Reply to "Need input from IM owners"

edsnovaBaltimore - BCW 52 MG TD Supporting Member

@Sacto Mitch posted:

My engine is a mild two-liter.

I turn the fan on when the temp reaches mid-gauge, which I think is about 200 F. I don't think I could comfortably run this engine in this climate without an external cooler. When ambient temps are below about 70F, I don't need the cooler fan, but by 75F, I definitely do. Even on 90-plus degree days, the cooler keeps temps just slightly above mid-gauge - probably about 210F.
Life's too short not to have an external cooler.

I think I'd check.

Fan on at 200F would seem about right. I've heard guys on here say put the fan on at 180F, which seems low in an engine that likes its oil in the 170-220 range and which reportedly suffers excessive wear if operated regularly below 200F

6/16/205:57 PM

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