Yeah, I figured it probably has the older tranny - but, if it was well-maintained and never abused it might go for a while. I got a tranny out of a 12/97 GTP with 180k on it, that wouldn't work would it because the GTP trannies are different?
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11-01-2015
Yeah, I figured it probably has the older tranny - but, if it was well-maintained and never abused it might go for a while. I got a tranny out of a 12/97 GTP with 180k on it, that wouldn't work would it because the GTP trannies are different?
11-01-2015
You can install a GTP tranny in a GT of the same year. I don't know if you can do it with that tranny though.Originally Posted by Kaiser Pontiac
11-01-2015
not exactly, gear ratio's are different and would need a tune.
:4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
11-01-2015
It will bolt up the same and you could basically swap trans. The GTP tranny he was will bottom line not work in this LeSabre.
11-01-2015
Yes it will, you just have to retune the pcm for the gear ratio change.
Originally Posted by The Sunfire Guy
11-01-2015
I can never win.
11-01-2015
As long as the GTP trans is from a 98-02 car it will work with a tune and the passenger side axle.
Originally Posted by The Sunfire Guy
11-01-2015
Now to tell if it does in fact have a 4T65-E in it is very simple, look for 2 things,
- Is there a vac line going to the trans?
- Does the trans have just a wiring harness plugged into it.
If it has a vac line its a 4T60-E
If it has just a wire harness its a 4T65-E
Originally Posted by The Sunfire Guy
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