Quote:
Originally Posted by ZPirate
As I understand it, the reason for the steel sound plate is to reduce the supercharger whine in the cabin. It's that simple. I suppose the engineers felt like ZL1 owners wanted more refinement. The plate is also coated on the side that attaches to the supercharger lid. By removing it you can hear more supercharger whine, but like I said that isn't necessarily a bad thing, especially if you like to hear the SC whine. I don't see it as a bad thing either. Although after I removed the plate I started hearing a faint whine with the radio off even at idle that I didn't hear before.
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And as a result, you also noticed cooler IAT ? I followed along in the other thread you had started and most people said they didn't notice a difference. If it drops the IAT a few degrees and reduces the speed of heat soak, I feel its a benefit all around to remove it.