69 Barracuda front RMS suspension issue
Here's what I used with my RMS setup with the 11" wilwood disk brake package.
Front Wheels: Torq Thrust Model AR105M 7765B 17 X 7 0 Offset , 4" backspace.
Rear wheels: Torq Thrust Model AR105M8966B 18 X 9 34 Offset, 6.34 Backspace
Hers's what RMS recommends.
Wheel and Tire Information