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Author Topic:   how much rpm change?????
Dirt Roller

Total posts: 21
posted May 23, 2002 11:33 PM
ok guys heres one for ya..
1/3 mile track 4.90 final drive
how much rpm am i gonna gain going to 5.66 final?

Dirt Full Roller

Total posts: 70
posted May 23, 2002 11:44 PM
Take your current rpm, multiply by 5.66 and divide by 4.9 , this will give you an approximate rpm change. It might be a few rpm higher if you lap times decrease.

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