hmm my car was dyno'd in 5th gear? think that would make a difference?
The gear used depends on what ratio your gear box gears have.
You need to use the gear that is as close to a 1:1 ratio as possible. On the 6 speed cars this is 4th, not too sure on the 5 speed ones but would doubt 5th was the closest to 1:1 more likely to be 4th
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