Quote:
Originally Posted by Silvia_Drift
The boost will hold steady at 19psi until I get to about 6600rpm. From then on all the way to the 8000rpm limiter, boost falls off to about 15psi before I hit the limiter.
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There are a few things:
1) Boost leak (i had this and it only caused boost drop off at high RPM)
2) Wastegate flapper can't stay shut enough to hold boost