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Message: [QUOTE="Dieselboy., post: 757825, member: 1232"] Alright, its been almost a year since I installed my wastegate (hypergate45) Since I cannot make over 44lbs of boost. Before in the same tune the truck would hit 47#, and 53# in the drag file. Now no matter what it will not go over 44# I've pulled the whole Turbocharger system apart checking boots, replaced the intercooler. RTV'd the compressor housing V-band to the IC pipe. Pulled off the wastegate to check the springs. (has the heaviest 26#). I'm running FULL unregulated boost to the top of the gate just to see if I could hit similar numbers as before. And 44# is the max. I made a boost leak detector and plugged the Cold side IC pipe to test it. Held 25# fine. All my fittings and sensors in the Y pipe I re sealed. Checked the boots. The only thing left is my intake manifolds. However, no RTV appears to be "blown out" And I don't see how it could fail while the truck sat waiting for the new uppipes. I realize Boost isn't power. But I'm more or less curious as to why I cannot get the truck to go over 45# FWIW last year it ran a best of 12.38@106.2 This year its best has been 12.43@107.1 with a slower 60' So she is still putting out. I am just at the point of tossing the wastegate and blocking off the pipes. Turbo is an S475 with the 83/74 exhaust wheel and a 1.10 AR. [/QUOTE]

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