Thumper Posted October 14, 2004 Share Posted October 14, 2004 Hey everybody finally getting the engine running the way I want to but a new question popped up and I would appreciate any help. Ok here is the question. I new when i installed the msd 6al I would loose my tach in my instrument cluster so I got an aftermarket tachometer. My question is does the ecu also not receive the tach signal. If it does not receive the signal does it need the signal for its calculations. TIA. Quote Link to comment Share on other sites More sharing options...
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