actually there is a solution that does cool the oil. i had them before on another bike It was a 116 jims stroker at 11.1 compression never had a problem cooling the oil. , Its the dual jag oil coolers from bob woods, 750.00 and you have to remove hard lowers but they do work as they are out in the air flow, but are kinda ugly , But function over looks. they do cool oil down to 195 t0 200 degrees with no effort, hmmm may be put two big . sky fans on each of these for in town, But ive been thinking its cheaper to buy two 10 row coolers from jag, Also the jagg rep stated their oil filter adapter out flow harleys adapter and that makes a difference in cooling . Their adapter is kinda pricey though . On the new build i have shown i just sarted using redline 20-60 so we'll see what difference that adds