Thanks for the posts, nice to see some positive response to my thread.. haha
I agree that dyno is really required for timing adjustment but I thought the MAF would go higher as the power goes up too, although it would be very tiny amount. this method worked well when I was tuning my old 350z's cam timing with aftermarket cams.. but then the fluctuation is too wide to pickup tiny gains.
have you guys had much play with the VHR timing correction unlocked by uprev few months ago? Apparently 370z's got very sensitive and complicated knock control method and I was wondering if it would be safe to increase the entire rev range by 3degree's and let the ecu just self learn from there.. I dont think NA engines can explode that easily? haha
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