225/70's will work fine in front, maybe rub in an extreme turn situation. Candidly, the 215's will look a little small given you going larger on the back (IMO).

In back 275/60 is pretty much the "default" size that will nicely fill the wheel well.

Last edited by Kowal; 08/10/12 07:17 AM.
'69 Hemi Charger 500, ‘70 U code Challenger R/T
(These and a bunch others at www.dkowal426.com)

P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."