Quote:
Originally Posted by autobrz
Noob question, I compared stg 1 v1.34 to stock rom. I saw there was quite a bit of timing advance put into the base timing in the upper rpms (about the same amount when comparing stg1 to stg2) I'm trying to go for a super conservative tune to completely eliminate any knock even under the most stressful conditions (track in 110 deg weather).
So what I did was removed any added timing (go back to stock) from 3600-7400 rpms in the base timing and ign timing adv tables but kept all the values 3200 rpms and below in the base timing (because those won't see track conditions) and kept all the timing retard (compared to stock) in the ign timing adv table. Does that sound like something reasonable to do?
Also when I looked at the VVT tables, I'm not seeing values in the x and y axis that make sense. I'm looking at the ZA1J900D roms. Are they supposed to be rpms for y axis and load for x axis?
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i'd log it and see if the change was necessary. you don't want to just go pulling timing for the hell of it, as that can cause high egts (though probably not in your case). in any case, it's easy enough to find out if it's necessary that there is really no reason to do it blind.
if your goal is to protect against knock from high intake temperatures, look into the temperature-based timing compensations. that way at least the timing isn't being pulled straight out of the base all the time unnecessarily.