Quote Originally Posted by zorro View Post
Factory cars are not performance upgrades, they simply don't do it anymore. Dealer race specials back in the fun days of group 1 when you could option your car with a 10 bolt Salisbury or 351/350, find the right dealer pay the money and it shows up.

A factory released car maybe marketed as performance but an oem cammed/head/aspirated or fi is exactly that, a factory car. You want more go see your local engine builder
So now you've changed to factory cars.....the god damn argument is stock V performance engine, just because a cars come from the factory floor does not make the engine standard.