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  1. New OReilly Syntec 3 Gallon Boxes | BobIsTheOilGuy

    Feb 18, 2024 · Remember Castrol Syntec? Castrol stopped using Syntec when Edge appeared, but to protect the branding I'd assume, they started making oil and labeling it Syntec for O'Reilly's. To the …

  2. Supertech vs. Syntec (O'Reilly) | BobIsTheOilGuy

    May 25, 2005 · I've been using Syntec 5w30 and Microgard Select filter in my wife's Fusion for a few oil changes now. Pretty happy with it... I used Magnatec before and this Syntec is quieter. WIX filters …

  3. O’Reilly full synthetic vs syntec | BobIsTheOilGuy

    Jun 28, 2017 · O’Reilly Full Synthetic is made by Omni. O’Reilly Syntec is made by Castrol. I believe this is true as well!

  4. Syntec by O'Reilly | BobIsTheOilGuy

    Apr 15, 2017 · Seems pointless to me. Nothing on the label explains why it's worth paying extra compared to the regular O'Reilly synthetic. Price-wise it's not a good value when whatever name …

  5. O'Reilly Syntec boxed vs quart/jug oil - Bonus SDS confusion

    Apr 15, 2017 · 2. The SDS for Syntec 0W-40 shows Castrol Edge 0W-30, which would imply they are identical products. So if you wanted Edge 0w30 and a good oil filter you could get a sweet deal on it …

  6. Ryco SynTec - Fully Synthetic Filters | BobIsTheOilGuy

    Jul 7, 2015 · Ryco in Australia make good quality oil filters, last time I looked, about 6 months ago, they only had the standard cellulose filters. But I just could this: Ryco SynTec Filters It appears the have a …

  7. Mobil 1 or Castrol Syntec ? | BobIsTheOilGuy

    Jul 19, 2004 · I'm using right now Castrol Syntec 5w-20.I've used in the past Mobil 1.Are they both even in performance or does one have a better additive package?Thanks Joe

  8. Castrol Syntec - real synthetic? | BobIsTheOilGuy

    May 25, 2006 · Is Castrol Syntec really synthetic oil? The jug says full synthetic, but I read on various web sites that it's not a real synthetic. I wouldn't think they could state "full synthetic" if it wasn't. I …

  9. STP or Syntec; Which would you run ?? | BobIsTheOilGuy

    Aug 8, 2012 · Which of these two motor oils would you run? Please just answer with one of the two brands specified. A.) STP from Autozone B.) Syntec from O’Riellys Please answer just A or B. No …

  10. Use 5w50 instead of 20w50 | BobIsTheOilGuy

    Jun 4, 2003 · Anybody got any comments on whether I should use a 5w50 (Castrol Syntec) instead of the 20w50 the engine manufacturer recommends. I don't suppose I should say what I'm putting it in …