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Mach 1 · 10-05-2000, 02:40 AM

tachs are electronic. they work off of a signal from the coil. How often it fires, it translates to engine rpm.

10-05-2000, 02:40 AM	#9
Mach 1 Registered Member Join Date: May 1999 Location: Georgia Posts: 3,866	tachs are electronic. they work off of a signal from the coil. How often it fires, it translates to engine rpm.