Originally Posted by Bhobbs
The new wheels and tires are part of the engineering.
Putting slicks on a car is a marketing decision. If other manufacturers started putting slick compound tired on production cars and making claims of being better than the competitors performance number, you would have a weird cold war that results in all sports car having tires that last two months after purchase...but stick really well.
Gm design or even aid in engineering these tires. They signed a contract to supply that tire with that car.
Rotofab, grinding rear diff sound forever, dealer replaced supercharger - now i have a rattle when starting from a stop, ordered 2.35 lingenfelter pulley, hp tuner, belt, 100mm idler pulley, tr7IX spark plugs, wideband kit, long tubes with no cats...hoping for 650hp. dyno with rotofab = 518hp