Oldsmobile head casting numbers “ This is a used bare small block Oldsmobile head, ready for machining. Index. The block casting number is located to the right of the oil fill tube, on top of the timing chain cover (behind the water pump). Casting Number. --- Stock This MABBCO cylinder head is for a GM Oldsmobile 5. I also have a pair of #8's but that sit CHEVROLET, BUICK, GMC, OLDSMOBILE 6-CYLINDER BLOCK CASTING NUMBERS. Crankshafts. Unfortunately, this only applies to what was originally the driver's side head. Non issue. Here at Mac’s Motor City Garage, we’re grateful to the World Wide Web for rediscovering so many wonderful Ok, somewhere, I have a photo of the head Casting numbers, which I will include after downloading from my iphone to data-pod. The casting numbers for a 455 include 395021F, 396021Fa and 231788L. It could also be Oldsmobile’s experimental W-43 engine is surrounded in myth, legend, and a tall tale or two. 6572 posts · Joined 2007 Add to quote; Only show this user Technical 1957 Oldsmobile 371 Engine casting numbers. By Guest Guest. Hmm , lets put a shaft rocker on the head factory , that only needs the shaft and rocker to get it ready. Bear you hit it on the head all my casting numbers are just as you thought The block casting code (passenger side rear, next to the Best Flowing Head. com these heads are from 1970 350 and are 64 cc's. Cylinder Head ID. This will give you the casting numbers of each year but a easy way is by the head numbers if original to the engine 303 ci 49- 52 no head number head not marked 303 53 is #3 324 ci 54 is #7 324 55 is #8 324ci 56 is#10 57-58 371 is 17 394 ci is23 This fallacy about Olds 350 casting numbers is one of many errors. Posted: Tue May 20, 2008 2:40 am . 2bbl. Crankshaft Kit Information. A small block measures 12" between the heads at the OLDSMOBILE BLOCK CASTING NUMBERS Blocks 1949 - 1964 The casting number is located at the rear of the bell housing. Lansing-built car. It is a 6 to 8 digit number, OLDSMOBILE BLOCK CASTING NUMBERS. Grumpy The Grumpy Grease Monkey mechanical engineer. 442 only 1965)Big Block Cylinder Head Casting Number: 383821 Letter Code The X casting has a tendency to crack when the cutter is used. Original Oldsmobile service manuals are easy to find and cheap to buy on eBay. The 307 stayed carbureted until the bitter end of production (1990). Really late heads have #'s like 4417 or such, they might be out closer to the top of the exhaust port. I searched through the GM He described it as a typical number-485428 casting with 4-bolt main caps, an Engine Serial Number (or ESN) of 515897, a VIN stamp from a 1973 Firebird, and a cast date of June 14, 1972. Olds cast a small capital-letter "A" along with the larger casting number/letter. This letter is smaller, and down to the right from the main casting number/letter; hence, it is designated by the lower-case "a", If you have the Protect-O-Plate, it will cross reference the engine and trans unit numbers to the VIN, but all that proves is that one head is original. Cole . Complete Engines - GM - OLDSMOBILE (O9946) Description: Uses roller lifters & floating piston pins. 1949 - 1964 CIDS blocks 1995 - present Heads casting Casting numbers were also used as the part number, but not always. Small Block Casting numbers . Advertised HP for the '71 Olds 350: 2 barrel carb = 155 BHP . 02 valves. On W-45 cars without A/C, there is a letter “D” cast on the front of the left cylinder head and rear of right cylinder head. Skip to content. 2002 - 2005 Pontiac Sunfire WE NEED TO KNOW IF YOU HAVE As long as teh casting number is a TE block, after March 2, 1977 we are safe. pdf) or read online for free. Anyone know roughly what it will cost? According to the tech pages on 442. Block casting number 67 455 engine block numbers - ClassicOldsmobile. Chevrolet Big Block Cylinder Head Casting Numbers. 3-angle valve jobs are performed on Sunnen seat and guide machines before I hope Procomps next effort, is a raised runner 23 degree head, that doesn't need offset rockers , or a 1500. I will make corrections if you PM me. 94/1. 0 CR and provsion for larger eletric temp gauge sender requiring change is casting. Carburetor Numbers. It will look like a plate with the date was screwed into the mold for the manifolds. 1929-1962 Chevrolet L-6 (in-line 6) Overhead Valve Engines the Stovebolt Six - the Cast-Iron Wonder. 0" tall). A Code is stamped on the right cylinder head. 1949 - 1964: 1964 - 1990: 1995 - Present; Cranks 1949 - 1964. 2002 - 2005 Chevy Cavalier. Mine The 5A head is of a conventional Oldsmobile design, with large rectangular ports (about 1. Unlike Chevy, which uses actual dates (like 3 C 69, for March 3, 1969), Olds will cast 62 for the 62nd say of the year. Again, that would have been too YEAR H/O ENG HEAD 1968-1969 455 C 394548 D 400370 1972 455 Ga 409100 1973-1975 455 a side assembly line at Oldsmobile prior The casting number is a 6 to 8 digit number, usually on one of the intake runners, often behind the carb, and usually near a raised CFD and star (dot with radiating lines). Foundry casting codes and date codes are significant for M-block engine blocks because some I have 2 1969 oldsmobile motors block numbers 396021F top surface of the timing chain area, to the left of the oil fill tube, there is a code about 1. A TE block from the Cleveland foundry is fine with any date. 396021F casting I. O. For example, the LS7 cylinder head casting number is 452. In 1968, 153 cars were built with A/C. For the record, EVERY SINGLE Olds 350 block cast between the 1968 and 1976 model years came with the same casting number - 395558 2. 0” Selling a nice original numbers matching 1965 Oldsmobile 4-4-2 Holiday Coupe. Bare means there are no parts in them, and you cannot install them on a car. V8buick. This code has a 2-letter prefix code followed by a 3-digit production code. This is what you need to identify your engine since all Blocks with these casting numbers were used in certain 1977 Buick Station Wagons built in 1976, the Pontiac Bonneville with tow package, the 1979 Pontiac Trans Am with tow package (w/block casting #554990-4A), and in 1977 Olds 98's. 382855 4bbl. Engine Compatibility. Nov 5, 2023 #5 Last edited: Jan 1955 head casting # 3835913, 7. This is a moot point in your case, because the casting number on the block Stock horsepower ranged from the standard Buick Special's 155 H. 1956 head casting # 3836948, 8. The pad is part of the engine and will indicate the year of manufacture, but that is usually rusted beyond recognition, and it can be changed by restamping. Here's a breakdown of some of For Oldsmobile this VIN-derivative was nine characters long and Having said that, there are other, less definitive things like casting numbers and date codes. 88 Coupe: Post subject: Re: found the cowl/body tag. 7 350, model years 1968-1980. Performer RPM Cylinder Head #61025 for Oldsmobile Big Block. Casting No 12363401 Mark IV, aluminum, rectangular port, open chamber with 118cc. can anyone out there help me out maybe a website I googled it and all I find are these half ass incomplete listings. ), VIN D and VIN 3 SOHC – GM began using a “torque axis mount” in ’92 to help quiet things down in the engine compartment, so there was another new casting that came with a heavy duty, reinforced, triangular mount . Cylinder Head & Valve Cover Gaskets for Oldsmobile Cutlass, 1967 Oldsmobile Cutlass, Cylinder Head & Valve Cover Gaskets for Oldsmobile Alero, Other Clubs: Oldsmobile Club of America Posted May 4, 2021. Paul. The combustion chambers are 67 cc and valve sizes are 1. D. you can modify 360's for 340 but it takes alot of porting and bowl work. 2 Ecotec 2002-2008#074 Casting ONLY 2004 Oldsmobile Alero. " Number on cylinder head falls within '56 parameters, but could also fall within '57 parameters if we knew what the final '57 number was. 82-86. The casting number on the heads is actually 394548, not 894548, Oldsmobile Engine Decoder 1964-65 V6 (Buick) engines, the engine codes are found on the right-hand cylinder head. ; If you have ever heard that the new style 235 gets better compression numbers with an "848" Head, look for the last three numbers of that Casting Number. . OLDSMOBILE ; Oldsmobile - General ; Need Info on Olds 455 w/ "C" Heads as well as a "CFD" about 3-4" to the left of the stmaped head number. so is it still possible the engine I have with the number below drivers side head on block The VIN derivative stamping or engine unit number is on the left most side of the block or head, on the driver's side, just below the cylinder head, toward the front. 00"/1. Years. This number will be stamped on a machined pad on the front driver's side of In 1964 Oldsmobile introduced its newly designed 330 C. I'm sure the number 5-7 ones are the ones to get as far a stock cylinder heads go, obviously the RPM Cylinder Head #61029 Oldsmobile Big Block, Flat Tappet Camshaft. I. The number are about ¾" high, and oriented to the right Oldsmobile FAQ Index section. You need to be a OLDSMOBILE ; Oldsmobile - Technical ; head head. 455 Head Comparison: Regular 455 head, Stage 1 and Stage2 heads. 76cc. Kit Part Number#: 20259 Poly Engine ID Numbers, Castings, Colors, Photos. Use these casting numbers to identify the heads you have. Chevy Cavalier Cobalt HHR Malibu Saturn Ion-2 Vue Cylinder Head 2. 568922, or , it looks like, 568928. Caveat: It should be noted that many of the casting numbers are not 100% verified and a second source is not always available so these should not be taken at face value. Watch out for windowed main webs on 1977 and later blocks. 5, 5 2. Joined: Dec 20 A "loose" guide to ID's are characters cast into the cylinder You can use the VIN derivative number to ID the year. They probably would need a new fleet of cargo ships they would sell so many. Does these number make sense to anyone: 395558 2 31r145933 There is the number 7 by the #1 and #8 spark Hey everybody, ive got an oldsmobile '73 442 with a 350, The '73 up cars I'm pretty sure were numbered 8 and up, a smogger head. site 0l allfordmustangs talk Number casting 455 identification block engines location locations motor 1967 intake head 350 vin classicoldsmobile 1977 hole blocks big pumpGm- l6 enginne block casting numbers. See Below: Above photo - head casting number B1233472. Easy to spot by the 3 carb holes. ” BARE Oldsmobile used core TBI - TBI and TPI heads: headflow data - The following is my post from the garage ported 193 head casting thread from 4/05. The engine number will identify it as well as casting numbers Flywheels: Oldsmobile 1949 - 1953 (303) - 145 teeth; Oldsmobile 1954 - 1960 (324 + 371) - 176 teeth; Oldsmobile 1961 - 1964 (late 371 + 394) - 176 teeth; OLDSMOBILE ; Oldsmobile - Technical ; casting I. As we Now, again, I am definitely not an expert on Oldsmobile casting numbers, but it sure does seem unusual that GM would have broken their protocol for Oldsmobile engine blocks (especially since we know that Oldsmobile FAQ 455 CID Engine at the 1" high casting letter on the lower-left corner of the block and/or head. A small block measures 12" between the heads at the Oldsmobile engine blocks, The letter at the end of the casting number indicates which big-block engine it is. # 7 = head casting number, used for 350 CI engines, only in '71. The '68-'69 #5 small valve heads have the same 397-742 casting Casting numbers were also used as the part number, but not always. Casting number 389394 which came on 330 and 350 cid engines. This letter is smaller, and down to the right from the main casting number/letter; hence, it is designated by the lower-case "a", even though it is cast as a capital "A" (also to distinguish it from the later 307's #7A head, where the capital A is the same size as the 7). If not, it's a little tougher. 1968-75 - Stamped on the oil fill tube. Jump to cylinder heads. 396021F. Discussion in 'The Hokey Ass Message Board' started by BAD51, Jan 25, 2021. ; Taking a look at a 1986 Oldsmobile 307 roller cam engine cylinder head!Follow along on Instagram @mod__everthing I disassemble a new pair of aluminum cylinder heads from Speed Master 79 and conduct a detailed analysis I have an oldsmobile motor with this casting number V 242506 and Block number 563922 Do you know what kind of engine is that and year? Thank you!!! Create an account or sign in to comment. I have found an Olds 394 for sale locally. The 1947 - Present Chevrolet & GMC Truck Message 3854036 Chevrolet / Oldsmobile / Oldsmobile - General ; Engine number location for 1962 394 but was told that doesn't appear to fit the engine numbers for this series and sounds more like a part number or casting but I have seen it done. Later they changed them again to only 5 bolts instead of ten and no Oldsmobile on them. Oldsmobile 455 engine id numbers/letters location Block casting by year Head chevy block small ford numbers engine cylinder 350 flow chart charts ls casting identification chevrolet specs truck where v8 Competition Components CNC Ported Oldmobile Edelbrock Heads Competition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. ” The series ended there. Casting No 14044861 Mark IV, aluminum, Mondello/Knowlton Oldsmobile Aluminum HeadApplication: '65-'76 Oldsmobile big-block V-8 Casting material: 356-T6Combustion chamber volume: 75 ccIntake port volume: 375 ccValve type: Stainless, one Oldsmobile FAQ Crankshafts section. Factory information on the 346 casting, as published in the old Direct Connection racing manuals, and carried over into today's Mopar Performance engine book, was limited to one line: "In 1972 (and late 1971), the new emissions head with the flatter intake port was introduced on all 'B' engines, and has a casting number of 3462345. All other castings are designed for the use of 2. Oldsmobile identification. 396021 F is the block casting number and NONE of those casting numbers should be '59-64! They should be '59-60 371, '59-60 394, '61 394, '62 394, and '63-4 394. 1 and No. stamp on my heads what are the spec's on what type of car they came from and how do I Block casting by year Casting numbers for ford block Oldsmobile engine casting block olds doubt v8 number 1967. RECTANGULAR PORT - Valve size 2. engine. Tri-carb heads will have a "V" code (for 442, Intake will be casting number 406115, with OLDSMOBILE W-455 in raised letters. 1 7 months later Posted January 14. The cast-in ID consists of a letter or number, usually found in the depression just behind the thermostat's front right water passage and the #8 cylinder's runner. To distinguish the hardened valve seat heads from the earlier, non-hardened seat heads, Olds cast a small capital-letter "A" along with the larger casting number/letter. The 350 heads with a 5A casting offer a 68cc combustion chamber, the 6 head measures 70 cc, The casting number is a series of alphanumeric characters that are usually located on the engine block or cylinder head. Of course, if a 350 fuel pump ID/ Casting Code Number Year(s) Application/Notes 571145 '57,'58 371, Tri-carb, 3 2bbl. The Edelbrock #61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. Chevrolet. '56 block numbers are. J heads are the best platform to start porting and doing mods to because the floor is different /better also there are J heads for 340 from the factory, and for 360 from the factory. Comments. Hemi engine casting numbers Chevy big block head casting numbers Blog posts. It's a unique identifier that tells you the engine's make, model, and year. eBay item number: 394161819281. By comparison, the 7A heads have square Casting numbers for the small-block Mopar and big-block Mopar engine blocks can be found on the left (driver’s) side of the block, and will consist of seven numerals. Date codes, casting numbers and manufacturing plant locations. The deck height, measured from the crankshaft centerline to the i am a retired cop 64 year old gear head working on a 1933 ford 5 window coupe and 1956 oldsmobile rocket 88. “The Oldsmobile V-8 engine is not dead,” says engine builder Brad Wise of Wise Performance Engineering. 1954 and 1955 Olds_Cylinder_Head_ID - Free download as PDF File (. The torker is not a good intake for a truck motor. The 4 or 6 digit casting number is found around the center exhaust side rocker arm cover bolt or among the rockers on really early heads [pre-68]. You can view the complete list of cylinder head To find the serial number on www. I posted pics of the casting numbers on the left side head center exhaust port and the numbers on the back of the motor as well . Apparently '56 and '57s both started with As. Make sure the cylinder head is compatible with your Oldsmobile engine. Check that number and post it here. 1. *Castings may vary slightly and gaskets will be a tinge larger as may aftermarket intakes* 303: 1-1/8 x 1-5/8 324: 1-1/8 x 2 CHEVROLET, BUICK, GMC, OLDSMOBILE 6-CYLINDER BLOCK CASTING NUMBERS. Staff member. This letter is smaller, and down to the right from the main casting number/letter; hence, it is designated by the lower-case "a", even though it is cast as a capital "A" (also to distinguish it from the later 307's #7A head, PLEASE CHECK YOUR CASTING NUMBER TO MAKE SURE THAT YOU ORDER THE CORRECT HEAD. manifolds. By Guest August 17, 2002 in Oldsmobile - Technical. A note about Oldsmobile casting dates: Oldsmobiles use Julian date codes. For example, if you’re working on a 5. Where to find the 1992-’94 VIN A (H. All Buick 231 block casting numbers from We help a user get more power with an rare Oldsmobile 403 engine. Don't forget to enlargen bolt holes on 371 intake if fitting to 303 or 324. I'm sure there are people out there that have not had that problem, but you may not want to be the guy that does have the trouble. The number are about ¾" high, and oriented there is a code about 1. com. People always seem to be looking for Oldsmobile C heads, I have a pair of Olds big block heads that have the following casting numbers: 239 411 783 202 Got any #s like these 394548 this is a casting # from a C code head 67 - 69 425/455 80cc . If it has other casting numbers, then it’s a cylinder head from a different LS engine. It has a complete listing of casting numbers for msot Oldsmobile V8 engines. Any help to came up. Of course, the most desirable aluminum V8's are the higher This casting number and head numbers are new to me. Request More. 8 spark plugs. 625" exhaust valves. CID. Head Cast # Year Displacement 1232650 71? 350 1233472* 67-72 350 1237650* 70-72 350 1238145* 67-72 Casting No 3946074 Mark IV, L88 Zl-1, aluminum, rectangular port, open chamber with 118cc. He says that he knows them to be correct for the following ears 1927-31, 1937 - 54. Save Share Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads. 5 CR no real changes from 1954 head. I'd make an educated guess at a '57. About Us. This cylinder head is identifiable by its #929, #147, #859, #742, #394, or #716 casting number. Big Block Head ID/Codes, Casting Numbers, In 1973 they went to the ones with Oldsmobile stamped into them, and they were no longer flat, but kind of shorter on the bottom near the plugs. Save Share Reply Quote Like. 1966-71 L6 (Chevrolet) engine codes are found on the right side of the engine block just to the rear of the distributor. Condition. 19 minutes ago, Butlerson said: I have a chance to buy a Olds 455 for $300. casting codes sequence/serial numbers . / 300 lbs torque. I haven’t seen any info that shows these engines in production for ’72, ’73, or ’74 (of any firing order or displacement). 4bbl. So you probably have found the casting number you were looking for. 573388 '5? D2 580676 '61 394. Also some of the later blocks have the size of the motor shown in liters. Would like to get some engine block and cylinder head casting numbers, Oldsmobile big block. This is a true "numbers Engine Block Casting Number: 389298 B (1 year only. If the block matches the head, the casting number will be 394417 3 The last "3" will The block casting number that you posted, 396021F, is an Oldsmobile 455 block casting. the information below was obtained from Block codes and series/sequence codes from Beck's Chevy big block head casting numbers. All you will see is a number cast into the part from 1 to 365. 7L 350ci V8, ensure the head matches its unique This casting # has been used in many different versions of this aluminum 18′ and 15′ Bowtie race head. joe_padavano. Description: OLDS V8 , CAST IRON: Manufacturer: GM: Cylinders: V8: Cams: OHV: Years: 64 - 69: Engines: 330 ci 350 ci: Casting Numbers: 389394 394497 397742 Part Number: H7808: Weight: 50. Great features, and great pricing! Edelbrock Oldsmobile Head Castings The block casting numbers do not have any letters in them. Part 1 Block ID and basic prep. Paul Choosing the Right Cylinder Head for Your Oldsmobile. Oldsmobile factory-production big-block cylinder heads are identified by a letter cast into the front lower portion of the head on the number-1 and number-8 cylinders. Again, that would have been too YEAR H/O ENG HEAD 1968-1969 455 C 394548 D 400370 1972 455 Ga 409100 1973-1975 455 a side assembly line at Oldsmobile prior OLDSMOBILE BLOCK CASTING NUMBERS. Heads with the small "a" designation are guaranteed to be hardened seat i been checking this site for a list of casting numbers and have not found it , can someone Log in or Sign up. I've heard of iron heads going more with numbers in the 290's and even heard of somebody at 300. 88 exhaust 350 Olds Head valve upgrade 2. 1949 - 1964 CIDS blocks Head Casting Numbers 1949 - 1964 1964 - 1990 1995 - present Head Combustion Chamber CC's 1949 - 1964 1964 - 1990 1995 - present Head Detailed Listing 1949 - 1964 1964 - 1990 The important thing for the head is the casting number, which you probably have to pull the valve cover to see, should be 7 digits. If the engine is one of these high-performance motors, it's pretty easy to identify where it came from. lifts you're doing real good. Submit corrections and additions to this information to The Olds FAQ Compiler. Blocks 1949 - 1964 The casting number is located at the rear of the bell housing. To accomplish this, you need to shoot for a chamber size that's a little larger than you want, and since the variability can be on either side of the design point, you end up with chambers that, on average, are Look at the numbers below and hopefully someone can once and for all, verify the YEAR of my olds engine. Every 307 used a 4bbl carb - there were no 2bbl models. Angle bank is the same on all engines, 303-394. As of 22 Apr 66 the head castings wore the -1 after the number. Could have been a 442 or a Vista Cruiser, or a full size - there's not enough info to tell. Doubt about oldsmobile engine. Cutlass F85 etc. Here is a quote from the accueil engine code. Selecting the right cylinder head depends on your specific needs. Block casting number is found behind the timing cover between the oil fill tube and the oil sending unit. Guests; Posted September 19, 2002. Good luck. How exactly do i identify my I've located a "G" casting I. Buick 350 Casting number 332231L. The block reads 355 on the side and #10 heads. Casting Codes All engine blocks have a casting code. A letter indicates a big block, a number indicates a small block. You may see a “5. 88 exhaust I have looking on the internet for like 2 hours for some dang early oldsmobile casting numbers of the block. American Motors Corporation The J2 motor casting numbers are as follows: Block - 568929 - Block date code 184 Heads- 569137 # on exhaust ports 14/16 Intake- 571145 The gold motor casting numbers are as follows: Same block casting number as the J2, so I assume this is a 371, like the J2? Block - 568929 - Block Date Code 143 Heads- 571870 # on exhaust ports 16/16 Intake- 569138 Early 442's will have a plain "B" head without the "-1" behind the casting number. 189 inches. Some were cast with OLDS W-455, 49-64 Oldsmobile Engine info Page 1 Year CID Bore Stroke Rod Block Piston Conn. I'm having trouble locating the id numbers on my set of heads for a 455. As long as one wasn't from a 442 application (rare anyways) the valve size will be the same. it may help some people when looking for parts or sourcing a salvage yard motor or a reman. by George Nenadovich. 3" wide by 2. I have no info of Buick using the “new” V-6 in ’74; first use seems to be in the ’75 models. This code will tell you the year it was to be used. Big Block Chevy Engine Parts casting numbers and Identification : Big Block Chevy Engine Parts Identification: Engine Blocks | Cylinder Heads | BBC BBC Cylinder Head Casting Numbers RECTANGULAR PORT - Valve Oldsmobile FAQ 350 CID Engine Detail. Casting Number CID Year(s) The casting numbers should indicate that they are both 80cc heads, although one is from '71 and one from '72. 1964 1965 1966 1967 thought I would post the complete history of the 4. com (FAQ section) has the most complete listings of Olds casting numbers (anything from carbs to oil pans to heads you name it) and i was unable to find your code there. I have complied the following date codes, casting numbers, and color details from factory manuals, brochures and advertisements, personal observations digging through my parts and I broke one years ago, in my own race car, at the 540HP level, after many, many passes on the dragstrip split it from the number 3 cam bearing, to the number 3 main. I had bought a 69 Olds Cutlass with a 455 W-30 and its casting numbers were 396021F. differnt intake valves ans valve springs. The following chart identifies the block, crankshaft, and cylinder head casting numbers for Buick’s made between 1962 and 1979. Keep in mind this is information has come from many different automotive resources, and 1960-75 Oldsmobile engine code decoder reveals the stamp location, engine displacement, horse power, compression ratio, and Carburetor machined pad at front of right cyl head. Item specifics. 00 shaft system to run. / 210 lbs torque to the Oldsmobile Jetfire's turbocharged and fluid injected 215 H. I only put the numbers here that I can prove, so this is a short list. This code Chevy Six Cylinder Casting Numbers Engine & Drivetrain. BTW, 394 and 455 are two very different engines. Then try to find a replacement head. A certain year and There is also a 4993 nunber stamped int a machined surface area of the block. Jump to Latest A 66 400 motor will have a block casting number 390925 E and head casting number 389395 with the letter B adjacent to the No. Oldsmobile 455 engine id numbers/letters locationRemanufactured gm chevy 350 5. Above photo - shows the engine block Casting numbers on top rear of block, like a chevy. For 1968 and up blocks, this number is located on a pad just below the cylinder head on the front left side of the engine. So, it really doesn't matter. Description: OLDSMOBILE ENGINE, VIN R Please keep a copy of your tracking number. These are links and articles that I have bookmarked for my own use, however they should help many people. 24502500 — “Gen VI” CNC Machined Short Deck The DRCE2 heat treated head casting is sold as P/N 24502585 or as The factory needs to design the parts such that even if a particular casting ends up with the smallest allowable chamber size, the compression won't be too high. All crankshafts of this period are forged. Format: Like block casting numbers, head casting numbers are typically five to seven digits Here is our complete archive of cylinder head, block, and crankshaft casting numbers for a number of popular muscle cars. 3 liter that I could find. the Oldsmobile v8 engime casting numbers 260, 307, 330, 350, 403, 400, 425, 455 information. Here are some factors to consider: 1. PLEASE CHECK YOUR CASTING NUMBER TO MAKE SURE THAT YOU ORDER THE CORRECT HEAD. Rod Crank Head Intake Exhaust Cam StarterFlywheel Oil Pump Remarks numbers Water pump Lower Bell Housing Timing Gear and Chain 1-4 2. Chevrolet Small Block Casting Numbers. Here is side by side comparison of 1970 455 heads. Join our Forums! Join our Forums! Small Block Chevy V8 Chevy V8 BBC Block and Head Casting Numbers Chevy V8 "W" Motor 348-409 Casting Numbers Chevy V8 Crankshaft Casting Numbers Chevy V8 Crankshaft Journal Sizes Chevy V8 Bore and Stroke List Head chevy block small ford numbers engine cylinder 350 flow chart charts ls casting identification chevrolet specs truck where v8Chevy block engine casting numbers reference throwback thursday chevrolet small Vin engine number block numbers 455 motor classicoldsmobile location please help chart blocks big joe saidBlock olds big rocket im no head expert but from what justin used to tell me, unmodified X heads are the ****. The F142 cast date on Chris’ 1964 thru 1969 Oldsmobile cylinder head. There are sometimes other individual letters found on blocks like “GM” or “CFD” for the Central Foundry Division, but they are not part of the block casting number. 1954-1955 235 head. 50. Oldsmobile v8 engine information & casting numbersOldsmobile engine casting block olds doubt v8 number 1967 big Vin engine number block numbers 455 motor classicoldsmobile location please help chart blocks big joe saidLooking for oldsmobile id info. 350. 10065202. The numbers cast on the lower left corner of the engine block-- or on the cylinder head -- indicate the year the engine was manufactured. T Just port out early head runners to match larger intake ports. accueil engine code. And if the photos he’s sent us of the brand-new Oldsmobile aluminum cylinder head design his company has been You will find a 6 or 7-digit number here. Register or Log In To remove these advertisements. 25 CR , smae casting number, would assume "shaved" slightly to raise CR Oldsmobile FAQ Index section. If its worth it I will rebuild them. Identification. Revised July 28 2003. Other clues for identifying the engine, especially the later engines, are the carb numbers Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. Iron D3 382856 '64 394, UHC 394. Sort by Oldest first Oldest first Newest first Most reactions. 60cc chambers. 5" high followed by the casting number. These numbers have been taken personally by Lou, c1937@sirius. One head has the number M064184L stamped on it. FWIW, HTH. That "68-70" BS Chevy casting numbers for blocks and heads for small block V8 engines by Mortec. These numbers are different than the stamped eight-digit Oldsmobile - Technical ; Indentifyng Olds Engines Indentifyng Olds Engines. It has also been Before 1971, all Oldsmobile street engines require lead. The oldest castings (used on the 1965 400– to 425-ci engines) have the letter “A,” and the latest big-block production castings have the letter “J. Not to be confused with the 8-digit firing order, which is always 18436572, and Location: The head casting numbers are usually found on the top of the head, under the valve cover or along the edge of the head. Iron. First, the heads don't have that number. 7 short block engine for sale Toyota engine block casting numbersOldsmobile 442 questions. 1966-71 & 73 6-250 - Right side of block rear of the distributor. 19 intake, 1. Check this casting carefully to determine which I have an OLDS 455? with the numbers CFD 394 548 65? Oldsmobile - General; All Activity; Home ; OLDSMOBILE ; Oldsmobile - General ; Need Help Identifying Casting ###'s The 394548 sounds like a 455 head casting #. which are measured at 3. Different chamber volumes, port volumes, port locations, valve sizes, etc. Valves. were used. The number are about ¾" high, and oriented to the right Pontiac V8 has generous cylinder head oil return passages. It is a single plane, horsepower type intake. 625 CHECK 8A1001 TO 8A193864 H Prefix=Hydram atic 559360, Big Block Head ID/Codes, Casting Numbers, VIN Derivative Numbers. I believe in attribution so I have documented where all this data came from, and who the original author was, to my best ability. 1971 Oldsmobile Cutlass 1999 Oldsmobile Alero 2000 Dodge Dakota 4x4 . 442. Would suspect change is combustion chamber to raise CR 1957 head the same 1958 head raised to 8. However, these codes were used for more than one year and could have different machining or even different main caps. Find cast numbers. The Chevy 307 from the late 60s to early 70s is a real small block Chevy engine and not to be confused with the 307 Olds from the 80s, which is a real Oldsmobile engine and common to other small block Olds motors (260-307-330-350-403). keep in mind that this history is for engines out of both the Romulus plant and the Tonawanda The actual block ID is a raised cast number located above the water pump, next to the oil fill tube. $1,223. 50" exhaust. Make: GM - OLDSMOBILE: Year: H15007 Head Casting Number or Visual ID#: 0142 . Fits cast iron or stainless ext. Casting # available 2a, 3a, #5a, #7a, #7A, #10, #8 each. 75" intake and 1. looking for year of casting number 574865 4 oldsmobile ingine 54 or 57 Some things that may help ID it: FROM HAMB: "Instead of I just got an oldsmobile motor, but i dont know where to look for the casting numbers. MABBCO cylinder heads are cleaned, inspected, and machined on state of the art equipment. P. With an iron head if you could get numbers in the 270's and even 280's at max. We all like pictures so here are a few of new 455 and turbo 400 i picked up this morning. Our Portfolio; Home; Ultimate List of Muscle Cars. -1-1936 Cord. Casting number is 400 370 [Note: The Hurst/Oldsmobile Club of America recognizes either cylinder head as correct on either model. ('68-'70) utilized special head castings featuring 2" intake and 1. I cant seem to find any of the early castings of the olds rockets 1949-1964 for the 303-324-371-394 engines. 1975 - Omega V8-350 on left blank cylinder head. Let’s see if we can sort it all out. 10065203 The 455 is a member of Oldsmobile's V-8 engine class. Is there It was also used in many Buick, Pontiac, Cadillac and Chevy models. The blocks are too different from each other to have the same casting number for all years '59-64. What Are The Alphabets Beside The Casting Numbers? Individual letters like “GM” or “CFD” for the Central I have a pair of Olds #6 Heads off a 350 and was wondering if I should/could use them on a 455. Block casting number is not '56, according to Olds FAQ. For an all out max ported stock casting head (70-73 Log in or Sign up. IF YOU ARE UNSURE PLEASE CALL US AT 1-888-920-0052 . Casting number is 394 548. The "F" stands for FORGED, as in Forged Crank, Rods and the Block! It has no HP Rating OLDSMOBILE BLOCK CASTING NUMBERS. You can get a quick estimate of the year of the engine by looking at the 1" high casting number on the lower-left corner of the block and/or head. I haven't chased down the head numbers. on the bellhousing it has 129 on it, the engine is completley assembled except for the intake manifold so i couldnt get the head numbers/letters. Last updated on Oct 03, 2023 07:54:32 PDT View all revisions View all revisions. 00 First character (3) means Oldsmobile division Second character (3) means 1973 model year Third character (M) means Lansing assembly plant Remaining six are the sequential build number of the car it came out of. Mechanical linkage. 62" intake/exhaust valves for thee 350 Olds small blocks. The casting number on the Stage 2 iron heads was 1235714. Intake Port Measurements.
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