I saw the 2.5% adder as well,thats why a Rotary will not be Competitive in STL. 2600# plus 2.5% for rwd is a stout 2665. Whats the rolecage break point for bigger tubes?
No porting,polishing,carb allowance,nothing to help the power output at all.
STU Streetport,carb,efi with pnp megasquirt,fab the suspension parts. huh

The first gen is probably not the hot setup. Thats the only one I looked at. The second gen and third gen cars maybe. the RX8,who knows they already have that much weight on them.

Dan 77 IT7