Eric_Oz_S2

I am still planning a supercharger conversion for my S2, and one of the parameters that I am interested in is volumetric efficiency (VE). I am curious how the VE ratio changes with RPM. Obviously the peak VE will coincide with peak torque. This information would be useful in guessing a base map (taking into account increase in VE with the SC boost).

Has anyone ever logged the AFM signal vs RPM at WOT (preferably for an S2)? Since Rogue has bench tested the AFM, it should be easy to use this info to calculate VE.

Getting an answer here is probably a long shot I know.

Eric

HJK

Let me check what data we kept. We re dynoed yesterday after installing new exhaust manifold. Funny Hp and torque run the same as earlier but because of better breathing we got 50 more Hp higher up in rev range. Now over 310 at wheels. The pic is in my build tread
H

Eric_Oz_S2

Henk, Wow - that's a significant improvement just by changing the exhaust.

Any info you have is appreciated.

Thanks

Eric