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Ramonesfreak2010 · 03-07-2014, 08:55 PM

Is using a MSD RPM activated switch necessary? Or is it only if you are using a ROM tune? I am planning to use Haltech.

03-07-2014, 08:55 PM	#1
Ramonesfreak2010 Zilvia Addict Join Date: Jul 2008 Location: Silver Spring, MD Age: 33 Posts: 963 Trader Rating: (11)	Is using a MSD RPM activated switch necessary? Or is it only if you are using a ROM tune? I am planning to use Haltech.