It all depends on the ambient (outside) temperature it is in & what temperature thermostat you are using! Other factors which could effect the operating temperature are the size of your radiator, (number of rows), what type of water pump you have, condition of your internal block coolant & heater core passages and possibly what type & ratio of your coolant.
Just my 2 cents worth.
Ok I was thinking about this the other day, does anyone know what a small block is supposed to run temp wise to avoid predetonation but get a full (as good as possible) burn on the combustion cycle? Im sure most of you know if you run too cold or too hot you are not hitting ideal temperature for complete combustion of the air fuel mix. What I dont know is what that temperature is. Near as I can tell, it may be chemically determined by the temperature at which gas and fuel burns, but I am no scientist. My firebird runs at around 190, but people put colder tstats or hotter or colder plugs etc.
I do know if its too hot, the air fuel blows before TDC, which is no good, and if it is too cold in the block, you do not get full combustion.
Anyone else know anything on this subject? Chemical or IC engineers around? Someone?
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