whats the average running temperature of a stock 235 engine? The reason i asked is because i put some "stop leak" in my radiator and it doesnt seem like the engine gets hot enough to open the thermostat, atleast with the radiator cap off i cant see the water circulating. I had it idling for a good 1/2 hour. I know the 'stat is good because i took it out and checked it with heat.


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