yfz450_0569 Posted August 10, 2011 Report Share Posted August 10, 2011 So we put in the thermostat for my friend's truck the other day to get ready for the tune, and it's still running at just over 200 normally. Any idea why? Would the coolant/water have anything to do with it? Same set-up as the truck I used to have and it ran 180 or just a bit over normally, but only hotter when running it hard or towing. It has been 100-110 degrees out here though, but I still wouldn't think it would run a constant 200+ because of that. Quote Link to comment Share on other sites More sharing options...
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