Quote:
Originally Posted by JamJanTan
As long as this high reving does not cause unnecessary wear on the engine I should be happy but how high is high reving is subjective.
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4500 high enough? Consider that its designed to rev that high. I had an F-250 that we pulled our old 5er with (and a TT before that). It spent its life as my daily driver and our RV puller. When I traded it in on our F-350 it had 138,000 trouble free miles on it--I only ever changed the oil (I don't think I ever changed the plugs on it; still ran great). (We traded it in because I wanted the higher GVWR/GCWR the F-350 brings to be safer pulling the 5er around--at least on paper.) When pulling the 5er the F-250 would frequently rev 4500+ rpms going up the Smokies.