This rad I'm using had a very minimalist shroud on it, which was convenient for fitting but didn't really work worth a s***. Actually had no shrouding at all on the bottom, which is kinda weird to me. Air is just going to go around the rad there...
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Anyways, added some tin to it. It was a pain in the ass.
Now the fan is about 1/3 of the way in, which apparently is where they work best.
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Shroud made a huge difference to the running temps. Gauge was all over the place before, and would wander up towards alarming on hills on the highway. Now it sits steady at 1/4 or so on the gauge .
I figured the cooling system was going to need all the help it could get this summer.
