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 used oil analysis.
 
some of you have mentioned that Pennzoil conventional has a better add pack? better base oil? this so?
 
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 Pennzoil conventional.
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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