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CRAP :bash_1_: Shades of NASA GTS where the average hp and tq to get an artificial number...moved my car to run with ITS and ITR cars.....el toro po po :bash_1_:
Gentlemen...the only measure of straight line performance is the hp or tq applied to the ground. If you are going to develop a formula, you must include the gear ratios because, and I use my car as an example, straight tq numbers are meaningless. Example: Mr. Amy's car makes 160hp, uses (for example) a 4.00 rear gear. Multiply the two and you get 640 applied hp. My car makes 140hp and uses a 3.73 gear(because my red line is 5600) so my applied hp is 522. (This is of course assuming equal top gear and tire sizes.) Now use those numbers to arrive at recommended weights and see where those two cars fall.
My point is, NASA went down the slippery slope and was blinded by cranial rectosis....it takes a very expensive all out build to get to the hp/wt minimum of each class.
Chuck :bash_1_: Baader [/b]
Gonna be hard to use a 'free' item (rear gear) in any calculation.