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thru the years i have tried lots of little things. which add up to some cash...
only real change i have noticed is that the T. body spacer makes this truck pull 6% grade hills about 10 mph faster with 28 ft enclosed trailer. no real mpg better though.
but put this on at better than 105k miles. so im sure the old 460 is not as bullett proof as it once was....
come back john force---sunday pm is not fun without u...
Where did you get the tbody spacer. If it doesn't cost too much I would be interested in buying one to try it out. My '96 has 138,000 kms on it which is about 85,000 miles.