Quote:
Originally Posted by dataway
I think the purpose of a 180 degree stat is not to make sure your engine runs DOWN at 180, from a design standpoint it's more to make sure your engine runs AT LEAST 180 .... if you take my meaning, as they are designed assuming your cooling system can handle whatever load the engine is capable of producing.
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Correct. It's often misconstrued. The stat rating is where the engine temp will be at or higher. Depending on how efficient the cooling system is. As in my example above, it never runs 160, the original cooling system just isn't capable. I find most of my cars here with copper radiators, even the 4 cores, aren't capable of that (but they are slightly better). However I have 2 with Griffin radiators that can keep the temp closer to 160, even under high load conditions, still using the stock clutch fans and shrouds.
It's all going to depend on how well the rest of the system works.