Determining The Optimum Oil Clearance For Your Engine

Discussing oil clearance and what type of oil to run in your engine always elicits strong opinions. We've moved beyond the old .001-per-inch rule of thumb thanks to both improved chemistry and machining.Discussing oil clearance and what type of oil to run in your engine always elicits strong opinions. We've moved beyond the old .001-per-inch rule of thumb thanks to both improved chemistry and machining.