Quote Originally Posted by wbute View Post
True, Axistr, the cap will lift boiling point too. The reason I say 100 is too hot, you can run a tractor at full load all day in the summer, with a capillary tube temp gauge, if the cooling system is correct, it will not go over about 92. 100 is way too hot. There is a problem either with your remote gauge or the cooling system.
I agree and the HQ-HZ were designed to run between 85-95 with a 82 thermostat. Its interesting that when the VN commodores were introduced they used a 92-94 thermostat and the computer didn't trigger the low speed electric fan till 102 degrees. The thermostat opening temperatures gradually increased after the HZ trying to reduce emissions. I don't agree with the temps that the later cars run at but its uncommon to see cars broken down on the hwy and overheating these days.