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Emvici · 08-18-2015, 07:57 AM

winterboy, yes you want the butterfly closed all the way. when the butterfly is cracked open, then boost leaks out. It is ok for the stop screw to be touching the plate, as long as it is not pushing the butterfly open.

08-18-2015, 07:57 AM	#217
Emvici Drives: 2014 ZL1 White Convertible Join Date: Aug 2013 Location: St Pete Fl Posts: 682	winterboy, yes you want the butterfly closed all the way. when the butterfly is cracked open, then boost leaks out. It is ok for the stop screw to be touching the plate, as long as it is not pushing the butterfly open.