help
Thread Starter
4th Gear
Joined: Mar 2008
Posts: 4
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help
i hope this is in the right section. i bought a large package deal on some parts. and in it i found a 4 speed trans for a 59-61 vette. what is it worth? i really cant find any info on it and i hate to let it sit as i am sure someone can use it this is the only thing i found on it
What you have is a 1st design Super T-10 which was only available as an over-the-counter complete transmission designed as a direct replacement for the early Corvette T-10. They were made from 1968 through early 1972 and did have 10-spline input and 27-spline outputs like the early T-10 and early Muncies. There were several gearsets available for them including 2.23:1, 2.43:1, 2.64:1 and 3.44:1 first gear ratios. Some even had 9310 nickel inputs (with 0.060" wider gear) and clusters installed (Also had a 0.060" wider front gear to mate with the wider input) which had much higher torque capacity. Later 2nd design ST-10's all had 26-spline input and 32-spline outputs like the 71-74 Muncies.
thanks for any help
keith
What you have is a 1st design Super T-10 which was only available as an over-the-counter complete transmission designed as a direct replacement for the early Corvette T-10. They were made from 1968 through early 1972 and did have 10-spline input and 27-spline outputs like the early T-10 and early Muncies. There were several gearsets available for them including 2.23:1, 2.43:1, 2.64:1 and 3.44:1 first gear ratios. Some even had 9310 nickel inputs (with 0.060" wider gear) and clusters installed (Also had a 0.060" wider front gear to mate with the wider input) which had much higher torque capacity. Later 2nd design ST-10's all had 26-spline input and 32-spline outputs like the 71-74 Muncies.
thanks for any help
keith
Tech Contributor
Joined: May 2005
Posts: 15,575
Likes: 118
From: Conroe Texas
Post any numbers found on the transmission case, someone here (I'm not it) will be educated on trannys and can tell you what that transmission is for.
From there someone will know if the text you posted above, which I assume was provided to you, is consistent with what the transmission numbers offer.
From there someone will know if the text you posted above, which I assume was provided to you, is consistent with what the transmission numbers offer.
Team Owner
Joined: Oct 2000
Posts: 38,897
Likes: 1,921
From: Washington Michigan
What parts of the transmission are those numbers on? If the T10-1B is on the main case, it's cast iron, used from mid-'59 through early '61. There should be a series of two letters and four numbers stamped vertically on a machined surface just aft of the rear upper side cover bolt that will tell when it was built. 
Thread Starter
4th Gear
Joined: Mar 2008
Posts: 4
Likes: 0
there where no numbers on that machined surface. i believe this is a direct over the counter complete replacement transmission from the gm dealer and that is why there are no numbers there. and that is what the h2-71 means (aug,2,1971). the T10-1B is on the main case and it is cast iron. it appears to be in good shape and shifts smoothe. what do you all think its worth?
