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Thread: Anyone heard of an oil additive called 'Molyslip E" ?

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  1. #1
    Luke Skywalker
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    Anyone heard of an oil additive called 'Molyslip E" ?

    I believe it's molybdemun disulfide. Anyone used it in their TR3 motor? I don't see it for sale up here in Canada.

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    Obi Wan Sarastro's Avatar
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    Re: Anyone heard of an oil additive called 'Molyslip E" ?

    My suggestion: use good-quality oil and don't mess with additives. They're not likely to help, and some have been known to cause engine damage.

    That said, MoS is a common component of greases and oils. If your oil needs it, it's probably there already.
    Steve Maas
    1966 Triumph TR4A, undergoing restoration: http://www.nonlintec.com/tr4a
    1952 MG TD, restoration completed 2014, sold 2016: http://www.nonlintec.com/mgtd
    1960 Austin-Healey "Bugeye" Sprite, sold 2010: http://www.nonlintec.com/sprite
    1967 Porsche 912: http://www.nonlintec.com/porsche

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    Great Pumpkin TR3driver's Avatar
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    Re: Anyone heard of an oil additive called 'Molyslip E" ?

    I've heard of it, never tried it. Thought they took it off the market after all the complaints about blocked oil filters and such.

    Moly is a solid. In theory, the oil additives have particles of moly that are tiny enough to pass through oil filters. The problem is that, in the real world, filters will stop a small percentage of particles much smaller than they are rated for (kind of like TR3 air filters will get dirty with dust that would easily pass through the coarse wire mesh). In a recirculating system like an oil sump, each pass may only trap 0.01% of the smaller particles, but after a few thousand passes, most of it will be in the filter. Once the filter gets loaded up, the bypass valve opens, and most people don't know the difference. But some people notice things like that, and complained.

    This is fairly typical of the stories I've heard. Of course, you can't believe everything you read on the Internet, but I've just never been interested in taking the chance.
    https://www.bobistheoilguy.com/forum...&Number=285055
    Randall
    56 TR3 TS13571L once and future daily driver
    71 Stag LE1473L waiting engine rebuild
    71-72-73 Stag LE2013LBW waiting OD gearbox rebuild

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    Yoda CJD's Avatar
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    Re: Anyone heard of an oil additive called 'Molyslip E" ?

    GM sells it as a camshaft lubricant for engine rebuilds. Not so much an oil additive, but rather gives the cam lobes a fighting chance until the engine is running fast enough to splash oil onto it.
    John

    1955 TR2

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    Great Pumpkin TR3driver's Avatar
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    Re: Anyone heard of an oil additive called 'Molyslip E" ?

    Are you sure that's Molyslip "E" ? Molyslip makes a lot of different products, including two different grades of assembly lube/paste. But "E" is a liquid motor oil supplement, doesn't seem like the right thing for protecting cam lobes after a rebuild.

    http://www.molyslip.com/products/oil...il-supplement/

    http://www.molyslip.com/products/ant...-scruff-paste/
    Randall
    56 TR3 TS13571L once and future daily driver
    71 Stag LE1473L waiting engine rebuild
    71-72-73 Stag LE2013LBW waiting OD gearbox rebuild

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    Yoda CJD's Avatar
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    Re: Anyone heard of an oil additive called 'Molyslip E" ?

    It’s a molydisilfide pasty stuff. Other than that I know nothing about it.
    John

    1955 TR2

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