Well I have not used the truck for some time, a few runs to Menard's and towing a light trailer once in awhile, this weekend I had an event where I knew I would be pulling, so I needed to do some maintenance. My fleet batteries got killed this winter due to corroded wiring on the starter relay draining the batteries - they died, froze and don't look so hot any more.
I cleaned up the wiring and added another power wire off the battery directly to the relay and now I've got much better power to the body - blower motor work much better and the power windows are much faster. I grabbed a few cans of SeaFoam and put a whole pint into the fuel filter and spun it on. The truck ran a little rough and them smoothed out - we let it soak for 15 minutes and fired it back up before changing the oil.
The whole time I've owned the truck it has had an open air cleaner on it and I've been barraged by IDI death noises through the cab at at least 80 decibels. I aquired a factory setup, wanting the cold air the factory setup provides, and put it together. The truck idles better with the addition of the SeaFoam and I took it for a spin before hacking out the soup bowl.
I'm happy to say that the truck seems to have much more power, it's INSANELY quiet in the cab now (holy crap, I can hear the transmission!) and much more enjoyable to drive. My batteries are staying charged, the truck is running much better and all it took was a little TLC and some SeaFoam.
I'm thinking the next step will have to be a ZF5 install - with the extra power I've got I should be even faster and more fuel efficient with the overdrive gear. I went from overheating and annoying slow to being able to speed up hills, and well, speed! All this with oversized tires and 3.55 gears -
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