For 5w20s QSGB did seem quieter than other oils.
Non smooth running oils
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I own a 2010 Silverado 5.3 and I been using Pennz Platinum with a Wix filter since the first oil change up until the last oil change when I switched to Mobil 1 EP. I have noticed no difference in the way the engine idles, the engine sounds the same and the oil pressure is the same. As far as I'm concerned, there is not much of a difference in the oils from reputable oil suppliers.
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Originally Posted By: car51
Originally Posted By: aquariuscsm
I'm not sure about non smooth oils,but Pennzoil of any flavor is the smoothest running oil I've ever used,in every car I've owned.
Wait a cotton pickin second: you're a CASTROL GTX addict; evidence is the GTX UOA
BUSTED! LOL :^)
Haha I definitely have to agree with you there
,since my Pennzoil Platinum UOA had gotten lost in the mail
Originally Posted By: aquariuscsm
I'm not sure about non smooth oils,but Pennzoil of any flavor is the smoothest running oil I've ever used,in every car I've owned.
Wait a cotton pickin second: you're a CASTROL GTX addict; evidence is the GTX UOA
BUSTED! LOL :^)
Haha I definitely have to agree with you there
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I guess sort've a side to side comparison. My brother and his wife both drive 2.4 '07 Accords. He uses VWB in his and she always gets QSGB in hers. Hers definitely runs smoother. Is it the oil? Her car even has higher mileage. I know Pennzoil definitely runs smoother than Valvoline in the Mustang (4.0 V6). High moly oils always seem to be really smooth and quiet.
My 2012 Hyundai ran smooth on Redline 5w30 or Pennzoil Ultra Platinum 5w30 w MoS2 and Motor Oil Saver @ 100mL of each additive in filter. Now running in heat of summer in my R18 Civic a 1:1 of PUP 0w20/5w20 with Fram Ultra filter filled with Lubegard Biotech q fill prn.
Originally Posted By: aquariuscsm
I guess sort've a side to side comparison. My brother and his wife both drive 2.4 '07 Accords. He uses VWB in his and she always gets QSGB in hers. Hers definitely runs smoother. Is it the oil? Her car even has higher mileage. I know Pennzoil definitely runs smoother than Valvoline in the Mustang (4.0 V6). High moly oils always seem to be really smooth and quiet.
I agree ... It has been my experience that SOPUS oils are very quiet, smooth-running oils.
I guess sort've a side to side comparison. My brother and his wife both drive 2.4 '07 Accords. He uses VWB in his and she always gets QSGB in hers. Hers definitely runs smoother. Is it the oil? Her car even has higher mileage. I know Pennzoil definitely runs smoother than Valvoline in the Mustang (4.0 V6). High moly oils always seem to be really smooth and quiet.
I agree ... It has been my experience that SOPUS oils are very quiet, smooth-running oils.
It seems my butt dyno sensitivity for oil-related NVH is inversely related to the price of the oil purchased...but I do agree that SOPUS oils seem to run smoother/quieter. QSUD seems noticeably smoother in my application versus PP but I'm sure if that is actually true it would depend on the application as much as the oil.
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