Just noticed this post. The first gear numbers are a variable - the formula works for 2nd, 3rd, 6th... use any gear ratios you like, it still computes.
The whole idea of including gearing as a variable in the formula allows you to examine the effect of changes other than weight and horsepower. Without this, how to judge the potential effect of taller gears or swapping to a 6 speed or aod?
Weight/horsepower is an important ratio, as is weight/torque. Being able to compare a series of gear changes that don't alter either weight or torque but DO alter acceleration, et, etc is also good to know.
tripleblack
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Originally Posted by stangb16a
i would think measuring performance with a first gear acceleration number would not be that beneficial. there is a lot of thrust in first gear, but when your in third you really start to notice that all that hp isnt doing anything in a heavier car. i'd rather stick to power to wieght ratio numbers. less math too. but that is just my opinion.
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