Other than a standalone ECU (Power FC) I've not heard of any VVT-i controllers.
Just what do you thinkyou could do with the VVT-i to make it better than Toyota? Programming a continuously variable system is beyond most folks normal abilities.
A forum community dedicated to all 7th Generation Toyota Celica owners and enthusiasts. Come join the discussion about modifications, troubleshooting, engine swaps, maintenance, and more!