Rpms

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March 28th, 2011 | 11:08 AM

jstanley_78

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From: KY

Rpms

I have a 2007 Surburban and was wondering At 70-75 mph what rpm should i be seeing?

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March 28th, 2011 | 3:44 PM

AZSCTACO

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Depends on what gears you have

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March 28th, 2011 | 4:05 PM

73shark

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From: KC, MO area

Around 2K.

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March 29th, 2011 | 7:34 AM

ousig2408

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From: McKinney, TX

we have the 3.42 gears and are about 2k like Shark said

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March 29th, 2011 | 9:45 AM

SabrToothSqrl

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Joined: Feb 2008

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well

Determine the circumference of your tire, then using some math, find out how many revolutions it will do in a mile(5,280’) then multiply that by your axle ratio, then your transmission ratio to find out the RPM for any given MPH and gear. easy stuffs…