- #Chevrolet transmission stamping identification how to
- #Chevrolet transmission stamping identification code
Above, left: A trim tag, lists original interior trim, exterior color, build date and other fisher body info.Ībove, right: An engine showing engine suffix code and partial vin code. I try and answer emails and decode specific requests, but often you can find the information here if you spend a couple minutes looking. From this page, you can quickly get to the specific codes. This site is one of the most comprehensive numbers decoding places available anywhere. These grooves are there to indicate the ratios of the gears inside the transmission.Being able to decode the various markings on a car or part is important in establishing what type of car or part you have. Not only are the Saginaw and Borg Warner side cover and tail housings constructed of different materials, but the reverse shifter arm of a Saginaw is on the side cover while the T10 is located on the tail housing. If the case, side cover, and tail housings are made solely of aluminum, well my friend, that would be a Muncie. Differentiating is easy, as the Muncie has seven bolts holding the side cover, and the Borg Warner uses nine. To add a little confusion to the mix, there were Borg Warner Transmissions that feature aluminum cases and cast-iron side covers. If it has a cast iron case with an aluminum side cover and tail housing, that will mean you have found a Borg Warner. If the case and side cover are made of cast iron, that would make it a Saginaw transmission. The easiest was is by knowing the construction of each unit, and the differences are obvious.
#Chevrolet transmission stamping identification how to
Do you know how to tell the difference between a Saginaw, a T10, and a Muncie four speed? The Muncie is made of aluminum, and will not be rusty looking. When you find a used four speed, a Saginaw and Borg Warner transmission will likely be flash rusted because of the cast-iron construction. Keep in mind, if you plan to drop one in a vehicle that makes more power than it did when it was stock, you might want to consider going with the Muncie if you plan to beat on it.Įven the Muncie has its limitations, but they are significantly higher than the Saginaw or Borg Warner. We have salvaged more than one Saginaw from cars like the Vega and Monza. Not only were they both popular transmissions in musclecars and Corvettes, but many were even used after the musclecar era. Bythe General had developed and worked with the Saginaw Corporation to develop a proprietary four-speed based on components used in the Borg Warner transmission. This early box began its career being placed in the Corvette. Many enthusiasts feel that for a car to be a true musclecar it must have a four-speed transmission. Did you know that there are various models that were used in various cars? However, finding one of these transmissions now at a swap meet or salvage yard is getting harder and harder. There are a couple of different debates that typically occur when a bunch of car guys get together.