I have a buick TH400 in my 87 gn and my question is does anybody know where i can order something to make my speedo read the correct mph for my direct scan? Its off about 10 to 15mph any info would help alot. usa uzi silly
its a 400TH TRANS it isnt a 2004R electronic trans
this 400TH has a fully manual valve body.the 2004R
i had about a day bilt from hell and back spit the plantary gears out the bottom so $2500.00 down the drane eek! .i put a BOP 350TH in the 87 blow it up so i got a old buick land barge took the 400 out of it and bilt it to hold.it hasnt let me down yet so back to the subject i really dont see
the STALL being effected considering its fully manual.