20x10- 305/35/20. The original 275’s were toast before the first 500 mile break in oil change. If I go any further, I’m gonna have to go on a drag pack
Cam, pushrods and lifters. The shop sent the intake manifold to MMX to get ported. The heads only needed resurfaced and valve checked. The block got stroked out to 411 and built for up to 30 pounds of boost