Quote:
Originally Posted by EsChassisLove
Oil will drop your fuels octane rating.
I know first hand on a dyno that it will
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I agree with this 100%,its well documented
A petrol engine burning just one drop the size of a pin head will lower octane by 1/2 points I recall from articles years back
In the UK we had the Ford sierra cosworth in 1986 and the development for just the YB series engines alone by many tuning companies proved this way back then