @ 3600 rpm. Engine Schematics, torque specs-chevy,international shipping rates,engine parts. block My chevy sb is marked 5GM casting #10066036, "06" "54" can you tell me what year this targetmaster block was made? … read more Apr 3, 2016 · Block Casting 10066036 GM SBC Block casting numbers ID Chevy big block Ford. 1M0403 7H04 stamped on front of block. Summit Racing Part Number: NAL-10066034. 190" bores 400 mains journal sizes splayed steel caps wet sump raised cam 2-piece rear seal 9. These numbers are stamped into a flat section behind the water pump, right side . Made in Mexico. Jun 13, 2018 · The numbers you are talking about (010, 020) are only sand core identification numbers. engine has approx 30,000 miles on and runs good no noise … read more Don - Mo Lurch Oct 22, 2022 · You have block casting 10066036 GM crate the dealer told you it was an LT1 it is 4 bolt and has raised pistons does anyone know for sure what it is? Your casting number is listed at this address Sep 14, 2023 · Gm casting number on block 10066036 what size is this engine? 350 cu/in block used in GM Goodwrench Crate Motor. We don’t just want your business today. Sep 13, 2010 · I looked at the block casting area and noticed what looks like 98 up a little higher, almost to the peak of the bellhousing. 50 exhaust. 0:1 compression ratio. I just wanted to be sure if I bought this block with intentions of a mild-streetable 383 build it would work fine. if this is the engine you have GM claims 350 Cubic inches 4. New to the forum busting knuckles under hoods since the 70s. the 1 3/4" headers listed above were dyno headers used for the test) Block. 383" Exhaust Lift Oct 13, 2023 · what year would block casting #10066036 be and would it be able to handle 435hp edelbrock performance top end kit. 40072-802 355909. Chevrolet Small V-8 Cylinder Block Casting Numbers 1955-1985 These listings are always a work-in-progress. Performance Parts 290 H. ∙ 12y ago. com Cylinder Head ID. Jims show these heads being used somewhere along about '71-'77 on the 350. Apr 2, 2014 · Block -part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main Crankshaft- # 3932444 Nodular Iron 1985 and older flywheel bolt pattern. Oct 21, 2022 · Best Answer. 050 and . ∙ 1y ago. 250 HP @4300 rpm. Jul 12, 2010 · that block is a GM target master/replacement 350 engine it didn't have a specific year because it was a universal replacement re manufactures engine GM sold. Knee deep in hookers and gin. GM's "Advance Design Trucks" Began production mid-year in 1947 with production concluding in . !994 long bed chevy work truck 2wd Dec 6, 2011 · Block -part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main Crankshaft- # 3932444 Nodular Iron 1985 and older flywheel bolt pattern. Oct 20, 2022 · The Chevy engine with that casting number was made in 1993. The block casting number will just identify the block, so you should concentrate on the stamped number on the pad if you want to identify this engine. It has a crate GM Master Target engine with casting number 10066036 and fits a three bolt starter. 30576-792 360851 Nov 4, 2009 · Chevy: casting #10066036, 06 54 can you tell me what year. Oct 20, 2011 · C/K = TRUCK, X = Nova/Chevy II, Y = Corvette Click here for more information on body types/styles. I purchased a 350 GM Goodwrench replacement engine (used). 22551660. No Falt! I found this number on the block: 10066036. Sep 28, 2011 · One engine that used this block was/is the p/n 12499529 G. 10066036 serial no Sep 13, 2010 · The reciept that Napa gave me says "1984 chevrolet Camaro 5. From what I've read, this engine is a replacement for 71-85. 462624 on the head. i need to know any - Answered by a verified Chevy Mechanic Sep 18, 2023 · Answers is the place to go to get the answers you need and to ask the questions you want 03-20-13 04:50 PM - Post# 2328075 Hello, I just picked up a decent GM Goodwrench engine, casting #10066036. I found 2 different websites stating the same thing, this casting # on the block is a GM crate motor with 8. mine has the id number on the front deck as 1M1105 4VP. "Main Caps" is the number of bolts holding the cap. Sep 21, 2011 · One of the first 327's I ever built was a '68 327 c/n 3914660 block and 040 heads, from a '68 Impala w/HG suffix. Oct 5, 2009 · the a10139vp number is XXXXX the front of the block bye the water pump. it is a 350 targetmaster GM motor . Casting numbers tell when a part was ORIGINALLY designed. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head. This brand new crate engine comes with a GM warranty and is covered for 3 years or 100,000 miles in applicable GM vehicles only. I hope I provided what you needed. engine has approx 30,000 miles on and runs good no noise … read more Don - Mo Lurch The logistics of pouring a different material for a small production run of hi perf block without changing the casting number AND THEN keeping these blocks separate from the low perf version with the same casting number inside the same foundry and all the way down the production line would be impossible and contradict all of GM's manufacturing 22551656. Answered in 11 hours by: Chevy Mechanic: Carl King. Oct 24, 2022 · That is the block casting number for Big-Block 427 or 454 engines Gm casting number on block 10066036 what size is this engine? 350 cu/in block used in GM Goodwrench Crate Motor. The number on the right side front is 1M0524 and under this # XXXXX XXXXX . Use these numbers to identify your stock Chevy intake. The block has a place on both sides of the oil pan to mount a dip stick, this one is on the driver side. It was a good engine when all was said and done. SBC Block Casting Numbers. Thanks for using Just Answer and letting me help you. 86-up. certified with 25+ years experience. and also on the back of the block bye the bell housing is a three digit number 281 might that be the date casting code? because i cant find it anywhere else Apr 27, 2011 · The block was cast and assembled in the Toluca, Mexico Engine Assembly plant. Lets summarize casting numbers: 3970010 3790020 3951509 numbers under the timing chain cover 010 020 509 Hmmmmm. Dec 15, 2018 · 8. Now, having looked up some info it’s a made in Mexico block for ‘94 only. 5:1 cr,cast dished pistons,hydraulic flat tappet cam . We would like to thank everyone that has contributed to the This Casting number is usually found at the rear of the block on the left or drivers side on top of the bellhousing flange. 00" Bore, 3. I am in desperate need of a new starter for my 79' El Camino. Wiki User. I found this website and see I not the only one. The post World War II GM truck designs were a stark contrast to their ancestors. O = line / Manufacture code. 9,827 Satisfied Customers. Engine block casting # 10066036, and block code 1M0822 3VP This translates into a GM 350ci - 260HP (Targetmaster/ Goodwrench) crate motor, with a build date of August 1993. Lvl 1. lbs of torque @ 3750 rpm. If you have any documented info that can be added to these pages, It produces 260hp and 350 ft/lbs of torque with a 4bbl carb and headers. There are 2,506 casting numbers in the database. Chevy Mechanic: Mike S. #1 · Mar 28, 2009. engine has approx 30,000 miles on and runs good no noise … read more Don - Mo Lurch Whether you are an engine builder, drag racer, circle track racer, boat racer, road racer or a hobbyist doing a classic Chevrolet restoration, Mortec has information you can use, starting with our ever-popular Chevy casting number lists for small-block (SBC), big-block (BBC), and 348-409 V-8 engine blocks, cranks and heads. Jan 22, 2008 · found some specs on the one i have, 8. See full list on chevygeek. , Classic Car Mechanic. you might have to look the no Aug 29, 2004 · 11400 posts · Joined 2002. 350, 4 bolt, crate engines and ZZ4, roller cam, one piece rear seal. The bolt holes line up fine, the only difference is that the old gaskets I removed had about 1/16 to 1/8 gap around each port, where as the new ones are almost flush with the inside of each port. 5 to 1 compression 250 HP. The local part stores say that I need to get them the product ID for the starter and that they have no way of knowing from the casting number. A "two-bolt" main, or a four-bolt main. Feb 8, 2011 · Numbers in head casting: D 144 473 3824437 GM 7 From Small Block Chevy Engine Block Identification 350CUI Goodwrench Crate Eng 10066036, TH200-4R, 10 bolt 8 1 Dec 23, 2010 · C4 Tech/Performance - 1994 block for 1990 engine? - I found a machined ready-4-build motor (supposedly) for $200 in my area. in. The problem is that the oil pan has places for both dip stick spots and so does the gasket. Click Here to Apply. Now normally the first digit refers to the manufacturing plant, but since this is a crate Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. 33426651 on the crank. Sep 30, 2019 · 10066036 350 4 Bolt Goodwrench Crate Engine By: Napptown 09/30/2019 What transmission works best with it and what are the best . The 010 is a side core for a small block chevy, and it does not guarantee that the block is a 4 bolt or not. The problem timing i use a tdc tool on compression stroke no where near timing marks. Most were 4 bolt blocks, but some 2 bolts were built with 010 side cores, or whatever side core was available. the high out put version says it has everything as above but the cam change they show is . 262. December 20, 2010 (4911 days ago) Loaded in 1 ms. All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. This ledge is below the deck of the block and the ledge forms the mating surface between the block and the transmission bellhousing. 1995-1999. Quick question for the engine gurus Will a 10066036 casting number small block accept the z-bar ball stud or will it have to be drilled for one. What year 350 Chevy engine with casting number 10054727? 350 hp Chevy engine small block made in Canada! Oct 22, 2022 · A Chevy engine with casting number 10066036 what year is it? This is the block casting number for a Chevy 305, build between 1976 and 1979. there is a casting number on the block, usually on the side. 0L 305". It can be used as a replacement or as a retrofit into almost any vehicle. Choose Group to View Engine Block Codes Select Block Casting Group ALL Block Codes 262, 265, 267 302, 305 or 307 327 350 400 Oct 22, 2022 · Chevy carte motor casting number 10066036 how much power it puting out What year 350 Chevy engine with casting number 10054727? 350 hp Chevy engine small block made in Canada! Jul 22, 2006 · According to this website its a 4 bolt main, 350 built in 1994, as a Goodwrench Crate Motor, Mexican. Use these casting numbers to identify the heads you have. Installers & Resellers. Small Block V8. at . 94 intake 1. is online now. Production years 1984 thru 1996. There are dozens of numbers used from 1955 through the ’90s, but there are a few standouts that indicate a performance engine. Main Journal Type: Chevy 350. 290 HP @5100 rpm 326 ft. 10-14-17 10:17 AM - Post# 2710832. The stamped number will not show up in any of the reference guides because this is not an original equipment engine, it is a replacement. H04 12587265 on a sticker serial number stuck on the sump. 420 . Sufficed to say I’m kinda skeptical that that’s even a good sign; the wording & numbering is pretty rough compared Page: [1]Loaded in 8 ms. The # XXXXX the back of the engine block is 10066036. Location. I am trying to find out what year it is so I can purchase replacement parts for this engine. so the front of the block is M10139VP and the back of the block bye bellhousing is 10066036. A. 35080-842 330817. Get one of our V8 engines with a warranty shipped fast to your door. 383 is a modified enginesince it's not stock, you need to learn to "read" spark plugs. Mar 15, 2015 · Engine Code Stamping Numbers. Specifications: 4 bolt main with 2 piece rear main seal. Sep 9, 2010 · Block -part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main Crankshaft- # 3932444 Nodular Iron 1985 and older flywheel bolt pattern. no. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 7, 2005 · 12,561. Honestly, I don`t like these blocks, some have problems out of them and some don`t, some liked to crack while others were just made of poor materials and workmanship. engine has approx 30,000 miles on and runs good no noise Submitted: 14 years ago. Hecho en Mexico (made in Mexico). I am planning on putting it in my 86 k20. Sep 4, 2010 · If you can pull the head casting numbers you will have a better idea of what you have. 300" deck. 94/1. #3. Mar 28, 2009 · 55ChevTruck Discussion starter. Trending Questions . 383/401 lift and 112 lobe seperation,cast iron76 cc cylinder heads,4qt. Oct 22, 2022 · My block casting numbers are 10066036 Is this a LT1? Answer YOU WILL SEE CASTING # 327 IF IT IS AN LT1That engine isn't a lt1 it is a gm goodwrench crate 350 with 2 or 4 bolt mains made in Mexico. Oct 23, 2009 · what year would block casting #10066036 be and would it be able to handle 435hp edelbrock performance top end kit. It has a 2 piece rear main seal. P. Chevy Intake Manifolds. 350 ft. 10066036. Small blocks. I hope some of this information is helpful. I am looking to build this motor up not for dragstrip but around 360hp 375lbtorque I putting parts together so far I have the stock pistons,crank I have edelbrock rpm performer intake, comp cams xtreme energy 268h dual pattern flat tappet hydraulic cam, hollet 750-cfm carbmy question I have a pair of lt1 heads from 326 ft. One year warranty. block manufactured concurrently in the same foundrys as the 3970010 ad 3970020 blocks. 350 Jan 5, 2011 · The 1. 1973/8 450sl 1966 Lincoln Continental, 2008 Lexus LS600h, 2010 Tundo RW. Is there any advantage in using the Mexican late model 2 piece seal block ? if so, can anyone let me know details Mar 4, 2020 · Engine Casting number GM 10066036 “HECHO EN MEXICO” Block stamp on front of engine: 1M0218 9VP What I found on internet so far is Chevrolet small block V8, 350, 4 bolt, Goodwrench crate engine, 2 piece rear seal. 8 = Year of the decade (8th year of 1960), 1968. Customer: date of manufacture of chevvy v8, casting number 10066036 eng no v121771a. 383" Exhaust Lift Mar 26, 2016 · The Engine Block Casting code is one of the best ways to identify a Chevy engine block. OK, I've Jan 22, 2012 · GM Target Master 10066036 - New Starter. I removed a chip from a mold seam line and performed an SEM/EDS analysis on my 3970010 010, 020, 509 block and discovered that it contains no measureable nickel or tin. should have a 2 piece rear main seal in it Feb 20, 2010 · 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 ofthat particular crate replacement motor. 222/. cast. Every site I have looked at the year is always blank for 10066036! And the 9VP, VP is not in any codes either. High Volume Pump Oil Pump- part # 12555284 Hydralic Flat tappet Camshaft- #14088839 May 6, 2015 · GotGrunt Discussion starter. #4 · Aug 29, 2004. 1968 Camaro SS 396 coupe L78 - now old school 468 big block. 2 355909. 526 posts · Joined 2011. #1 · May 6, 2015. The casting number is 10066036 and I know it is a Mexican casting block. Common casting numbers for performance engines include 3970010, but ours reads 3956618, another great number to put in your memory bank. High Volume Pump Oil Pump- part # 12555284 Hydralic Flat tappet Camshaft- #14088839 Intake Lift-. 442 lift, this cam will help torque and likely mileage also. 350 Crate Engine. Another request- look for a casting date on the heads May 18, 2020 · I appreciate your patience and will provide responses as soon as possible. Notes. 75. According to Mortec. There are not any other numbers that are close to 100b6036. Nov 26, 2007 · Ask Your Own Chevy Question. Details for 10066038; Manufacturer: Chevrolet: Category: Engine Blocks: Type: Small Block V8: Date: 1994: Notes: 350, 4 bolt, Goodwrench crate engine, 2-piece rear seal Chevy Mechanic: Mike S. Like. Some people say this motor is clocked differently like at 12 and most 350s are Feb 28, 2013 · Often times these cast numbers are easy to mis-read. 4. 350 cu/in block used in GM Goodwrench Crate Motor. Aug 20, 2005. Small Block Casting numbers. Oct 23, 2022 · Most Chevrolet engines are listed there. Complete list of GM SBC block casting numbers Chevy 140029. ( These Numbers obtained with a Holley 600 CFM Carb,1 3/4" headers , and an Edelbrock Performer intake part # 2101) (1 5/8" headers will work fine with this engine. 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. We want to EARN your business for LIFE! USA. Hi Roger, This casting number was for GM trucks in Mexico between 1980 to 1985. I was told that all I need to do is change out the flywheel with an aftermarket one. and actually i cleaned it better and it turns out it was an m not an a. 5:1 Compression 2 piece Mar 18, 2013 · I just read your answer on gm block 10066036. Small Block Chevy Crankshafts All crankshafts have a casting number located on one of the rough finished throws or counterweights towards the front of the crank. 222 dur. Mortec says '72-'73, but I'm fairly certain I've seen these heads used in production on later engines. Here's the link. Powdered Metal Connecting rods- # 10108688 Cast Aluminum Pistons-#12514101 G. Look above the casting numbers and you`ll see "hencho en mexico" meaning made in mexico, this is a target master 4 bolt main block. Sep 21, 2023 · Gm casting number on block 10066036 what size is this engine? 350 cu/in block used in GM Goodwrench Crate Motor. I have a crate 350 Chevy engine that I need an new oil pan for. 460 lift. What year is Chevy block casting 10066036-m11291vp? Feb 3, 2013 · The 10066036 casting number blocks were used for replacement GM 'Targetmaster' engines. 10066036 is the casting number and that is for 1986 and newer, I think. From the Engine Assembly Code you posted, 1M0521 4VP; 1= Chevy, M = Mexico, 0521 = May 21 (assembly day), 4 = 1994, VP Engine Suffix Code = 350 CID, 260 HP. seal, Hecho En Mexico. It is a block number 10066036, made in Mexico block. Chevy carte motor casting number 10066036 how much power it puting out. 45" main journal sizes splayed caps dry sump 2-piece rear seal 9. kenbob26 said: ↑. From what I can figure is that it was assembled in Mexico . Jun 13, 2018 · I have a choice of 2 clean std bore blocks to use for a 383 mild street build max 500 HP, 1 is 3970010 4 bolt with good sonic test etc. Now normally the first digit refers to the manufacturing plant, but since this is a crate Nov 13, 2008 · date of manufacture of chevvy v8, casting number 10066036 eng no v121771a. I have a gm goodwrench 350 10066036 i purchased barely used with a damper already on it. traded for a rat rod this last weekend and the engine code is 10086036 0r 10066036. Oct 28, 2012 · Sounds like a Target Master/Goodwrench crate motor engine code. You could add a small cam such as the summit cam with the same specs as the edelbrock performer cam, 204 214 duration @ . lbs of torque @ 3750 rpm Block: P/n 10066034, casting # 10066036 2 piece rear main seal 4 bolt main Camshaft- p/n 3896962 Hydraulic Jul 22, 2011 · Chevrolet Block Casting Number Reference. 5:1. 190" bores 2. Date. Product Line: Chevrolet Performance Small Block Bare Engine Blocks. This entire high nickel block legend is a hoax. In reality the # used in any engine is a starting point for experimentation. Number Engine M-Blts Year Description. -part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main. Ford Casting Numbers Explained. 10066036 350 4 Crate Motor, 2 pcs. Other one is GM Goodwrench Mexico build 10066036 4 bolt with little use, not yet sonic tested. The compression ratio is 8. 10066036 Small Block V8 350, 4-bolt, Goodwrench crate engine, 2-piece rear seal. 47" stroke • Small block Chevy high nickel myth busted! I work in a materials lab for an aerospace company. Mike S. This was the LJ cast crank engine, had no damper bolt holding the damper on. I was Apr 13, 2013 · What do the casting numbers 10066036 mean? its a 350 crate moter gm goodwrench built with 250 hp its a mexican moter built in 88. You may also see a raised casting on the block or heads of "Hecho en Mexico" which means "Made in Mexico". Sep 27, 2010 · from Everett, Wa. Hide Comment (1) victor draby ∙. This Casting number is usually found at the rear of the block on the … Chrysler 383 Engine For Sale Crate Motors Gmc Truck GMC CK pickup 5. Feb 13, 2013 · If anyone is interested in what the 509 represents, it's the last three digits of block casting number 3951509 which was a 400 cu. 5" exhaust valves can have 3/8" stems. 050, . . 383" Exhaust Lift 10066034. The universal 350 does use the block casting you mention which is a 2pc rear main seal block with 4 bolt mains Cylinder Heads- part # 14034808, casting #33417369. Engine consists of the following parts: Block -part # XXXXX casting # XXXXX 2 piece rear main seal 4 bolt main Crankshaft- #(NNN) NNN-NNNN Nodular Iron 1985 and older flywheel bolt pattern. This is an old GM goodwrench crate motor. I've looked for several hours and have gotten pretty frustrated. #471598 is the part number I believe. GM 10066036 on the block. 5:1 compression ratio. Cannot narrow it down beyond that. M. Two types of crankshafts are offered, cast nodular iron and forged steel. it can be either a 2 bolt or a 4 bolt main. 50 Head# 33417369 76cc combustion 260HP/350TQ 8. oil pan. Oct 13, 2023 · what year would block casting #10066036 be and would it be able to handle 435hp edelbrock performance top end kit. 2,506 casting numbers in the database. can tell you where ,and when the block was made. We Specialize In: to Email our Sales & Tech Staff. I have a crate 350 myself and someone had machined that number completely off. So, yesterday finally got around to degreasing & finding out the casting number of my small block, which is: 10066036. These are metal core with a very thin blue coating. Category: Chevy Jan 26, 2024 · Goodwrench/TargetMaster 350. I pulled a set off of (what I believed to be) an original '77 Blazer. Begin with factory plug, If too white or too black change heat range 'till you find a # that gives mostly white porcelan with light tan tinge. com 10066038 is a 4 bolt 350 Goodwrench crate motor made in mexico in 92. Use these casting numbers to identify the exhaust manifolds you have. Internal parts were originally; Block = part # 10066034, casting # 10066036 - 2 piece rear main seal 4 bolt main May 7, 2017 · bartmcneill said: ↑. Manufacturer: Chevrolet Category: Engine Blocks Type: Small Block V8 Date: 1962-1967 Notes: 327, 2 bolt, recessed oil filter boss Engine consists of the following parts: Block -part # XXXXX casting # XXXXX 2 piece rear main seal 4 bolt main Crankshaft- #(NNN) NNN-NNNN Nodular Iron 1985 and older flywheel bolt pattern. Jul 1, 2012 · Block -part # 10066034, casting # 10066036 2 piece rear main seal 4 bolt main Crankshaft- # 3932444 Nodular Iron 1985 and older flywheel bolt pattern. I have no documentation though that says if they were only sold in Mexico (in trucks) or the engines were made in Mexico. SBC Bare & Short Blocks,Chevy Small Block Bare & Short Blocks,Chevrolet Bowtie Sportsman Small Block Chevy engines, Blueprint 383, 350, 400 Small Block engines, BP383. 4 posts · Joined 2009. Thanks! Aug 2, 2005 · They came with 993 casting heads also made in mexico, which are large chamber 76cc 1. I put well over 50K on it in various vehicles until it was finally sold and I lost track of it. Hi Roger, This casting number was for GM trucks in Mexico between 1980 to Ford Block Casting Numbers. Added to DB. 6 cylinder engines are stamped on the passenger side of the block behind the distributor. 025" deck. 00"-4. 450/. hj eg sm vu lh pu dp qe ag dg