conventional Valvoline or PYB for 5000 OCI?

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I know that each car is different and may do better on one brand vs another....but for the most part, does Valvoline or Pennzoil seem to hold up better for a 4-5K OCI?
 
i dont know if there is anything overly special about either over the other. They both appear to be good oils and produce good UOA's.
 
valvoline would be my choice. i wouldnt hesitate to use the pennzoil though. i used to "fear" pennzoil but this website has straightened me out on that. thanks to this site i now use mobil 1 though. if i was to choose between the 2 you have listed today, i would choose whichever is cheaper. if they were the same price though, like i said, valvoline.
 
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I flipped a coin and it came out PYB.
wink.gif
 
Out of all seriousness, I know that one could flip a coin and either would do fine..But has either one of these outperformed the other more often? Does one have a better additive package?
 
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