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Old 03-19-2023, 04:32 PM   #15
USSkoval
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Join Date: Jul 2009
Location: West Jefferson, OH
Posts: 999
Re: How many rpms does a 454 like on the highway?

Quote:
Originally Posted by 72c20customcamper View Post
I really think people have gotten so used to the new OD transmission where the engine turns at 2200 at 75 that they think they are doing harm to the motor when it revs . Cars and trucks put 100s of millions of miles on the highways doing 75-80 @ 3000 + RPS . My Chevelle turns 2900 and change at 60 mph . I've driven it for hours at 70-75 going to Carslisle ,Syracuse nationals and Goodguys shows. Little noisy yes did it damage the motor? Hardly
I agree completely. If it worked when new, it should work now too.

However, an engine in poor shape can live a much longer life at lower RPMs than it can at higher rpm. So if the engine is a little tired, it may be wise to keep the speeds down.
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