Quote:
Originally Posted by D_Thissen
Was your launch the same both times? For example, are you sure the road was perfectly level? How about the temperature, atmospheric pressure and relative humidity? Wind speed?
Doing 2 pulls is not enough to compare to compare results.
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This!
Do three dyno pulls back to back to back and the variance between pulls will be greater than the 0.01 second difference you claim supports your mods made an improvement.
Doing second gear pulls is also way more likely to introduce variations between pulls. There's a reason that real dyno pulls are done in 4th or 5th. The longer gear gives more data and helps naturally smooth out tiny variations.