|After playing around on the dyno some and seeing what a difference VTC can make on the intake side I started wondering about a retrofit to add it to the exhaust cams as well. I know that there are adjustable exhaust cam gears and that with proper tuning / adjustment there are some nice gains to be had down low with them.
But what would making them function like the intake VTC do? Worth the hassle?
What about making the factory VTC intake cams control a larger degree range than 20? With all of the breather mods and new turbo tech would having dual VTC and a 30 degree + window offer much benefit?