shift lights are universal, you can tap your tacho signal from either the ECU (EFi) or negative ignition terminal (distributor). Of course the ECU is normally cleaner.
I'm running on a carb myself and if you can run a tacho, you can run this.
hi guys, has any1 herd about the sinspeed piggy back mod chip..??? i bought 1 off ebay, havent fit it yet.. but it just clips straight on ur AIT (i think) ait intake tempurature valve or something and it works by...