Quote:
Originally Posted by justpete
Went back and checked stock rwhp with BMW PI and PE - average of two runs was 182.5hp so the current dyno at 217hp is an increase of 34.5hp, plus or minus maybe 3-5hp to account for run-to-run variance. Not too bad. If driveline efficiency is 80% it puts the net crank output at about 275hp, give or take. But that doesn't really mean anything afaic. Interesting to note though.
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