TransGo TF3- tie back or run cable

j par said

Could I trouble you to elaborate? I have a customer with a 68 El Camino and we're about to look at this transmission and I pulled on the shaft and it pulled out about an inch and a half and I was like oh crap I'm not sure if it's supposed to do that?

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Powerglides have craploads of endplay normally.
.030-.060 normally, and on the tighter side for race. (as tight as .015)
The thing about powerglides is that the input shaft endplay isn't real critical unless you are putting craploads of power through them.
1.5 inches, something might be damaged, or it may be just the shaft pulling out of the splines inside the trans.

I don't know much about glides.