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Here the relationship between the charge cooler and the three square ports of the bypass system behind it can be seen. The small black dot just to the left of the supercharger pulley is the fill hole for the blower's drive-gear lubricant. It's there mainly to provide a way to add lube at the factory as there is no need to change the lube in service, and SVT has found the lubrication level critical to supercharger temperatures. Best to leave it alone.