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Old 09-22-2015, 12:14 PM   #21 (permalink)
Chuck33079
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Join Date: Nov 2011
Location: Houston
Posts: 12,265
Drives: 2011 370ztt
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Quote:
Originally Posted by turbooo View Post
My friend own same car but he installed Stillen superchar. ..and he really drives fast pushing the engine to maximum limits...6 bars was the highest he recall seeing. ..stock radiator
The Stillen kit is an air-to-water intercooler with a very small heat exchanger. The GTM kit has a hefty air-to-air intercooler which might be blocking too much of the radiator. The air that would hit your intercooler directly when stock now has to go through a 4" inctercooler core and now that air is much warmer when it hits the radiator.

Get an upgraded radiator (CSF), make sure you're running straight water+water wetter, and make sure the fan tables are set to come on much sooner than stock. That will likely help a lot.
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