Quote:
Originally Posted by MazdaMatt
I have a 94 Ford F350 chassis with a 20' (that's big) box on it. I use it for hauling my race car to the track because I can sleep in it and the car is out of the elements.
This thing is HORRIBLE on gas. Not only is it a rolling brick (it has a bubble on the box over the cab, but still). It has a 7.3L non-turbo deisel V8 and a 3-speed transmission that shifts by RPM, not by engine load (so i can cruise at redline in city traffic for some reason). Redline in 3rd gear is about 115km/h.
I learned that I can get about 30-50% improvement by going 90 instead of 115.
How the heck else can i sqeeze mpg out of this thing? I try to only stop once at stop signs and I try to time lights. If i try to coast it slows down SO fast that it isn't worth coasting.
HELP ME! It costs me about 100 dollars in gas to go to a race track, then back to the shop.
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I just found this thread because it was mentioned elsewhere. You may want to go on the Ford truck forums and see if somebody knows what's wrong with your transmission. It could be as simple as a cable or wire that's disconnected. I've never heard of an auto from the factory that doesn't shift until redline. That would make a huge difference in both economy and engine life.