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How Much Heat Wrap To Wrap An Exaust Manifold

s13_Skyline_inside
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meet07 Enthusiast

meet07

Posted
Posted

yeah I always thought about that. I would think they would with the cheaper manifolds that are made out of 304 and 321 Sus. There already crack with the turbo heat....then you talking about trapping the heat more. I think it is possible.

3LGODZILA Proficient

3LGODZILA

Posted
Posted (edited)

i was considering wrapping my manifold, turbo & dump pipe, i spoke to 2 owners of 2 different exhaust workshops & they both warned me of cracking. and one of them told me it would be a waste of time anyways, that i would notice no differnce in power, i was expecting higher velocity exhaust flow to quicken spool (probably fark all) , & cooler engine bay/intake temps. but this is on a stock rb25det besides full 3inch exhaust & upped boost, he told me the stock heatshield should keep the temps down enough.

-would it hurt to wrap my mild steel front/dump pipe ?

-and also if i did, it would make my EGT higher wouldnt it? and this would only cause bad effects on my ceramic turbine?

:P

Edited by jimmys-33T
ClutchBurndout-:( Grand Master

ClutchBurndout-:(

Posted
Posted

oh oh just the topic i want to see, sorry if im highjacking.

i got a stock setup apart from my dump/front which is 3 inch, im planning to heat wrap ist since the heatsheild didnt fit on this dump, is it work heatwrapping? i mean the obveous reason is stopping the heat from hitting the rest of the car but do i realy need it? perhaps i will on the realy hot days in summer when the engine might get hotter but atleast the front dump will cool down quicker with no heatwrap

any ideas? cheers

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