Straight exaust on a diesel

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jmc - 30 Jul 2006 08:22 GMT

Having an argument with my son over a Ford diesel truck F-250 Super Duty (
highway driving only, 50-60 miles a day ) he owns. He wants to run a
straight exhaust from the manifold back or run stacks straight thru. I am
telling him he can create an engine problem doing this in regards to the
valves or other engine parts on a bone stock engine, he says not. As I'm a
gasoline person I don't know the answer, hope someone does here. He is not
talking a cat back system. I used to do this with a car back in the 60's
and ended up burning valves. Thanks.

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My Names Nobody - 30 Jul 2006 17:00 GMT

> Having an argument with my son over a Ford diesel truck F-250 Super Duty
> ( highway driving only, 50-60 miles a day ) he owns. He wants to run a
[quoted text clipped - 4 lines]
> not talking a cat back system. I used to do this with a car back in the
> 60's and ended up burning valves. Thanks.

Is this a turbo engine? If so, then your concerns would be moot, do to the
backpressure/resistance caused by the turbo. If you are talking a pipe,
back to the rear of the truck, with no muffler, cats, or scrubbers? besides
being horrendously noisy and dirty, this wouldn't hurt the engine...

With a gas engine, if you have headers, your valves should be fine. What
you are describing is generally a result of large exhaust leaks at the
exhaust port..

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