formula for engine rpm vs gear?

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d2racer
Quarter mile
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formula for engine rpm vs gear?

Post by d2racer »

anyone know what the formula is to figure out what the cruising rpm would be on my car if i change from 3.27 gears to 4.10 gears with no other changes ??

right now its about 2400 at 65mph in 5th gear

thanks
"your only as good as your last round!"

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Fat Bastard
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Re: formula for engine rpm vs gear?

Post by Fat Bastard »

in your case it would be rpm / 3.27 x 4.10
so 2400/3.27 = 733.9 x4.10 = 3009
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d2racer
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Re: formula for engine rpm vs gear?

Post by d2racer »

COOL THATS ABOUT WHAT I FIGURED ON - 5-600 RPM HIGHER , THANKS
"your only as good as your last round!"

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