gm 3 speed transmission casting numbers GM 8. GM manual transmission identification. 1958 1959 1960 GM Chevy Corvette 3 Speed Transmission 3743368 APRIL 17 1959. Joined Apr 2, 2007. Casting is located above … Muncie transmission are covered in this section light duty, rear wheel drive (RWD), 3 speed applications. These grooves indicate the ratios of the gears inside. 20- 1. 52:1, 2nd 1. Using the application tables below just locate your vehicle model, model year, number of cylinders and engine size read across to identify correct overhaul kit part number. 01, 1. Fisher Body No. The side cover has 7 bolts,and the casting number on it is 3952646. The casting number 3925660 denotes this as a 1968 – 1970 Muncie with a 1-inch cluster shaft. Non syncro low gear. On modern models, you can tell which type of manual transmission a car has by looking at the top of the gear shifter. 495. Hi. April 17, 2015 by Pontiac DiY. One distinctive feature is the identification tag on the rear passenger side of the unit. 2 Each. T85 Borg-Warner 3 Speed Manual Transmission Parts; MRK100516 AX4 AX5 & Toyota G52 … The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identification chart). In addi­tion to 3 … 4 Speed Toploader ID Chart 3 Speed Toploader ID Chart Exploded View of a Toploader Main Case ID Chart Tailhousing ID Chart Bellhousing ID Chart Toploader Imposters Shift Rail ID Chart. 34- 1. research in any way. It is also a cast iron case. Side cover 3731911 Corvette only. Rear Axle No. 73 axle) 72 Chevelle w/Muncie M MEJ1990TM Registered Joined Feb 17, 2007 9,218 Posts … 2-speed automatic. Your fourth photo down shows some numbers on the side. 1982 and 1992 (700R4 & 4L60) 1993 and Newer (4L60E) GM 4L80E … Transmission block casting number R 7 T 28 GM number 3890564 Martinius. 80, 1. 28:1, 4th direct, Rev 2. 44- 1. 3925656 was used on all 68 and 69 models. It is a cast iron case tranny with either a 2. Spins freely, marked 1/2 mile on tyranny with other numbers also. While still compatible with the 1955 and up bolt pattern, the new LS series engines added a bolt hole at the very top, which is reflected on this bellhousing 4 speed Saginaws no Lines= 2. FIRST TRANSMISSION. com YENKO DEUCE REG Registered Joined Feb 11, 2004 1,093 Posts #2 · Feb 19, 2019 fsc66 said: L79 breakdown by Trans 3-Spd - 124 units 4-Spd M20 - 1054 units 4-Spd M21 - 4303 units Total L79 units: 5481 Paul Click to … 1955-66 3-Speed Overdrive No. 356 RETAINER 360806 74-79 (2nd Design) 604932 63 and 3SP 207 bea. Local pick up welcome. GMC Pickup Trucks and Van's . They are found primarily in GM and Chevrolet trucks, … The entire length of the transmission is ¾” longer. 50. THM350 - Medium duty 3 speed trans used from 1969 to 1989, Used in Buick, Olds, Pontiac and Chevrolet cars and Chevy & GMC light trucks until 1987. Last updated on Sep 22, . 35, 1. (Commonly abbreviated as … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. 32- 1. According to the Chevrolet Pickup Red Book, for 1955 truck transmissions, serial numbers should begin with the following: M = 3 speed Muncie. Home;. The transmission codes are found on the Protect-O-Plate and in the following locations: . Here's the plastic covered paper tag from a 1989 V8 Camaro T5 top cover. New transmission designs came with new, unique pan shapes, and the general shape of … Saginaw 3 speed (RPO M15) had maincase casting number of 3925647 for the 6 cylinder and 3925647 for the 8 cylinder. 11, 2. 30 shipping estimate = $392. K 170. One is the standard car version. Cast iron case, believe it is a Saginaw three speed, but not sure. Tremec 3 speed. The ECM connector is green from 2000-2005, and purple from 2006 and up. They get jambed up going from first to second gear, if you try to shift in a hurry. S = 3 speed … GM Automatic Transmissions; Type: 1st Gear: 2nd Gear: 3rd Gear: 4th Gear: Overall Length: . RPO code M20 significances the 4 Speed version, this overdrive will have a code … But, that number is the part number for the case and doesn't tell you much about the year of the transmission or the gear ratios. Numbers are displayed below, as they appear on the transmissions. 5-speed ZF A5S325Z: Found in early E46 models, as well as late E39 and Z4 . The car contained one of three transmission types, all with the shifter on the column: 3-speed Synchromesh manual; 3-speed … Transmission Tail Shaft Housing for 1955 through 1962 Corvette. Price listed is for each. First digit is GM Division: 1 = Chevrolet Second digit is model: Q = Sport Coupe, S = Type LT Coupe Digits 3 & 4 are body type: 87 = 2dr. 00 1 groove 2. 46:1, 4th direct, Rev 2. GM 3925647 Manual Transmission ( Brand: Gm ), ( Manufacturer Part Number: 3925647 ), ( Part Type: Manual Transmission ) Review GM 3 Speed Manual Transmission Check out all pics for item condition and numbers. All maincases were manufactured out of cast iron. 5th gear (overdrive) . Each T5 case, case cover and tail housing will have a casting mark that indicates what year the part was cast. 59:1. The transmission certainly looks like a GM 3-speed of the period, but was no different in a Corvette than with most other GM stick shift cars, if I recall correctly. The occurance of case breakage is very uncommon and most individuals swapping the 700R-4 into a Jeep probably will not be benefitted by one over the other. Dodge 5 Speed Overhaul Kit A523, A543, A568 . Borg Warner T18 (shown without extension housing) Top-loaded heavy-duty unit with cast-iron case and shift cover. 50- 2. Another is cast slightly thicker, designated as the "K" case, as purposed for many trucks. These light duty Muncie model Model 318 and 319 transmission were used in early Chevrolet Bel Air, Biscayne, Impala, Chevelle, El Camino, Malibu, Corvette, Nova, Chevy II and Pickup Trucks and Van's. Offer #1 priced at $224. Well its from a Chevrolet but no way of telling if 69 or 79 and what car it was used on from this info. Lake Superior-Michigan USA. 56:1, 2nd 1. 99 + $167. Kaase P-38 Cylinder Heads "Pro-Fil Casting number is 260XXXX. Note 3: M-21/22 gear ratio: 1st 2. GM used the same case for three or four years in a row (maybe more) in the late '60's and early '70's. Transmission Tail Shaft Housing for 1955 through 1962 Corvette. Use the shifter to shift gears and note the number of times it shifts. GM Turbo 350 and 350C (TH350 Transmission) 3 Speed Transmission. These Muncie 4 bolt cover transmissions get a bad rap, when used with stock column shifters. Generally able to handle up to 400 foot pounds of torque. Used on Muncie 3 speed transmission, has threaded castings for floor shifter and rear mount. 3952657 shows in the Chevy parts catalog as HD 3 speed transmission for: 69 Chevy,Chevelle,Camaro (350) 69 Pass. The Muncie case (3831704) replaced the T10 4 … For your information, a few Muncie 465 casting numbers include: 3871912, 3901127, 673212, 6273212, 3901131, 465453, 8672267, 867287 (aluminum top cover model) About the SM465 When filling your 465 with gear oil, … THM200-R4. WS6. Casting number: 3737450, Date Codes: J 6 8 and D 8 8. & Dodge Truck TREMEC 3550 (469) 4 … Generally, here’s a list of cars that used the TH400 transmission: 1965-1967, 327 V8 (Rambler/AMC) 1968-1971, 350 V8 (Buick) 1969-1972, 225 V6 (Buick) 1972-1975, 232 I6 (AMC) 1975-1979, 258 I6 (AMC) 1972-1979, 304 V8 (AMC) 1972-1979, 360 V8 (AMC) 1974-1975, 401 V8 (AMC) GM Jaguar Ferrari Rolls-Royce Features of the TH400 Transmission General Motors Casting Number 3846429 Tailshaft Housing GM Casting #3846429 Pictures and descriptions are from a used original GM part. This may be a 3 speed overdrive? THIRD TRANSMISSION. $9. BigMike GM 6-Speed 6T40 MHH Hydra-Matic eAssist Automatic Transmission GM 6-Speed 6T40 MNH Gen 3 Hydra-Matic Automatic Transmission GM 6-Speed 6T45 MH7 Hydra-Matic Automatic. 84- 2. Kaase P-38 Cylinder Heads "Pro-Fil Used in GMC and Chevy trucks and stripped chassis 1968-85. 197132867. Make a note of the part number and complete our secure easy order form. big block ford aluminum heads. Generally used in straight and V6 and small block engines. Reverse Shift Shaft Passenger Side Casting Number Inside Drive Shaft … The next 2 or 3 letters identify the model of the transmission. 47- 1. Mastering GTO Restorations: Transmission Guide. . The transmission has an iron case, a 10-spline input shaft, and the case casting number is 3987948. This is likewise one of the factors by obtaining the soft documents of this Gm 4 Speed Manual Transmission Casting Numbers by online. M. 4. Joined: Mar 30, 2005 Messages: 2,563 Location: . Im looking to identify transmission casting number 3702602 GM5 d184 . 27:1 The 700R4 transmission is a 4-speed automatic transmission that was introduced by General Motors in 1982. The TH350 … Review GM 3 Speed Manual Transmission. 1955-57 Powerglide and 1957-61 Turboglide Boss No. USA seller. eBay item number: 113732155470. SaginawTailhousing I. TH350 Transmission Identification. Toploader History How a Toploader Works Cutaway View of a Toploader Torque Specs and Gear Ratios Oiling Specifications White Stripe Toploaders Late Model … That being said, chances that you’re using a GM vehicle with the TH350 transmission are high if the car is a model launched around these years. The #3743368 maincase was used in most 1958 with some applications into the 1963 model years. This transmission is often mistakenly lumped in with the TH-200 three-speed automatic that GM attempted to make work in the early ‘80s. In order to correctly identify a Muncie four-speed transmission, several visual clues are needed, and those … The final two numbers relate to torque capacity with 80 and 90 offering much more load capability than a 30 or 40-rated transmission. The 4 bolt side cover Chevrolet/Pontiac/Oldsmobile/Buick (the last 3 saw very limited use), passenger cars and trucks, were MUNCIE 3 speeds. coilover Member. It looks like a small flower with a number in the center. Our Chevrolet … 4 Speed Toploader ID Chart 3 Speed Toploader ID Chart Exploded View of a Toploader Main Case ID Chart Tailhousing ID Chart Bellhousing ID Chart Toploader Imposters Shift Rail ID Chart. Jan 4, 2002. Transmis­sions were sourced from Muncie, Saginaw, GM’s Hydra-Matic Division, and even Dearborn (Ford). Synchronized in 2nd, 3rd, and 4th, with 1st and reverse non-synchronized. in the midst of them is this Gm 4 Speed Manual Transmission Casting Numbers that can be your partner. case. 95. GM #15704443 Clutch Fork. No grooves 2. The SM465 was made by General Motors from 1968 to 1991. If you find two letters, the transmission was made … 3-Spd - 124 units 4-Spd M20 - 1054 units 4-Spd M21 - 4303 units Total L79 units: 5481 Paul Paul@winvoices. 64:1, 3rd 1. 1966-7. The transmission model is part of its casting number, usually with an additional letter … GM Engine Casting Numbers (Sorted by Make/CID) Chevrolet Casting Numbers Number Make Year CID 839910 Chevrolet 42-51 216 389770 Chevrolet 42-51 216 839770 Chevrolet 42-53 216 3835253 Chevrolet 42 … 4 Speed Toploader ID Chart 3 Speed Toploader ID Chart Exploded View of a Toploader Main Case ID Chart Tailhousing ID Chart Bellhousing ID Chart Toploader Imposters Shift Rail ID Chart. (468) NEW VENTURE MG-5 (466) G. Outside that, you can push in your clutch and hold the brake. Several extensions used during 55 to 59 model years. D. Main case casting numbers (when looking at the passenger side these numbers are upside down) 6273262, tail shaft housing casting numbers 3968035, Shifter cover casting numbers GM1 3952646. S = 3 speed … The front input shaft may have grooves cut around it’s diameter. Chevy also had a Muncie 3 speed that year, but the side cover casting on that one should be 3952646. com. The first overdrive automatic to transfer power in the GM lineup was the 200-4R that arrived in 1981 behind A- and G-body cars as well as full-size sedans. 3925656 is the casting number for the saginaw used in 68-75 at least. Just search for Saginaw. R-11 was for heavy … The General Motors (GM) 700r4 transmission, also referred to as the “Turbo Hydra-Matic”, surfaced in 1982 to replace the retired, less durable, 3 speed TH350. Note 1: M-20 gear ratio: 1st 2. The numbers stamped below the shifter cover are M3E07A. Our Chevrolet … Transmission Tail Shaft Housing for 1955 through 1962 Corvette. 4 SPEED CONVERSION KITS. Blueflame236, Dec 15, 2012 #1. Casting is located above … The casting number on the passenger side of the transmission is another easy way to identify the T-85. The Powerglide is a two-speed automatic transmission designed by General Motors. 65- 1. Trans Code Format: tymdds where: t = transmission type MANUAL AUTOMATIC S = Saginaw 3-speed A = 68/69 L6 Torque-Drive K = McKinnon 3-speed C = Cleveland Powerglide H = 69 Muncie HD 3 … big block ford aluminum heads. SECOND TRANSMISSION. Transmissions. Search for Transmission Parts by Transmission Model Number; Search Manual Transmission Parts by Vehicle Manufacture; Dodge Car. Transmission arms attach with bolt Vega/Monza Holes may not be tapped BORG-WARNER T-5, GENERAL MO-TORS (464) Internal Rail RICHMOND GEAR DOUG NASH/ G-FORCE 5-SPEED (467) BORG-WARNER T-5, FORD (465) Internal Rail BORG-WARNER T-56, G. 356 RETAINER 360806 74-79 (2nd Design) 604932 63 and 3SP 207 bearing 3741458 Cast (3741458) History: 3851326 use 3915020 06-67 3851326 1964-67 3859032 75-79 (1st De How to Identify Chevy 4 Speed Transmissions by Floyd Drake III . It was available primarily on Chevrolet from January 1950 [1] through 1973, although some Pontiac models also used this automatic transmission after the fire at the Hydra-Matic factory in 1953. H = Muncie / 3-speed K = McKinnon / 3-speed M = Muncie / 3-speed N = Muncie / 4-speed O = Saginaw / Overdrive P = Muncie / 4-speed … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. 88:1, 3rd 1. K = McKinnon 3-speed C = Cleveland Powerglide H = 69 Muncie HD 3-speed T = Toledo Powerglide R = 4-speed Saginaw B … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. It's easy to get the correct parts the first time from drivetrain. It is commonly referred to as the "Small Block Chevy" motor. Available in 2WD and 4WD versions. 44, 1. The SM465, where reverse is to the right and down, or the older SM420, where reverse is to the left and down. 11- 2. w/3. There is aso a small metal tag on one of the … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. 65, 1. 11:1 AC BC The SM465 is an outstanding, heavy-duty truck transmission designed and used in ½, 3/4 and 1+ ton trucks. GM 700R4 (4L60) not 4L60E shown below 700R4 Transmission | 4L60E Transmission: Overdrive Transmissions. 20:1, 2nd 1. 47, 1. Gm manual tyranny, I do not know anything about this. 55:1 AB BB Psngr 55-56 3-Speed O. 84-92 Clutch Pedal Bushing. 20, 1. 00 A aisr Registered Joined Mar 3, 2009 530 Posts #15 · Feb 3, 2010 There are also truck Saginaw 4spds that have an extra trans/bellhousing bolt at the … 2-speed automatic. Case casting number is 1301. The photos show several examples. The first digit tells what division the transmission is built for (Oldsmobile's number is 3). New Process Gear NP435 - 4-speed longitudinal transmission used in a select handful of 67-72 GM pickups. X3845157 GM. Before you fire up the email attacks, this story is intentionally ignoring a … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. Toploader History How a Toploader Works Cutaway View of a Toploader Torque Specs and Gear Ratios Oiling Specifications White Stripe Toploaders Late Model … The easiest method of GM automatic transmission identification is to examine the transmission pan. Look at the rear extension, Camaro used 3873886, full size, Chevelle and Chevy II used 3860042. “1960 Corvette 3 Speed Trans, Main case Casting # 3743368, Date L2 9,(Dec 2, 1959) Main Case Stamping S 2 19. The Turbo 400 has a very distinct fluid pan. 1969-1986. The 2006 and up have a black input shaft speed sensor. The first number on identification tag is the … Muncie Transmission Casting Numbers – Muncie Casting Numbers Front Bearing Retainer 4. 00 1 Line= 2. Get gm 3 speed manual transmission casting numbers PDF file for free from our online libra GM 3 SPEED MANUAL TRANSMISSION CASTING NUMBERS File ID: -File Type: PDF File Size:. But the other numbers don't match the extension or sidecover casting numbers. 85 first gear or a 2. Vehicle No. Muncie Transmission Casting Numbers - Muncie Casting Numbers Front Bearing Retainer 4. 54- 1. Our Chevrolet … The casting number on the passenger side of the transmission is another easy way to identify the T-85. Manual Trans Reference GM 3, 4, 5 and 6 speeds V24; . Toploader History How a Toploader Works Cutaway View of a Toploader Torque Specs and Gear Ratios Oiling Specifications White Stripe Toploaders Late Model … The Saginaw transmission was engineered and manufactured in Saginaw Michigan for the Chevrolet General Motors, vehicles with RPO code M15 utilized the Saginaw 3 speed, you should be able to find a “S” on the passenger side of the case rear cover. 3925658 does not match any casting numbers in my books. 01- 1. Pontiac’s transmission offerings for 1964–1974 GTOs were similar to the transmissions offered in other Pontiac and GM models. 429 Posts. The tag below reads 1352-232. BMW rates these transmissions for a "lifetime fill," however, through our channels at ZF and speaking with the engineers of those transmissions, we've learned that the transmissions are tested to 100,000 miles with an "acceptable rate of failure" on the original fill. Check out all pics for item condition and numbers. 00 . The main cast is made of cast aluminum alloy with three main castings. 70:1 AA BA Psngr 55-56 Powerglide 3. 29 total. IF I am reading your (not-easily-deciphered) CASTING numbers correctly, this transmission is a 1966 or 1967 light duty or standard duty 3 speed Saginaw unit. 84, 2. 00 All this information and more is on this forum. "A" is January to "L" which is December, the next one or two digits are from 1 to 31 and the last digit is from 0 to 9. And in 10 more years we'll still be having this discussion. V8 Engine Number Series Year Transmission Ratio Detroit Buffalo Psngr 55-56 3-Speed 3. $29. You might not require more become old to spend to go to the ebook initiation Hi. Not very tough. 46- 1. 00 3 Lines= 3. You need to look for some other numbers. The 6207 bearing’s dimensions are 35-mm bore, 72-mm outside diameter, and 17-mm width. Shifter Holes This Muncie housing is cast aluminum, has 5 shifter mounting threaded holes, and a drivers side speedometer. Veteran Member. 1966 - … The 55 three speed main case is casting #3845122 used through the 1957 for both passenger & corvette models. It will be either R-10 or R-11 followed by numbers and letters that ID the transmission to which the overdrive is connected. The 465 has a plate on the drivers and passenger side. 00 rare 2 Lines= 3. 80- 1. 3952645 shows up as the sidecover casting number for the 1972 Saginaw 3 speed. Our Chevrolet … There are three main castings of the 700R case. Housings can also be used on standard car or truck 3 speed transmissions. It is based on the TH350 3-speed automatic transmission, and features an overdrive … You have to be able to read the casting code on the bottom of the transmission. 691747 OR 591747. $170. Transmission identification may be determined by finding the transmission application code in the following tables. 69:1). The casting numbers on your main housing and extension housing were not used for 1965 and older transmissions, and the main housing not used in 1968-up. If it's a 4 speed granny box out of an older GM you have two possibilities. Casting is located above … Transmission Tail Shaft Housing for 1955 through 1962 Corvette. 50, 2. GM PARTS SEARCH. If you could get a newer 3-spd Saginaw from '66 up it will have a syncro low gear and be alot stronger. 1953-56 Engine No. 54 first gear. See the following tables for manufactures, transmission models and model year that this transmission was utilized. 00 3 groove 3. R-10 was the standard overdrive model and the most common. Our Chevrolet … The 57 is casting 3845122. 48:1, 4th direct Note 2: M-20 gear ratio: 1st 2. 3845122 is the casting number of the transmission case for the 1955-1957 3 speed transmission for passenger cars and Corvettes. #6 · Nov 15, 2011. It was standard equipment on large displacement, high-torque engines, and is generally found in trucks, and full-size GM rear-wheel-drive cars. 00 2 groove 3. Casting is located above side cover, on trans. Number is located on side cover. Specifically, a Muncie 318 if a 3 speed, a Muncie 319 if it had overdrive. Both are described in the Novak pages and both are good boxes. $11. These numbers tell us the application, engine size, wiring type, and solenoids. New Releases #15552866 Ball Stud. Our Chevrolet … Casting numbers on the case, cover or extension housing are 13-51 or 13-52. Like Cobalt said, it is very easy to mistake a 6 for an 8 in these castings. 2-speed automatic. Muncie M62/M64 — 3-speed longitudinal transmission made by GM. 91:1, 3rd 1. 00 common 1 Line= 2. The TH350 … The base design from the original Torqueflite remains largely unchanged and the addition of a 2-speed output shaft (overdrive unit) that is bolted to the back of the 3-speed transmission has only two ratios: direct (1:1) and overdrive (. I don't think the vin was stamped on the case … The 9-digit code will tell you which division, year, model, assembly plant, and car the transmission was pulled from. So, the casting number only gives you a range of possible years. Last edited: Dec 16, 2012. (P/Track. 1965 and Newer. 54, 1. The transmission was met with praise in the … That being said, chances that you’re using a GM vehicle with the TH350 transmission are high if the car is a model launched around these years. T85 Borg-Warner 3 Speed Manual Transmission Parts; MRK100516 AX4 AX5 & Toyota G52 … Transmission Tail Shaft Housing for 1955 through 1962 Corvette. It is a three or four digit number about 3/8" high, starting with a letter. GM Turbo 400 TH400 Transmission 3 Speed Transmission. Muncie SM420 transmission — 4-speed manual used up to 1967, very similar to sm 465 except small changes to gear ratios and location of reverse. Our Chevrolet … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. coupe Fifth digit is engine code: D = 250ci, H = 350ci 2bbl, K = 350ci 4bbl, L = 350ci … All ball bearings have standardized numbers used by the bearing industry. The second digit is the last … HTVQB5 Gm 4 Speed Manual Transmission Casting Numbers 3 3 List of GM transmissions - Wikipedia These Chevrolet GMC overdrives are available for 4 speed manual transmissions in 1958 and newer muscle cars and street rods, 1988-1992 3/4 and 1 ton pickups as well as Chevrolet, Buick, Oldsmobile and Pontiac cars. The transmission model is part of its casting number, usually with an additional letter … The Turbo 400 was GM’s heavy-duty three-speed transmission used from 1964 to 1990.


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