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Old 11-20-2008, 12:48 AM   #24 (permalink)
Christ
Moderate your Moderation.
 
Join Date: Nov 2008
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I've only done it to the extent of relieving underhood noise and vibration... never to keep heat in.. I was always against that, actually. Being a racer, I determined that it's a bad idea to rev an engine to 9k constantly and keep all that heat in.. something will melt.
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