Valvoline SYNP 10w30, 4521 miles, 01 Buick Regal

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397
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USA
Here is the UOA for the Valvoline Synpower Synthetic 10w30. The 1st column is the Synpower, and the 2nd column is the UOA done last year on NAPA Syn 10W-30. I posted the VOA's on both these oil last year in the VOA forum. Interesting compare since the NAPA oil is a Valvoline private label. Oil: Valvoline SynPower 10w30 Auto: 01 Buick Regal, 3800 series II, 38,240 miles total MI/HR ON OIL: 4,521 (I changed it a bit early due to a planned trip) MI/HR ON UNIT: 38,240 DATE:04-15-2009 Element: (SynP, NAPA) ALUMINUM: 1, 1 CHROMIUM: 1, 1 IRON: 9, 10 COPPER: 28, 21 LEAD: 10, 12 TIN: 5, 2 MOLY: 10, 39 NICKEL: 0, 0 MANGANESE: 1, 1 SILVER: 0, 0 TITANIUM: 0, 0 POTASSIUM: 3, 2 BORON: 9, 11 SILICON: 9, 9 SODIUM: 56, 209 CALCIUM: 2125, 1414 MAGNESIUM: 10, 12 PHOSPHOROUS: 661, 574 ZINC: 799, 735 BARIUM: 0, 0 SUS VISC. @210F: 62.1, 59.8 Cst Visc. @100C: 10.82, 10.16 Flashpoint: 405, 430 Fuel %: <0.5, <0.5 Antifreeze %: 0, 0 Water %: 0, 0 Insolubles %: 0.3, 0.2 TBN: 3.6, 2.4
 
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15,056
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Canada
Not bad results, but lead is high for the miles. Yeah, it could be 'break in', but I don't like it, and I'd go higher visc. to see if it improves bearing wear. You're not going to muck up a warranty on an '01 by giving 40-weight a shot. Just curious, why so low miles on the unit?
 

smithph

Thread starter
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397
Location
USA
Shortly after purchase I was issued a company car for customer calls. This one became a weekend only driver for the 4 plus years I was on the company car plan. 40w? Rotella T Syn 5w-40 is on my futures list once I work thru my stash of SynPower and PP 5w-30.
 
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