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this tune works great. many many hours of datalogging to perfect it. truck is modded for heavy towing but hauls balls. need to run premium fuel though

I too am curious about the drive modes. There is no info on any of the rzr forums about people enabling this but I do know on the rangers that have it it appears to change pedal sensitivity. Like a...

I see component overtemp lambda. But that just takes it down to .922. It should be around .82 for a afr target of 12:1. Is this correct. It does seem that they are running lean at wot. I wouldn?t...

What I ride
2017 RZR XPT4
2016 RZR 900s

What we tow with
2006 F-150 5.4 SCAB FX4 HP Tuned!