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Old 04-09-2023, 05:53 AM   #83
tomm.brz
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v2 91 has timing for 91 and aim to an advance multiplier of 1
v4 is made for 93 oct so advance multiplier will float around 0.6-0.7 with 91oct as in your case
Not a big difference, with v4 you let the engine knock so that it learns the maximum timing for your fuel, not the best but it s the same as OEM strategy, not a big deal

Yes sorry i meant that your car is knocking *in general*, stock tune always starts up with 0.7 advance multiplier, if it goes lower than that it means it has knocked before and advance dropped further
A driving around log is more usefull, like OP did
Just stabbing at idle with no load is not so usefull
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