4T60E SWAP FROM A 91 BUICK TO A 91 CADILLAC

Asked by BLUE91DEVILLE Nov 20, 2021 at 12:28 AM about the 1991 Cadillac DeVille Touring Sedan FWD

Question type: Maintenance & Repair

I OWN A 1991 4.9L CADILLAC DEVILLE AND MY TRANS IS BAD. IT IS
THE 4T60E (AND MY CADILLAC RPO CODE FOR MY TRANS IS ''FP3
2.73 W/O COUCHBUILDER'') I HAVE A GOOD 1991 (SAME YEAR) 4T60E
OUT OF A 91 3.8L BUICK PARK AVANUE (ITS TRANSMISSION RPO
CODE IS F17 2.84 W/O SUPERCHARGER) CAN THE 91 4T60E FROM
THE BUICK REPLACE THE 4T60E IN MY 91 CADILLAC DEVILLE?

1 Answer
19,495

Jason answered 3 years ago

no, don't try it. that transmission is not strong enough. the bonneville or lucerne with the northstar are proper. the v-6 tranny cannot handle the torque.

Mark helpful

Your Answer:

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