Wrapping exhaust manifold - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 09-29-1999, 09:15 AM
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Wrapping exhaust manifold

I know that if you wrap headers it reduces under hood temp.s by a lot and that means the air intake temp. is cool, and therefore the air is more dense and that results in more horse power. Plus the exhaust temp.s are hotter, which gives them more velocity, which gives better scavenging. Now I don't have headers just the stock 2.5l exhaust manifold, but in theory if I can wrap these with header tape I should see an increase in power, especialy since the the intake manifold is just above the exhast manifold. So is it physically possible to wrap the exhaust manifold, in the fact that will the wrap cause any harm due to the extra heat? And will the hotter temps effect the cat. converter? It would also make sense to wrap the intake manifold, can I do this too?
A lot of questions, but thanks for any help at all.
Kirk
95 YJ rio grande

Kirk
95 YJ rio grande
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post #2 of (permalink) Old 09-29-1999, 01:28 PM
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Re: Wrapping exhaust manifold

Generally the only reason for wrapping exhaust, such as headers, is the proximity to things such as starter motors with engines
such as big block Chevys and Olds engines. IMO it would be a waste of money, for hp gains I would suggest putting your time and
money elsewhere. I personally have no experience with wrapping an intake, so no help there, but I would think the above would
apply.

Brad (from the 4 Wheeling center of the universe, 4 corners USA)
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