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  1. J

    Valvoline conventional vs. ACDelco synthetic blend

    It depends on the application. If the vehicle's owner's manual simply calls for a 5W-30 which meets an API SN or earlier standard, both will be fine if you maintain recommended oil change intervals. If the vehicle is a newer GM which calls for a DEXOS licensed 5W-30, then the AC Delco will be...
  2. J

    Supertech oil filters are back!!

    Someone on YouTube posted a video of the current incarnation SuperTech cut open. It's definitely a Wix Pro-Tec (a.k.a NAPA ProSelect) filter. http://www.youtube.com/watch?v=Uz04UVtNVEY
  3. J

    Supertech oil filters are back!!

    If you plug the new SuperTech filter numbers into Wix's filter search utility on their website, the manufacturer listed in the results is "SUPERTECH-WIX."
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