Posted by Chriscase [76.201.17.246] on Tuesday, January 19, 2010 at 00:14:20 :
In Reply to: ? posted by Will (in IL) [98.215.26.138] on Monday, January 18, 2010 at 23:40:49 :
If the tach gets it's data from one spark plug wire, there is no difference. Oh, except the 2-cycle, 4 cycle doubling.
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