This is where I'm at:
added Magnum 500s from a Maisto 1970 Boss Mustang along with the kit (Testors) white lettered T/A radials. The side mirrors were missing from my kit so, I lifted some from an MPC kit that I have. I'm also raiding my NASCAR Thunderbird kits again for 351 engine parts'....this the 3rd one of these TESTORS's kits that I'm putting together so I'll have to start searching for more of them soon.
As far as the interior, the seats and door panels will be white, ran into a problem with the spray can I was using so I'll have to strip and repaint 'em.