| As a first step, you should carefully straighten any oil cooler radiator fins that are bent from road debris so you get the maximum cooling from the unit. After you straighten them, attach some protective screening to the backside of the V-piece to prevent future damage.
As your oil temperature rises during a track session its viscosity drops and engine oil pressure drops slightly. If you have low oil pressure (as opposed to a bad pressure switch) usually what happens is that initially the oil light will start to flicker after riding hard on the track, but not under normal commuting type riding. Under these conditions you should be using a 50-weight viscosity oil to maintain an adequate oil pressure and use a synthetic oil to give yourself a safety net against oil breakdown at higher temperatures. | 
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