OK, my bad. Not all mods welcome, I will restate that I don't want to compromise performance.
WAI could be de-installed quickly for events.
How much of a gain would DRLs give me?
I'm thinking more and more about the vacuum gauge. Am I right that the rule to follow is:
a) when accelerating, aim for the least possible vacuum (small negative numbers)
b) when maintaining speed (i.e. on highway), aim for most vacuum (large negative numbers) in top gear
Right?
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