Re: Tic toc tach not reading correctly with HEI
I installed a new OER Tic Toc Tach during my 68 SS/RS L48 build. I also built and installed a DYI Tachometer Filter mentioned in 69-Pace’s post. Everything worked well, I had installed a Pertronix Ignitor ignition conversion in my distributor, car was running on battery only. As the build progress the full electrical system was finished and the rebuilt stock alternator was installed it fried my new tac. I had to pull it back out and send it off to be rebuilt to handle HEI, lesson learned.