Re: Tubs ???
Steel - so they could be welded in to the outer wheel housing and inner trunk pan. I wanted everything as structurally sound as possible on my build. I would use aluminum if I wanted that race car look where everything was beaded and rolled aluminum with a full cage of course.
'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