What is the formula...
Thread Starter
Supreme Member
Joined: Sep 2002
Posts: 1,500
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
What is the formula...
...for finding which gears that I need to be at a certain rpm to cross the lines in a 1/4 mile track?
thanks
thanks
Senior Member
Joined: Sep 2002
Posts: 984
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From: Nebraska
Car: '89 Formula
Engine: 355
Transmission: 700R4
Axle/Gears: 9 bolt
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Joined: Apr 2001
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From: Missisauga ON
I use this formula (RPM X RADIUS X .006 /mph= gearing)
ex. 5000X13X.006/100mph=3.9
In a case like this you would 3.73 or 4.10
Or try mph X gears X 336/tire diameter=r.p.m.
ex. 100 X 3.73 X 336/26=4820
ex. 5000X13X.006/100mph=3.9
In a case like this you would 3.73 or 4.10
Or try mph X gears X 336/tire diameter=r.p.m.
ex. 100 X 3.73 X 336/26=4820
Thread Starter
Supreme Member
Joined: Sep 2002
Posts: 1,500
Likes: 0
From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
Cool thanks, I think that is the only article that I haven't read yet. Well, going to change that now.
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