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Considering engine swap for towing purposes

2181 Views 7 Replies 4 Participants Last post by  stchman
Hey guys, on a tablet so this will be short. Doing a significant amount of towing with my truck. Trailer is a 7x12 v nose with a usual total wt of 5k. It seems to be working very hard on some of the longer pocono grades. Even though it pulls them at 55 65 I dont like seeing the rpms at 2750 and engine temp creep to 235. Even though I can average 10.8mpg towing so I am thinking upgrade. Looking at a 14 2500hd/duramax. A lot of $$$$$ so need some input. Ie Real world mpg on the duramax and normal op temps/mpg for a 5.3.
Thanks in abvance
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***Thread title changed from "need some help" to match thread topic***
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