Autosport Labs

I finished the last part of this project today. My factory tach used to be connected the the (-) coil terminal, so I didn't even try to hook it up to one of the nice square wave sources that newer tachs seem to like. I went straight for the two diodes to combine the two coil signals and the zener di...

Got home from work, found a nice little box in the mailbox (pre-built V4) and now I am up and running just a few hours later. I did all the time consuming stuff over the past couple weekends - getting the crank pulley off was about the hardest part, but gave me an excuse to buy a new compressor and ...