trans settings lowered my boost??????

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03-22-2005, 07:59 PM

DanaliHD

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trans settings lowered my boost??????

I am running a 10lb pulley on my whipple. the other day i changed some of the trans settings via HPtuners. Now, the truck is much more responsive and feels a lot better, but, i can't get the boost over 5lbs. WTF?

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03-23-2005, 08:28 AM

DanaliHD

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No thoughts on this guys? should i post it somewhere else? It's very strange. the truck feels MUCH stronger, but, the boost is MUCH lower on the gauge. maybe i have a leak somewhere in the little tube that runs the gauge.

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03-23-2005, 11:18 AM

greentahoe

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I dont think it has to do with the shift settings, especially with a twin screw. Something else has to be going on. Have you checked the bypass valve? Sounds like its stuck open.