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So I have about 120K on my truck now and I used to see 40 PSI no problem it would hit the boost alert far before the EGTs would get there. I had to get a upgraded edge due to the display going out and since then it will only push around 30 PSI and maybe creep to 33-34 PSI. I'm pretty sure that the edge chip has nothing to do with the turbo or the wastegate. Doesn't seem to be any abnormal shaft play on the stock turbo and can't find any boost leaks. I first thought that maybe the edge wasn't reading correctly but then I got a Snow performance kit and that uses a manual to digital gauge and it is exactly the same. Any Ideas of why this could be happening???
 
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