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  1. #1

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    Greasegun Cartridges for Polyurethane Bushings

    Poly bushings can be sensitive; not every lubricant is appropriate for them. I recently used up the last cartridge in my greasegun and need to buy more.

    Much as I like ES`s Formula 5, they no longer offer it in greasegun cartridges and there`s no way I`m gonna transfer it from a plastic tub into any of my guns.

    Who makes a good, Polyurethane-compatible lube that comes in cartridges?

    I have one remaining tube of Griot`s Super Impact Grease, but when I called and asked them about it, their Customer Service Representative...

    [WARNING, rant follows...]

    [OH...Original Post DELETED..]

    Had nothing of use to tell me even after I finally convinced him that it really was a GG product (I was reading off its GG label and this [individual] still argued with me, with statements and vocal inflections that were insulting).

    So I don`t know whether it`d be OK to use that or not and I`m not taking any chances.

  2. #2
    Coleroad's Avatar
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    Re: Greasegun Cartridges for Polyurethane Bushings

    I use super lube synthetic grease. Absolutely polyurethane compatible. I used it on the bmw after installing poly bushes. I am in the process of installing poly bushes on the camaro. I just ordered a new cartridge of the super lube because i ran out. I haven’t had a problem with squeaking, or stiction with it.


    funny that you posted this today. I had just ordered som from spohn dot com . Then cam over here to read what was going on. They are located in PA.so should be a quick way to get it for you.
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  3. #3

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    Re: Greasegun Cartridges for Polyurethane Bushings

    Coleroad- Heh heh, from my mouth to God`s ear Perfect timing, huh?!? Somehow, Spohn sounds familiar to me too. Thanks!

    Maybe if I order the lube I`ll get back on the Crown Vic Project one of these days...at least I`ll have one less excuse
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  4. #4
    Coleroad's Avatar
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    Re: Greasegun Cartridges for Polyurethane Bushings

    Sphon is a family owned business with great customer service. They make most of the products they sell. Of course super lube isn’t but still supporting a family business.

  5. #5

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    Re: Greasegun Cartridges for Polyurethane Bushings

    Even better

  6. #6
    SUPER MODERATOR GearHead_1's Avatar
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    Re: Greasegun Cartridges for Polyurethane Bushings

    Mobil 1 and Valvoline both make synthetic greases that work well on polyurethane bushings. I’ll need to look but the cartridges I have now were Mobil 1’s synthetic aircraft rated grease. Back in the day it was well recommended for firearm parts it hangs around in high heat environments and kinda where I stumbled across it ($10-$12/cartridge). It simply seems to never go away on sway bars and control arm bushings. I’ve used it on poly bushings for years without issue. The Mobil 1 version is a little bit sticky, kind of like a marine grease but as long as you’re not applying gobs of it you’ll be good. For the most part a heavy duty, high pressure grease that isn’t petroleum based should do just fine on polyeurothane.
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  7. #7
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    Re: Greasegun Cartridges for Polyurethane Bushings

    I know guys use a marine lithium grease a lot. Personally I would check into that a bit b4 using tho.

  8. #8
    Coleroad's Avatar
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    Re: Greasegun Cartridges for Polyurethane Bushings

    Quote Originally Posted by Dr Oldz View Post
    I know guys use a marine lithium grease a lot. Personally I would check into that a bit b4 using tho.

    lithium grease is compatible, but it melts at such a very low temperature. It ends up melting and runny out real quick during use. I like lithium grease, but not for this application. The marine stuff does have much better water resistance than regular lithium grease though.
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  9. #9

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    Re: Greasegun Cartridges for Polyurethane Bushings

    Ah, I appreciate all the contributions, more info is always good in my book!

    And I kinda figured that Firearms might come up in a discussion of synthetic lubes

    GearHead_1- I`d blown off the Mobil1 (and didn`t think of the Valvoline) because they don`t have it in cartridges at my local place.

    I do wonder about the thick/"sticky" lubes as I question whether they`d get into the areas where they gotta.

  10. #10
    Coleroad's Avatar
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    Re: Greasegun Cartridges for Polyurethane Bushings

    Quote Originally Posted by Accumulator View Post
    I do wonder about the thick/"sticky" lubes as I question whether they`d get into the areas where they gotta.

    I hadn’t really thought about before. I could see that maybe being true on ones that aren’t fluted, or knurled on the inside. If they are fluted or knurled I wouldn’t think it would be a issue. Those grease gun really do force a lot of pressure.

    it’s a good question. It would be nice to hear from someone who has tested it out.

  11. #11

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    Re: Greasegun Cartridges for Polyurethane Bushings

    Coleroad- Yeah, one of those situational things; I wouldn`t worry on some things at all, but others are a different story.

    No practical way to test it on the bits I`m concerned about either, gonna err on the side of caution.

 

 

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