stanisicb Posted September 21, 2009 Share Posted September 21, 2009 hello everybody, i gotta mack 04 granit dump truck with a mack motor 460 hp when i drive it on highway my oil temperature goes up to 220 F and fan comes on alot coolant temperature never passes 200 f. also i feel like that it is not as powerfull on highway speeds as it used to be. thank you. Quote Link to comment Share on other sites More sharing options...
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