Thread: What the point of drilling piston to enlarge holes while
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Old 17-12-2013
vrooom vrooom is offline
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Join Date: Oct 2009
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Default What the point of drilling piston to enlarge holes while
you can use lower viscosity oil to achieve same result?

I often see people drilling their piston to enlarge the holes then use higher oil weight...

what is the reason behind having enlarged pistons hole?
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