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Re: Truck getting older ..... Towing getting tougher
First the larger tires/lift are costing you towing ability/mpg,etc. Did you get OD/mph corrected for larger tires?
Check your radiator. I was running warm to point I had to turn off AC and turn on heat to maintain speed on interstate. I removed radiator shroud and blew out radiator from fan side. That REALLY made a difference. (I had already called to set up time a week later to have shop check fan clutch/pressure of cap,etc.
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