[Crazyrabbit]

So if the fuel cut-off connects the high side to the low side, fuel is recirculated within the pump from high to low which is too low to crack open the injectors and the engine cuts off, all components are still submerged in fuel as unlubricious as it is now due to the sulphur removal and all is well as it can be under the circumstances. Meanwhile, I have had a fill-up of in town driving since I put the cut-off switch in, switched to Pennzoil Synchromesh oil in the tranny, and removed two mudflaps. I have also been driving carefully to try to avoid the use of brakes, including using the enhanced engine brakeing when unexpected things happen in traffic, using the fuel cut-off to coast while still having brake and turn signals, and turning the engine off when expecting long delays. My city mileage went from 48 mpg to 55.2 mpg. I've quite stopping the engine at lights because the starter ground a couple of times. I plan on looking into a manual real time idle control next and perhaps the headers/low restriction exhaust/cold air inlet. Keep stretching.