Quote:
Originally Posted by zenmaster
I understand that all modern cars run on the edge of detonation to get the most power from the gas. But as the stock 335i would not make that much noticeable power when switching from 93 to 103, it begs the question of the piggyback running excess timing advance.
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we didnt go from 93 to 103 as we added 2 gallons of 103 to about 4 gallons of 93. the traps increased partly due to the slower short track times as well as cooler air as the night went on in addition to the increased octane. I have not heard or logged one bit of knock on the car as of yet and have not thrown one dtc or code as well. in my experience tuning turbo cars i have seen a 20-50 hp increase depending on the setup and fuel used.