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Payton

12-05-2002 08:27 PM

power band of 454 mag

What is the ideal rpm range for a 454 mag? I've done a search on 454 mags and all I really got was max rpm. 5200-5400?? What is ideal 4900? Is 4600 to low then?

It's all stock, even the exhaust. I'm thinking about upgrading the exhaust, maybe to the new Dana's. They claim 20-30 hp over stock.

formula31

12-05-2002 08:31 PM

The mag should be good around 5000 rpm. The 7.4 is 4200-4600.

Griff

12-06-2002 02:02 PM

Prop the boat to run 5100rpms with a light load. With a heavy load you'll probably drop 100-200 rpms. 454mags(depending on year) have rev limiters set at 5150.

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