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.
When I accelerate, the engine hesitate and sort of misfiring when it hits full boost @ 3500rpm. FYI, my car is still running stock with only, Apexi air filter, HKS BOV and HKS exhaust. And worth to mention, my engine...