E_RICE Posted May 28, 2013 Report Share Posted May 28, 2013 Does Anyone Know If A 4T65E-HD From Any GM SuperCharged Vehicle Will Fit In A 1999 Grand Prix GTP Quote Link to comment Share on other sites More sharing options...
killerspeed101 Posted May 29, 2013 Report Share Posted May 29, 2013 97-02 will work, the 01-02 will have different transmission line fittings tho Sent from my SGH-I747M using Tapatalk 2 Quote Link to comment Share on other sites More sharing options...
Imp558 Posted June 3, 2013 Report Share Posted June 3, 2013 There were differences with the solenoids in the later ones too. I found this: http://www.gmtuners.com/transmission/ That will give you the ability to decipher the tag on the back of a 4t65. Don't de-grease the tag with anything that eats paint, the stuff you need is painted on, lol. Quote Link to comment Share on other sites More sharing options...
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