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Old 02-05-2021, 04:45 PM   #8
Tom
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Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,701
Re: Best highway RPMs

Quote:
Originally Posted by Thealien View Post
I mentioned "What is the most comfortable and efficient RPMs for an LS3?"

Engine longevity, noise, comfort, mileage?
In that case lower is better as evidence by the factory. When they make a gas mileage version of a vehicle, axle ratio's and resulting rpm's go down.
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