Thread: Engine swap / Trans swap 2001 gtp v. compatible years

Originally Posted by BillBoost37

If you'd like to increase your chances of getting a better price.

Look up
99+ Bonneville SSEi
99+ Park Avenue Ultra
Buick Regal GS

They all have the same HD transmission as the GTP. Only difference is on the Bonneville and PA...the dipstick tube is different. It's held in by a 10mm bolt.

And statistically, those three are far less likely to see the kind of abuse a GTP trans sees.