Synthetic Oil

Discussion in 'Engine & Performance' started by mcclintock89, Feb 7, 2013.

Oil of Choice

  1. Castrol Syntec/Edge

    158 vote(s)
    8.7%
  2. Royal Purple

    240 vote(s)
    13.3%
  3. AMSOil

    262 vote(s)
    14.5%
  4. Valvoline Synpower

    98 vote(s)
    5.4%
  5. Mobil 1

    674 vote(s)
    37.3%
  6. Other

    375 vote(s)
    20.8%
Sponsored By: Moe's Performance
  1. U&A

    U&A Senior Member

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    Thats a nice shooting rest


    Sent while firmly grasping my redline lubed RAM
     
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  2. HammerHead

    HammerHead USMC 0313

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    Last edited: Jul 15, 2019
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  3. grizzstang

    grizzstang Senior Member

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    QSUD 5W30 is LSPI compliant so while it has more moly it has less of everything else.

    PUP 5w30 has less moly but to my knowledge it has not changed the formula to be LSPI compliant (yet), the PP looks like it has changed though.


    This QSUD analysis is from late 2017 but you get the idea.


    [​IMG]
     
    Last edited: Jul 15, 2019
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  4. TXCOMT

    TXCOMT Senior Member

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    Man, I'm away for a few weeks and all of a sudden this thread is deep in QSUD...I love it! My Reb rolled over 50K miles yesterday and beginning its third round of QSUD 5W-30...all is well. On my last UOA, Blackstone said I could go 11.5k miles on the OCI, but I'm sticking to 10K (easier math!). My engine, which never ticked, is smooth and quiet...it did quite well on the trip between Texas and Colorado during the July 4th holiday; I even managed 19.5 mpg at one point on the return leg.

    TXCOMT
     
  5. U&A

    U&A Senior Member

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    Ron turned us on to this stuff while taking about spark plug changes. Unlike most anti-seize This anti-seize is safe on a large verity of materials.

    Now i see why Ron likes it.... it has Moly in it

    https://www.jetlube.com/pages/550.html

    [​IMG]


    Sent while firmly grasping my redline lubed RAM
     
  6. HammerHead

    HammerHead USMC 0313

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    We need to see the QSUD 5w50, I bet the add pack looks much different. With a cSt of 17.0 at 100c it’s something I want to run. Most likely sheer down into the 15’s; if the moly is at a respectable level I think this 5w50 is a player.
    I believe QSUD is Gen2 now, new formula!
     
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  7. chrisbh17

    chrisbh17 Senior Member

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    I bet the qsud 5-50 is great for the mustang crowd!

    Sent from my Nexus 6P using Tapatalk
     
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  8. HammerHead

    HammerHead USMC 0313

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    I bet money they love it; there’s got to be a reason Walmart, Amazon, eBay, Sears and Garinger all are sold out. I can only find it in 55 gallon drums. Lol
     
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  9. GottaBeKD

    GottaBeKD Senior Member

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    QSUD is on sale this week at Canadian tire. On for $29 regular $54 for 5L jug.

    3 jugs is 15L which will cover 2 changes. Under $60 with filter is a win for me if it's as good as it sounds.

    Still another 2 months away from next OCI.

    Sent from my SM-G955W using Tapatalk
     
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  10. Burla

    Burla Senior Member Military

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    The formula which we care about has got seriously better since the 2013 year. We should have a list of most improved oils, since we tend to not keep up with current info. QSUD would be high on the list imo. Better on almost ever line current versus 2013, tbn, moly, zinc, noack, etc.
     
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