Fitech Timing control tach numbers/ coil question

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ken5124

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Afternoon, I got my TSP Billet distributor all hooked up today and rewired as required to allow Fitech to do the timing. Took my MSD 6Al out of the equation. Initially ran excellent, fitech black line hooked to negative post of the msd HVC coil ( already owned), ran strong, and no more erratic break ups at 4200 rpm( as the old distributor provided)

Drove it for a short time, then would have random rpm display on autometer tach and fitech handheld just drop off and pop back on, then once it while shuts down and displays a 58934 number for rpm.
Turned off the system, let it reset and it seemed to work okay.

2 hours later, went to start it again, when power turned on, tach shows fluctuating random numbers, like 178, 608, 52 etc. Fitech and coil was clicking. At this point would not start, so I installed a different ecoil I had ( procomp) and it starts up with little issue, and is not breaking up, so far.

While it is running strong and smooth, it still displays those random tach numbers on power on and the coil is clicking. Even when running

.And no fault codes on the handheld.



IS this normal? Am I missing something obvious?

Thanks, Ken
 
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