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A year, or less than two thousand miles, after a rebuilding my engine the coolant is pressurizing and running a high temperature. I run Evans waterless coolant in both my cars and no Issues with the TR6 so I know that the coolant is ok. Evans should not build pressure so something is not correct. I am starting to think a little outside the box and wondering if in the rebuild, or since the subsequent head gasket change, that there maybe combustion gases finding a way into the water jacket but whatever path it may be taking is tight enough that coolant is not leaking back into the cylinders.
I will pull the head and check a few things but anyone got any ideas on what it could be?
I will pull the head and check a few things but anyone got any ideas on what it could be?