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Originally Posted by tech86
Did some logging of my stock tune on 98 (Shell), start of it is a 3rd into 4th gear run onto the freeway. Unless I'm looking at it wrong, this is showing the slight knock you talk about on stock tunes
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Stock tune is very prone to knock even with 98 RON. It gets worse in summer....knocking everywhere. But a good tune can greatly reduce this. Alternatively you can run on 100 RON as this is known to improve things as well.