The Hump

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1-800-474-7538

October 23, 2013

By Tim Patterson

Part of your Duramax® diesel engine’s dirty secret is that it’s got a HUMP. The hump adds volume, so you can have more oil in your engine, but because 2 cups of oil are trapped in the HUMP, the oil gets filthy really quickly. Within minutes of running your engine after a fresh oil change, … More Info