The truth about oil change intervals and analysis, Lake Speed

[justinp61]

I saw the link to this video a couple weeks ago on another site but didn't check it out. While I was looking for something else on youtube it popped up so I watched, pretty interesting.

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[Garrett Ellison]

Some really interesting tech there in all of his stuff. The first video of his I watched was on ring gaps, it's definitely worth watching, too.