1970 Trans Am Rallys Wheels?

[Steve Wolfe]

Does anyone know the backspacing on the original 1970 T/A rally wheels?

(JW’s, I think).

I am considering using a set of later HWs with a 4.25 backspace.

 

[Tjak70]

Just measured a JW rim, which is correct for 1970 T/A - 4 1/4 backspace.