boost levels

15 psi - 10% OD on an MPx and 15psi on my built 1990 5-speed
15 psi - 10% OD on an unported stock blower on my stock SC auto
 
I got 27 with belt slip...

That's right, 27 lbs with slipping going on as well. I just put another guage on it that was tested before install to see if it was on the $$$ and it is.
Setup, MPX, coated rotors,M.P.s' 10 rib setup with springs. and all the od that Charles could get me... Going thru kook's long tubes, no cats and Borla stainless exhaust..
This boost is at WOT at max rpm's... This will be some kind of a test to see how long the engine stays together with all this boost that is for sure.. I do know that if I drive like my age I can keep the boost down to almost nothing if I really try.. Sure it can be done, but it is not much fun that way....Rich
 
89 5spd Early model blower....Currently 9psi

Slightly ported Intake I/C tube..Ported SuperCharger entry and i/c tube...Nothing done to the exit.....Slightly ported heads..Ported stock T/B exit and plenium...No resonator..Stock cats..Y pipe into one muffler...Stock air box w/k&n..70mm maf...
 
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