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t56 identification with pics

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Old Jun 19, 2012 | 08:30 PM
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Default t56 identification with pics

I picked up this tranny tonight with a bunch of other parts. Supposedly its an ls1 t56 rebuilt by tick performance. With a gto tail housing. I got a really good price on everything i think, i just want to know if i got as good a deal as i think, if this is an actual ls1 transmission and if possible the gear ratios.

I have no reason not to believe the seller or anything I'm just curious
It does look brand new.. There are no tags or anything other than the numbers on the housing pictured


Splines and input shaft measurements

Input shaft measures about 6.5 inches from the front housing to tip
input is 26 splines
output is 30 splines

any help is aprpreciated












Last edited by gsracer; Jun 19, 2012 at 08:54 PM.
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Old Jun 20, 2012 | 08:43 AM
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It certainly looks like a fresh rebuild from us, right down to the green tape over the shifter. It has a GTO offset lever, and it looks like maybe it received REM polishing judging from the input.

As for the length of the input, it would be the same for a GTO or F-body. The tailhousing is also the same. If you can pm me the guys name you purchased it from I can tell you if we handled the rebuild and exactly what the trans is.
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Old Jun 20, 2012 | 08:49 AM
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That is awesome.. thank you so much.
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