Isnt 180 -190 temps on the really cold side for normal every day driving? An oil cooler is really meant if you track your car but its NOT needed if you use your car for normal commuting. Hell, even if you drive a little spirited, yes, you may go over 220 to perhaps 240 MAYBE even 250 but how long can you drive "spiritedly" and not have to come to a full stop on the streets? traffic lights, other cars, pedestrians LOL. Your car will have time to cool off again. It takes only a few minutes for it to come back down in temps.
This engine is meant to be hot, the spark plugs are designed to run hot, the engine is designed to run hot. The oil is designed to provide optimum protection at temperatures above 200. Otherwise, you are risking premature wear and engine sludge build up. Over time, this will lead to higher emmissions, lower MPGs, lower engine performance and throttel response.
You can try to put a plate infront of your oil cooler to keep it from cooling too much and take it off when you go to the tracks.
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