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Exhaustpipe cracking under heat???

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Old 06-15-2005, 02:51 AM
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turbinek
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Default Exhaustpipe cracking under heat???

We know exhaust temp should be as high as possible to turbo.
To keep the heat in the pipe there is wrapping or coating.
Coating a pipe from the inside may beware the pipe from heat
wrapping will result definetly in higher pipe temp -
will the pipe crack under heat?
I know some people do wrap - but how long does the pipe tolerate this?
Racers, at least I think that, don't care because if it cracks they always have the money to fix it.
What do you think?

kind regards Frank
Old 06-15-2005, 07:50 AM
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special tool
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No cracks yet! And I still have welded pipes.
Old 06-15-2005, 08:53 AM
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J Chen
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I have seen inside coated manifold flacking
mainly because theres no proper way to prepare
the inner surface before coating. Coating the
exterior is safer & at the same time it still allows
some heat to radiate off the pipe which should
prevent cracking.
Old 06-15-2005, 09:16 AM
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Yeah - I juat have DEI wrap - I would never put that **** inside my pipes.



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