#65527, "Anyone have setting #'s for the profec b spec 2"
I have been messing arroung with this damn thing for a while now and I am still getting boost spike(I think). It builds boost fine but then at full boost it will start surgeing with boost going up and down, this is what I believe to be boost spike. I am trying to set it for 16-17psi does anyone have any numbers where I can start from? Thanks, Patrick 96 GS 14.14 @ 96.5 mph on 8psi 8 Nov.02 HRC kit, S20G, FMIC, Howell bottom end 8.6 pistons, S-FMU, Blitz BOV, P&P head, SS valves, lots more little goodies
#65535, "RE: Anyone have setting #'s for the profec b spec 2" In response to Reply # 0
I'm not sure as I have never used that controller but they all basically work the same way. I believe you want to change the Feedback speed. Basically that tells the unit how quickly to sample data and respond to it. If your FB Speed is too low you will overshoot your desired boost level. If it's too high you may get some boost lag. If it's being really strange I would test the pressure sensor and boost control solenoid to be sure they are in proper working order.
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