Are hoses building pressure? What water pump are you running? I can squeeze the hoses when it's running. The upper one is hot, the lower hose is room temp after 5 minutes of idling. Not sure if I should be able to or not? The pump is the Wegner accessory drive water pump. Less than 3,000 miles on it.
Have you opened the system recently? Yes, the cam was swapped out before the Power Tour. Never had an issue before that.
Could the thermostat be sticking or bad? Never looked at an LS thermostat, but there are flecks of black rubber in the radiator.
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