Volksjager
Well-Known Member
- Joined
- August 11, 2019
- Messages
- 320
- Reaction score
- 48
- City, State
- Indiana
- Year, Model & Trim Level
- 2017 PIU EB
I have tunes from 5* which are oct specific and auto octane tune from Gear head. The auto octane will limit the amount of boost depend on the OAR. My PIU had a OAR of -.16 when i first loaded the tune. Count get more than 12 lbs. another individual suched i reset the KAM and try to force the OAR to read it live. The OAR number is based on the knock numbers. Pulled up those two figures on the BDX and trying doing slow pulls in a high gear to get the knock to -3 and -4. Took a bit but i got the OAR to -.84. Problem is it didnt last. I’m back down to -.6. Im going to try a different gas station but are there any mechanical issues that can affect knock? Or is this just going to be a fuel issue? Im running 93 from Sams club