Urgent! 8100 whipple help(maybe T Byrne)
06-10-2003, 07:27 PM
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Urgent! 8100 whipple help(maybe T Byrne)
I installed a couple of whipple superchargers on 8100 yukons at the GMC dealer where I work. The 2001 model has driveability problems. When the RPM's get near 3500 the whipple light comes on and flashes and the truck loses power. hooked up a Tech II and the o2's read 400mv or above at wide open throttle, fuel pressure is 64psi, boost guage reads 6 to 9 psi. If I unhook the whipple computer and jumper the required circuits it runs fine with no boost. Does anyone have any suggestions???? 
05-23-2004, 12:53 AM
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I am looking to have a supercharger installed on my yukon xl 2500 8.1. Do dealers generally do this work? What kind of warranty issues arise from this? any specific brand of supercharger recommended?
Originally Posted by LS1NOVA
I installed a couple of whipple superchargers on 8100
yukons at the GMC dealer where I work.
yukons at the GMC dealer where I work.
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