One reason is they're built super heavy. Also, they run at lower rpm's. The
5.9 Cummins hits max torque at abt 1800 rpm, and usually don't run over abt
2500. Most car engines are designed to run faster to generate more
horsepower. In a truck engine, what is important is torque-lot's of it BK.
----- Original Message -----
From: "Ryan Langford" <rlangford@attbi.com>
To: "trucks" <oletrucks@autox.team.net>
Sent: Monday, January 27, 2003 8:46 PM
Subject: Re: [oletrucks] diesel conversion
> > The Cummins 5.9 is a true diesel. It should be good for AT LEAST 300,000
> > miles before any major rework, such as rebuilding the head, etc. That's
one
>
> Thats one thing I've always wondered about diesel's. They are famous for
> their long engine life.....why do their heads (valves/seats/etc) outlast
gas engines
> by so much?
>
> Ryan
> rlangford@attbi.com
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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