exhaust
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Senior User
Joined: Mar 2004
Posts: 281
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From: Buena Vista VA
exhaust
Today i installed my 4 inch exhaust i just straight piped it and now im hearing a whistleing noise is that just the turbo that i hear is it something else and also i've always heard it nots good to straight pipe a gas engine so im thinking a diesel is different cause so many ppl do it just don't want a expensive repair bill thats all
Post Fiend
Joined: Aug 2002
Posts: 5,324
Likes: 1
From: Denton,TX
Feeeeeew, I kept waiting for a period in that post. 
Let me take a deep breath now first...
Straight piping is not bad for a diesel because the turbo already provides enough backpressure for the engine. It does move the power up slightly in the power band though.
Let me take a deep breath now first...Straight piping is not bad for a diesel because the turbo already provides enough backpressure for the engine. It does move the power up slightly in the power band though.
Elder User
Joined: Jun 2003
Posts: 642
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From: Bay Area, CA
Originally Posted by CAT_man_963
egt = Exhaust Gas Temps - monitored with a Pyrometer gauge
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Post Fiend
Joined: Aug 2002
Posts: 5,324
Likes: 1
From: Denton,TX
Originally Posted by Black88GT
Ok Thanks, Ive heard one of these is a must if you do any mods. Would it go before the turbo, so you dont blow it up?
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Elder User
Joined: Jun 2003
Posts: 642
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From: Bay Area, CA
Originally Posted by johnsdiesel
It should be mounted pre-turbo because the purpose is to protect the engine, not the turbo. If you have turbo problems from heat then that means you've already had engine damage. The best place to mount it is in the exhaust manifold.