Thread: trans

eh, people argue yes and no but its still the same 4T65E and they both suck

97s are vac operated and a few other things

only the 97 GT trans is vac controlled

Originally Posted by Fivefingerdeathpunch

only the 97 GT trans is vac controlled

Yep, thats a pretty big mistake on my part, was very hungover this morning/afternoon.

The differences from the 97 gtp to 99 gtp are very small. If you were to rebuild the 97 the diff's are a bit different as well as the output shaft, but as far as a straight swap it should work.

^^ this last one is on the money. The diff/output shaft has a C clip holding them together instead of a compression clip. The valve body etc isn't the same material either, but that's small.

Swapping wise...they should be considered the same.