442cutaway_5406455 Olds engine rebuild after 500 miles: A pair of FilterMag SS365s pulled a lot of wear-in metal particles out of the oil stream that would have worked its way thru the filter media to circulate back thru the engine causing damage. Our shop will be using FilterMag’s on all future engine builds in the interest of protecting the owner’s investment and providing a long lasting high quality engine build.
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