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  • Menace
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Hey lads,

What are peoples experience when it comes to wrapping the dump pipe and back pressure?

I realize it would be better if it was coated or ideally pre turbo, the dump pipe will self destruct, etc

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https://www.fordxr6turbo.com/forum/topic/87929-wrapping-my-dump/
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  • The Toxic Rocket
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wrapping it just keeps the heat in the exhaust and out of the engine bay. Hotter exhaust gas* flow faster through the exhaust

Edited by Trent0
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Down side can be the steel (depending on quality) can weaken earlier or show signs of rust due to condensation after the car is shut off

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  • Menace
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  On 07/04/2014 at 1:26 PM, Trent0 said:

wrapping it just keeps the heat in the exhaust and out of the engine bay. Hotter exhaust gas* flow faster through the exhaust

Higher velocity = more back pressure?

  • WOT?
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  On 07/04/2014 at 11:41 PM, McMattyP91 said:

Best thread title ever

https://www.youtube.com/watch?v=MMZvmU0XHVc

Edited by raband
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Tis a fantastic thread title.

Can't see the wrapping doing anything for the gas velocity, I think it's just keeping the heat in the pipe & out of the bay. (eg, what the shield does a bit)

Btw, anyone running a turbo blanket or something at all? pics?

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  • Member For: 11y 5m 3d

Both thermal and kinetic energy help spool a turbo, so its absolutely beneficial to keep heat within the header and turbine. This is why you see quite a few cars with ceramic and other thermal coatings on manifolds and turbine housings - not to mention keeping engine bay heat right down. Once it exits the back of the turbo, the only real (but still very important) benefit of keeping the heat in the exhaust system is to stop things from melting.

Seems to be a lot of different opinions around it being detrimental to piping. Some people say thermal wrap causes the pipe to overheat, keeps moisture in, and a bunch of other theories. It sounds like the majority of premature failures come from too thin or cheaper mild-steel piping, either way if it were me and I had heat issues id be trying heat shields (you can get acl ones off ebay) first and or a ceramic coating.

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