boost falling off

Foxbodyguy49

Member
Jul 30, 2019
58
9
18
29
Longisland
took my car down to the local meet up today and had some fun on the way. I logged the whole drive and noticed im only making 5.5psi from my supercharger and boost is falling off at high RPM not holding steady. its a powerdyne with 2.62 charger pulley and 7inch crank. belt was tightened before drive. any ideas why its falling off up top? I also feel it should be making more boost. usually I see 7+
 

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