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#21: 06-19-2004, 06:40 PM
SUBE555's Avatar
Title: Test Driver
Rank: Donating Member
Location: Wisconsin
Car: 05 LGT Sedan - 11 Golf TDI
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I just updated it using the true formula and more accurate tire sizes. The formula used before was essentially something very close based on some magazine figures but not completely accurate as per how gear ratios work. The actual formula I used is this one:
((((RPM*60)/Gear Ratio)/Final Drive Ratio)*((Tire Dia*3.141592654)/63360IN per Mile))=Vehicle MPH

The 5EAT and 5MT have their own pluses and minuses. If you like Autos, the 5EAT box will be good for you, if you are a manual driver like myself, it should be a good ratio set overall. Drive what you'd rather prefer. In my daily driver I want nothing less than a true manual, sportshift won't cut it. But that's just me. I like the feel of a manual, no auto can change that for me, not even SMG.