Filters

15Nov 2017
Not same as Royal Purple 25 micron

Your Oil Filter Questions Answered John Baker|Oct 16, 2017 11:59 AM In theory, your oil filter has a simple job: capture wear-causing contaminants and hold them in the filter media so they don’t run amok throughout your engine. But lots of factors can throw a wrench into this plan, which can raise questions about oil […]

23Oct 2017
Not same as Royal Purple 25 micron

Synthetic Oil Filters vs Regular Oil Filters Ed Newman|Jul 26, 2017 8:51 AM Early automobile engines didn’t use oil filters, or air filters for that matter. For this reason frequent oil changes were a must. Motor oil quality wasn’t really that important in those days, anyway. It was the discarded by-product of processes designed to […]