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Answers and rating deltas for

How to calculate vehicle RPM using data from the iPhone GPS?

Author Votes Δ
Claus Broch 1 +0.87
codelark 1 +2.27
Jim Lewis 0 -0.82
obdkey 0 0.00
Alphaneo -3 -2.70
Last visited: Sep 14, 2014, 5:07:29 AM