Got to really feel the car out. Try accelerating at different rpms, trying different brands octanes of gas, different speeds, etc. A few of the gen 2 insight owners find bp fuel gives the best performance and going to higher octane such as 89 or 93 gives more mpg and performance, but its not cost effective for mpg. Its kick ass for performance.
Assuming new tires too? Its going to take a few refills to get the tire stretched and set psi.
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