Re: 10" wheels and 275's ???
I got 275's up front - nothing stock, but running them on 9-1/2's. 10 may be a bit too wide. Had 10's back in the day mounted on 295/50/15's with coil overs when it was stock and when it was cool for the tires to stick out a bit. Now everything needs to be tucked in properly like that loose shirt your mom always told you about lol.
'68 Camaro with RS conversion
Moser 9" with 4:11
Martz Chassis 4-link and Front Sub-frame
Tremec T-56 Magnum 6 speed
572 BB - CM Engines
Wilwood 6 piston front and 4 piston rear disc