ok, for my BW 9 bolt i will be installing, i know i have to change the prop valve. can i use a prop valve from an 86 camaro with 4 wheel disc or do i need a special one becuase its a BW rear? i really dont want to install an aftermarket prop valve..i dont trust myself....

 

IIRC, the one from the same year of your car.

I could be wrong though.

 

you want the flat sides machined looking aluminum one, not the round cast looking one.

 

ok, thanks ede.