Any one know how I can get my tacho working properly again, I have a TVR now running with an Autronic SM-4, my limited research shows I need a converter possibly an MSD but can't find where to get one in the UK any thoughts
cheers Mark
Tach adapter
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If its an older style tacho it wont read the nice square pulse the tacho output gives. I assume that's what he is on about anyway. If its really old it wont read a pulse at all as it will be current sensing and an adapter inst going to fix that. There wasn't any answers to my questions tho so I cant be specific.
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If you still have a dizzy fitted, use its normal output just to fire the tacho.
Originally in my green car, which used to be a V6. I fitted a 6 tooth trigger to the RV8 dizzy, and used that solely to fire my Ford tacho.
When I switched to LS1, I had to sort it via another method as there was no dizzy anymore.
That said, upon my request DTA software now allows user configurable tacho outputs.
ie, you can fire any cylinder rev counter from any engine ( more or less )
Originally in my green car, which used to be a V6. I fitted a 6 tooth trigger to the RV8 dizzy, and used that solely to fire my Ford tacho.
When I switched to LS1, I had to sort it via another method as there was no dizzy anymore.
That said, upon my request DTA software now allows user configurable tacho outputs.
ie, you can fire any cylinder rev counter from any engine ( more or less )