I'm just reading through the other posts and other peoples experiences. It seems that when the mechanical cable going from the servo to the valves is "broken" or unhooked the ecu doesn't know it. The engine just doesn't rev or pull like it should. Sounds like there isn't any check engine codes for a bad cable. I'm thinking of a throttle cable something like the old mechanical oilers had. A block part way down that tees so your flipper pulls the slides and the oiler at the same time. In this case it pulls the valves open instead of an oiler. Leave all the factory electrical intact, servo relays etc. Then just figure out the right ratio of travel for the powervalves per pull of the throttle cable. Anyone try running these engines with the valves wired open yet? Used to work in the M1000 days!
