82 ta rear end swap 10 bolt to 9 bolt help - Third Generation F-Body Message Boards

srosscamaro@aol · 01-10-2010, 02:59 AM

ok heres the deal i have an 82 trans am and i just swaped in a 86 trans am 9 bolt disc brake rear end in and the fitting for the brake line is different should i get an adapter?if so does anyone know the thread pitch?do i need to change the proportioning valve over from the 86 or will the treads be different to?

JamesC · 01-10-2010, 07:43 AM

Quote:

Originally Posted by srosscamaro@aol

ok heres the deal i have an 82 trans am and i just swaped in a 86 trans am 9 bolt disc brake rear end in and the fitting for the brake line is different should i get an adapter?if so does anyone know the thread pitch?do i need to change the proportioning valve over from the 86 or will the treads be different to?

82-83 (and perhaps 84) have SAE threads, later models metric.

JamesC

DJP87Z28 · 01-10-2010, 09:28 AM

Quote:

Originally Posted by srosscamaro@aol

ok heres the deal i have an 82 trans am and i just swaped in a 86 trans am 9 bolt disc brake rear end in and the fitting for the brake line is different should i get an adapter?if so does anyone know the thread pitch?do i need to change the proportioning valve over from the 86 or will the treads be different to?

You will need to change the proportioning valve and make sure you get the parking brakee cables from the 9-bolt. The present 10-bolt ones will not fit.