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 Post subject: exhaust wrappinng
PostPosted: Sun Mar 04, 2012 10:54 pm 
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Joined: Tue Jun 21, 2011 9:54 pm
Posts: 939
exhaust wrapping:

what it do (its purpose)?
problems?
good or bad idea on a road car?

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 Post subject: Re: exhaust wrappinng
PostPosted: Sun Mar 04, 2012 11:05 pm 
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Joined: Fri Feb 08, 2008 1:43 pm
Posts: 888
Location: Norwich
Drives: 2litre Si
reduces under bonnet temperatures, potentially increases gas flow speed.

reported to cause ashley manifolds to split due to hardening of the metal, and excess cylinder head temperatures

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 Post subject: Re: exhaust wrappinng
PostPosted: Sun Mar 18, 2012 12:02 pm 
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Joined: Mon Jun 19, 2006 10:22 am
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Location: Hertford, Hertfordshire
Drives: XR2i 2.3 Turbo
My experience when i wrapped my manifold was that yes it was good at keeping the heat in the exhaust, but, where does all that heat go? It just transfers back into the cylinder head.

It made my engine run much hotter. The car felt better to drive, as if the exhaust gases where flowing better, but i didnt really want to cook my engine so i took it off.

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