Backspacing On Jason Wyricks Camaro

[1971ssls1]

Does Anyone Know The Backspacing Of Jas Wyricks Second Gen Camaro With 18 And 20 Tt2 Classics, Thanks???

[TravisB]

I helped him get his wheel tire combo....the rears are 20x10 with a 4.5 bs not 100% sure on the front. The rear end was built after the car had wthe wheels under to assure proper BS and get the deep look. His car is also mini tubbed