PP or QSUD 5w20

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According to SOPUS, GTL base stocks are not used in QS products or what was PYB (conventional Pennzoil) formulations.

I still have a bunch of QSUD I got for $0.99 / qt. after rebate from Menard's a few years ago. It ran fine in my wife's 2011 V6 Mustang and it will run fine in her 2017 V8 Mustang and my 2012 Hemi Ram.
 
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Originally Posted by Al
I am a fan of QSUD


I am too. Wal Mart was picked clean of this and PP so i took PimTac advice and went Valvoline syn 5w20
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You won't tell any difference except in your wallet.
Both are good oils as you know.
Any brand that meets spec and viscosity will work.
People that say they can tell a difference between brands must have other things going on.
 
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