Quote:
Originally Posted by turbotalon1g
I thought you don't want to increase over MBT no matter what?
From what I understand you want to try and increase timing with RPM until you hit that MBT point.
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MBT is dependent upon certain load and rpm combinations, it isn't a set timing value for all rpm point.
For example, let us say a car makes peak power with 10 degrees of ignition timing at 5000rpm and you rev to 7000rpm.
6000rpm, you may want 11 degrees of timing (to get to MBT again for that RPM/Load), and 7000rpm you may want 12 degrees of timing (to get to MBT again for that RPM/Load).