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This is going to sound extremely dumb but if I wanted to see why my boost is only at 10lbs boost and 10 lbs vacuum, could/how/where would I hook up a mighty vac to check for vacuum leaks? already replaced wastegate, turbo spins freely and wheel looks in good condition... Just at a loss for what...

Ok, as the title states my 20g is maxing out at 15lbs of boost. I'm trying to achieve 20-22lbs. I have done all I can think of as far as tuning the chip and preloading the wastegate. I've tried to search with no luck 0_0 I know the 20g is capable of more than 15, basically Im just wondering if...