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Here's the results from my analysis on Royal Purple 5W-30. Dyson Analysis Customer Name: R. Douglas Oil Brand/Wt. RP 5w-30 Type Equipment: SS Camaro LS1 Miles/Hours on Oil: 2000 Total Miles/Hours: 4000 Results (ppm/%) Comment Wear (no comment =normal) Copper 167 elevated but normal for this...

I know my dad used to use this like every 10K miles on his '69 Cutlass. I didn't think it was still around until I found their website : http://www.rislone.com/ Just curious what anyone thought about this stuff. Some of the old school guys in my grandfather's service station used to swear by it.

I'm almost out of my UPF58 oil filters and I'd like some thoughts or opinions on a viable replacement. I've heard bad things about FRAM but I wonder about Mobil1 and Purolator. Thanks!