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      03-07-2020, 11:30 AM   #25
XutvJet
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Drives: 2011 Cayman Base, 2016 M235
Join Date: Mar 2016
Location: Kansas City

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Quote:
Originally Posted by TemjinX2 View Post

your also over exaggerating the aluminum pipe heating the air. The air thats going to the charge pipe is already cooled by the intercooler and is traveling at a very high speed at a very short distance. i doubt the fact the charge pipe is metal will have much of a effect on intake temps...the intercooler would have most the influence on that.

I have vrsf aluminum charge pipe and csf intercooler and my intake temps are already 20 degrees cooler then stock and at a higher boost level.
During normal driving and with little throttle, there is hardly any air moving through the intake and intercooler piping. Thus piping heat soaking is a very real thing. Not until you're actually using moderate to heavy throttle do the IAT start dropping significantly and closer to ambient temp. Most guys only data log under full throttle and if they actually datalogged during normal driving, they'd see a very different picture, regardless if they had an upgraded charge pipe and/or IC. A metal charge pipe will most definitely retain more heat during normal stop and go traffic.

I wish some vendor would just make a hinged plastic clamp that fits completley around the OEM charge pipe neck at the throttle body. It would support and strengthen the failure points and would be cheaper and easier to install plus it would be far better at dealing with heat soak and sealing for boost leaks.
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