I have the AEM boost/AFR gauge with logging capability so the same measurement method was used. Since then I have added another idler pulley to the serpentine belt driving the SC jackshaft so if anything the later runs should have been higher because any belt slip should have been eliminated.
The only real difference between the two readings is that one was stationary on a dyno and the lower reading was done on the road. Now you know why this has been so difficult to troubleshoot.
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RJM pedal, Hotchkis Sway Bars, FI TDX, FOG Light, Z1 Slotted Drilled rotors, Stillen SC, Quaife ATB, Z1 Oil cooler, AEM Gauge Set, Galeforce gauge mount, Avant Garde M590 Hypersilver w/RE-11, TopgunZ A2A kit., ECUtek tuned by Seb: ROLL TIDE!
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