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  1. Richfield

    Motul VAG-Spec (502.00/505.00) 5W-40 Discontinued ?

    Yes, all signs were pointing to replacement with that (current) Motul product. Perhaps it is not cost effective to have these mfr specific oils, esp for the aftermarket ? For now, I still have many miles left on my (last) VAG-spec oil fill....
  2. Richfield

    Motul VAG-Spec (502.00/505.00) 5W-40 Discontinued ?

    I have used this oil for the last number of years in my 2004 Audi TT3.2 S-Line Coupe. However, it has been hard to find for the last year + or so, and now is pretty much gone from the Internet. Did Motul discontinue it ? (Good luck getting an email reply from them, and there is no obvious...
  3. Richfield

    Interresting article on Ester

    I agree, very thorough article. I have been using Motul 5W-40 in my Mark I/8N TT3.2 for years, most recently the VAG-specific type. A quick look at the Motul website shows that oil to be no longer listed in their Specific line! If so, I will change to the 8100 X-CESS (gen2), which has...
  4. Richfield

    UPF48R part number change

    As a follow-up to this saga, went on ebay, are various vendors selling NOS 12626224's, for various prices. Bought three of them for less than $10 each, including shipping. So, at least next three oil changes will still be ACDelco....
  5. Richfield

    UPF48R part number change

    Here is a pic of an older version of the UPF48R from 2012--u can see the bypass valve integrated into the metal end cap. Members of the Corvette Forum (source of the pic) seemed to think it was rubber vs. black plastic. Looking at the video comparing the current UPF48R with the PF48E, I don't...
  6. Richfield

    UPF48R part number change

    Some feel the hard plastic ‘button’ provides less of a seal against its metal seat ( on the retention spring) than the rubber valve previously integrated into the metal end cap. Also, exploded views of these filters don’t provide a good picture of how the retention spring/ bypass valve...
  7. Richfield

    UPF48R part number change

    Interesting that a news release from First Brands (TRICO Group) describes buying Champ Labs, not Fram Filtration. By now am sure the operations of Champ and the original Fram are fully integrated. Was thinking that perhaps the spring- loaded plastic cap bypass valve integrated into the...
  8. Richfield

    UPF48R part number change

    I have had the Chevy dealer put UPF48R's in my 2015 SS Sedan for the last three oil changes (ACDelco Dexos1Gen2, ie Mobil Super Full Synthetic)--this is a bit of overkill for my wet sump LS3, but the only OEM alternative has been the substandard PF48E. Even after the Rank Group of NZ merged...
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