Help with backspacing on 71 Firebird...

[tazzz2_ca]

Originally Posted by cpd004

I'd like to, but it doesn't appear they'd fit.

Here's a 275/40/17 on the car now:



Also having a hard time finding a tire size for an 11" rim that doesn't have too little sidewall.

I would call ride tech and ask about your spring perches,,, the shock looks to be laid way over to the outboard side in the photo... Maybe just the angle but my 70 Formula looks like this....