Originally Posted by topcat87
that explains the skew in your timing. Your reaction time and/or enthusiasm easily account for the 1s difference. If an accurate timing to measure ur mods is what your really after invest in a performance meter like Gtech Pro SS or VBox performance box. All those stopwatches or smartphone apps just dont cut it with a sub 10s measurement the margin of error is too great
Do you know haw to disconnect the negative battery cable?