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  1. #1
    Join Date
    Apr 2014
    Location
    West Michigan
    Posts
    17

    Default Royal purple or merc oil?

    Just naught a 2008 LSV from the original owner. Boat is in perfect shape, and the guy said he always ran royal purple motor oil. The manual says to run merc. Should I change or stick with the rp?
    Thanks

  2. #2
    Join Date
    Oct 2012
    Location
    edmonds, wa
    Posts
    40

    Default

    I use the royal purple myself in my boat and it is a great product. My owners manual says penzoil but it is just a recomendation. I would stick with the royal purple it is a great oil and will most likely cost less than the merc oil.
    2002 outback lsv 320 tbi
    02 f 150 supercrew lariat

  3. #3
    Join Date
    Jul 2011
    Location
    Murrieta, CA
    Posts
    1,269

    Default Royal purple or merc oil?

    Another option is Rotella. It is a recommended oil for my engine.
    2010 Moomba XLV
    340hp cat
    Gravity 3, wake plate
    Rad-a-cage

    I have a love for ballast and large wakes.
    1100 v-drive lockers
    1180 under the playpen
    + lead and a collection of other ballast bags

  4. #4
    Join Date
    Mar 2012
    Location
    South Carolina
    Posts
    812

    Default Royal purple or merc oil?

    ^^I use Shell Rotella and have for 3 years, works great and is the oil that a lot of Supra owners on the Supra forum use as well. You can find it at Wally World on sale for like $12/gallon so all you need is another quart if your engine takes 5 quarts. I usually double up when I buy.
    2008 Supra 21V-Currently For Sale

  5. #5
    Join Date
    Aug 2009
    Location
    Richfield, WI
    Posts
    155

    Default

    Rotella for sure!

  6. #6
    Join Date
    Jun 2009
    Location
    South West Colorado
    Posts
    725

    Default Royal purple or merc oil?

    X4 on rotella!
    '08 Mobius LSV- SOLD!
    2017 Mojo Pro

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