Re: 4.7 vs 5.2

From: jimm (jmiller@texnet.net)
Date: Sun Sep 26 1999 - 14:59:17 EDT


Mst29@aol.com wrote:

> do those engines happen to have higher rev limit than the current pushrods?
> I haven't seen one yet but the 4.6 in my wifes 96 Cougar wont rev past 5500.
> The rotary Mazda engine which has no valves and no pistons so it could rev
> forever has a limiter too. The EPA does not want engines reved too high
> even if it wouldn't damage the engine because as rpm goes up the % of
> unburned gasses rises sharply and more emissions result. So I am not looking
> for very high rpm engines because of the Gov Regs!

Jim in Waco.



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