Quote:
Originally Posted by WaterCooledNelds
Simple fix.
Black intercooler.
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the only way to know is hook a boost gauge between the blower and intercooler to see if it reads higher than the one in the intake manifold. I think that blower has an 1/8" npt plug in the outlet housing where you could hook up a mechanical boost gauge temporarily to see. If it shows 14 psi there then the issue is the intercooler or you've got a big boost leak between the intercooler and engine. If it shows the same boost before and after then you've got belt slip issues, which are fairly common with the stock ATI tensioner (though Don never had a single problem with his, which is why we left it alone). SD Performance Concepts makes a much better tensioner for that , it's a direct replacement and I and many others run it instead of the stock ATI one.
Jody