Quality reman transmissions and transmissions parts for ford, chevy, dodge, gmc, jeep, lincoln, pontiac olds and more. Identification of this transmission can be obtained by using the identification charts in this manual. Air cleaner housings alternators and generators automatic transmission case codes camshaft part numbers and specifications carburetor spacers and egr spacers clutches and clutch components connecting rods cooling system components crankshafts cylinder heads distributors driveline components engine accessory brackets engine blocks exhaust manifolds flexplates fuel pumps. In 1981, gm introduced the np208 chaindriven transfer case. Muncie 4speed transmissions can be distinguishedvfthe rom style of the transmission arm attachment. Stickshift transmissions comprise about 20% of the market. You can also locate parts to repair your jeep 3, 4, and 5 speed manual transmission. Muncie shaft identification the above muncie 4 speed transmissions can be distinguished from the style of the transmission arm attachment. The chart on the link below will help you id your trans to help you figure out what is the correct hurst shifter and linkage installation kit. Chevrolet chevy manual transmission identification and decoding.
Identifying gm automatic transmissions howto hot rod. M20 4speed longitudinal wide ratio manual transmission made by gm at their muncie, indiana factory. Gm turbo 350 and 350c th350 transmission 3 speed transmission. Muncie left saginaw center borg warner right to quickly finger what you have, notice in the above picture. Due to the interchangeability of other nv4500 components, we also recommend that you verify the following information. Chevrolet chevy transmission identification and decoding. How to identify chevy 4 speed transmissions it still runs. While there are no distinctive pans and bolt counts to make transmission identification simple, 4speed manual transmissions can be generally identified by examining the side profile. The sm420 was made by general motors from 1947 to 1967. General motors has a wide range of automatic and manual transmissions. Types of manual transmissions gm has since moved on to different technologies.
The gm hydramatic was a success and installed in the majority of gm models by 1950. One of the difficult problems facing most transmission shops is the identification of manual transmissions. Date casting codes assembly date code stamping can be stamped anywhere. Identify general motors fourspeed transmissions chevy hardcore. Please select the automatic or standard transmission button below. Click on your st andard transmission speed below and match your manual tranny to the external characteristics and diagram notes. How to identify chevrolet gmc manual transmissions gm 3, 4, 5 and 6 speeds. Mar 20, 2021 gm s selfdesigned and built eightspeed automatic transmission is a goodgm transmission identification. Produced in three or fourspeed models, these manual transmissions were installed in a number of gm cars, including the 1967 chevrolet camaro and 1969 chevrolet impala. Most transmissions will have a source serial number chassis vin usually found close to the transmission code. We carry everything from high performance rebuild kits for 4l8. T5 transmission identification what the tags and markings. General chevrolet transmission identification transmissions are marked and identified by. Transmissions were sourced from muncie, saginaw, gm s hydramatic division, and even dearborn ford.
The five transmissions installed on 1988 to 1992 chevrolet trucks, according to, were the borgwarner t5, the getrag, muncie or new venture models hm290, 5lm60 and nv3500 and the new venture nv4500. Oct 20, 2011 thm700r4 4 speed transmission used in gm cars and light trucks with the 2. Starting at the front, this gm transmission should have a. Pre1969 muncies use a stud and nut at the indicated attachment point, while 1969 and later muncies use a bolt as illustrated on the right. Early muncie 4speed identification ecklers automotive. Nov 15, 2011 gm manual transmission identification. The 1964 muncie transmission was a basic carryover of the 1963 transmission with the exception of the 1964 and later gearboxes used a first gear sleeve on the main shaft for better lubrication. Automatic vs manual transmission which is faster in a drag race. Each of the fourspeed manual transmissions had a specific application.
Transmission identification charts acura model year engine trans type transmission cl 199697 l4 2. The first digit of the identification tag will be the model number. The saginaw reverse shift lever is on the cover, and the cover has 7 bolts. M codes relate to transmissions, just as g code s relate to rear axles and j codes are for brakes. We carry everything from high performance rebuild kits for 4l80e and 4l60e, to standard transmission bearing kits with new synchro rings. A quick glance at the chart showing overall length and rear crossmember position will reveal that a th700r4 is a close cousin to the th400 mounting configuration, anyway, while the th2004r is. Worldclass t5s were used in various ford models starting in the 1985 model year, and in various gm models starting in the 1988 model year. While the fourspeed manual transmission was a staple in many chevrolet musclecars, even many of the generals other car models were. Popular automatic transmission identification chart for chrysler, ford, and gm automatic transmissions with pan diagram. Popular automatic transmission identification chart. How to identify chevrolet gmc manual transmissions use the following information to compare physical description of your chevrolet or gmc manual transmission in order to identify what model transmission is in your vehicle. Anyone know the model and possibly the gear ratio and what it might fit into.
That brings the discussion to the chevy 4 speed manual transmission identification. Identifying gm 4 speed transmissions general motors transmission identification this resource will be on going, and grow as time permits. Youll likely find the task of chevy 4 speed manual transmission identification a challenge. Jun, 2017 while casting numbers are a definite guideline for identification, a quick, somewhat accurate way to quickly identify muncie transmissions involves the input shafts. Manual transmissions as mentioned above, modern 5speed and 6speed manual transmissions are easy to identify, but older 4speed transmissions have more variety. Gm chevy transmission identificationshop by your transmission. Apr 16, 2020 general motors transmissions can be identified by casting numbers, manufacturing codes, and the shape and number of bolts on the transmission pan. The shape of the main housing will give a reasonably reliable indication of the transmission group. Apr 17, 2015 pontiacs transmission offerings for 19641974 gtos were similar to the transmissions offered in other pontiac and gm models. This style of drive end is used on most automatic transmission applications using a 12. Muncie 4 speed spline, groove and tooth count characteristics.
It puts you closer to the road and the driving experience. Identification key to borgwarner t5 transmission id tags. How do i identify manual transmissions on chevy 1988 1992. General motors is an innovator of automatic transmissions, introducing the hydra matic in 1940. This 1967 corvette has a build sheet with an rpo code for an m21 closeratio. In 1985 to 1991 vehicles, gm started using a different version of the np205. I have a muncie tranny and im trying to identify which model it is. Casting numbers are most commonly used to identify manual transmissions, especially in older gm vehicles, while the transmission pan is most often used to identify automatic gm transmissions. Military specification versions were made through the early 1980s. The best way to id the transmission is to count teeth.
In addition to 3 and 4speed manual transmissions, pontiac also offered 2 and 3speed automatic transmissions. Chassis vin number stamping beginning in 1962 transmissions have rpo numbers, usually beginning with m. Identification begins by visually identifying the units as saginaw, muncie or borg warner models and then by differentiating the three muncie units visually and by decoding the serial number. The sm420 is an impressive, heavyduty truck transmission designed for and used in. The novak guide to the gm muncie sm465 transmission. After all, gm used different types of fourspeeds over the years. We offer quality rebuilt manual transmission, parts and rebuild parts kits that are designed to be top of the line. The transmission identification number or source serial number chassis vin is usually located close to the transmission code. It attaches with two mounting bolts in a straight across pattern. Starting at the front, this gm transmission should have a input shaft pilot tip diameter of.
Through the 1950s, all makers were working on their own automatic transmission, with four more developed inside gm alone. A metal tag can be found on the drivers side of the case and is held down by one of the tailhousing bolts. Use the following information to compare physical description of your chevrolet or gmc manual transmission in order to identify what model transmission is in your vehicle. Jul 29, 2016 vehicle identification number stamped into the main case 56 another way to confirm that the transmission is original to your car is most muncie fourspeed transmissions will have a vehicle. Gm turbo 2004r 2004r transmission overdrive transmission. The fourspeed is a relic of the past with innovation pushing the bounds to nine and even tenspeed gearboxes. The identification number for a t5 is usually only found in 2 locations. It might also be used on manual transmission applications using a 12. How to identify chevrolet gmc manual transmissions. Muncie transmissions are known for both highperformance and heavyduty applications, with three different variations available. Casting numbers on the case, extention housing and side cover on manual trans. This number will contain a division identification number, the model year, and the assembly plant and production sequence last 6 digits of the vehicle identification number vin stamped onto the transmission. Manual transmissions are a little bit trickier to identify, so we turned to our friends at andy assortment of diagrams to help you positively id your manual tranny. As mentioned above, modern 5speed and 6speed manual transmissions are easy to identify, but older 4speed transmissions have more variety.
Many people want to know exactly what year the transmission came from, and what vehicle it was in. Gm turbo 400 th400 transmission 3 speed transmission. Chevrolet chevy manual transmission identification and. General motors transmission guide, specs, info gm authority. Due to the wide combination of ids, stampings, numbers, etc. Gm general motors ld laycockdenormanville od overdrive hd or hd heavy duty identifying an amc manual transmission. How to identify and decode chevrolet manual transmissions.
The shape of the main housing will give a reasonably reliable indication of the transmission group to which your gearbox belongs. While casting numbers are a definite guideline for identification, a quick, somewhat accurate way to quickly identify muncie transmissions involves the input shafts. While there are no distinctive pans and bolt counts to make transmission identification simple, 4speed manual transmissions can be generally. Nv4500 transmission identification tech vault advance. Gm 6speed 6t80 mhm hydramatic automatic transmission gm 8speed 8l45 m5n hydramatic automatic transmission gm 8speed 8l90 m5u hydramatic automatic transmission. The epidemiology of porcine taenia solium cysticercosis in. Then you should see your transmission model listed. Reference material to assist you in identification of your jeep 3, 4 and 5 speed manual transmission, with this information you can answer the question of what transmission do i have. Typically, when you ordered a gm car you had standard options and accessories installed. Gm chevy transmission identification shop by your transmission. The abbreviation wc stands for worldclass, which was the term borgwarner used to promote improved, secondgeneration versions of their popular five speed manual transmissions.
Get geared up to decipher your chevy 4 speed manual. Mar 26, 2020 saginaw transmissions can be identified by the material of the case, the position of the shifter arms and transmission codes. Lets say that you have found a transmission at a swap meet, on craigslist, or at the salvage yard. The novak guide to the gm muncie sm420 transmission. That of itself is the first step toward a positive id. The muncie reverse lever is in the extention housing, and the cover has 7 bolts. T5 transmission identification what the tags and markings mean. The input spline for both the th400 and the sm465 transmissions was a female 32 spline, and the front bolt pattern changed to circular bolt pattern.
Go here for info on chevy automatic transmission identification. Project administration manual for viet nam water sector investment program, mffpfr2, 64pgs 6adb, 2009. Transmission casting numbers vintage chevrolet club. Identify your transmission, transmission lookup, transmission. To be able to order parts and create a valid sales quote for a customer, the shops have to know what they are working on. Gm 6speed 6t70 mh2 hydramatic automatic transmission gm 6speed 6t75 m7v hydramatic automatic transmission gm 6speed 6t75 m7x hydramatic automatic transmission. Preparing multitranche financing facility supporting viet nam water sector. All original muncie transmissions have identification ring grooves on the input. We carry everything from high performance rebuild kits for 4l80e and 4l60e, to.
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