Quote:
Originally Posted by charged86
Maybe 3 inch. 3.125 got me 10psi
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According to the dynos weather station 3.125 gave me 11.5psi at 7100 rpm. Ecutek logs with checking ambient atmospheric pressure of my 3var showed 11.5 at 7400
Your exhaust flow and can tuning cam affect this boost reading. Unless someone has installed a pre-intercooled iat sensor you may not get the info you want. However my pulley is nearly that size and I have been doing a lot tests including multiple dyno sessions. Maybe if you just tell me what you are aiming to find I can just directly answer it.