As a warning this amount of leanness is not good for your engine. Shawn told us this was typical for a bolt on 350Z. After establishing a baseline, Shawn noted that Project Z was running really lean, leaner than 15:1 in many places.
RPM, Minimum Effective Injector Pulse Width. Osiris features the ability to manipulate these items: Up to 5 Maps on cruise control equipped vehicles, Idle RPM, Speed Limiter, Electronic Throttle Control to achieve Wide Open Throttle at all speeds, Rev Limiter, DTC disable, AFR Targets, Fuel Compensation, Ignition Timing Advance, Cam Phasing for equipped vehicles, MAF transfer function, Cranking Enrichment and Ignition Advance, Injector Latency, K Fuel Multiplier and Intake Temp, Calculated Load vs. Osiris allow user tuneabilty for all the functions of the stock ECU, enough to tune even wildly modded engine. For late model Nissans, Shawn uses Up Rev's Osiris tuning software to reflash the stock ECU.
The man himself Shawn Church tuned Project 350Z personally and walked us through his VQ35DE tuning methodology.
