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Thread: Lubricating gears?

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Old 10-01-2017, 07:32 AM   #1
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Default Lubricating gears?

Good morning everyone. This question applies to both the current bully 2 comp axles and the old bully cast axles, as Iím building up both, and wasnít having much luck with searching.

I havenít build up a MOA rig yet, but thought I already had all my questions answered. Then the question of lubricating gears has come up. Iím used to the pinion and spur being outside the gear box, so you can keep the pinion/spur dry and the gears ďwetĒ.

However, whatís the guidance for MOA gearsets when the pinion/spur is inside the gearbox?

Grease like normal?

Perhaps a spray silicone like Moo-slick?

Run them dry?

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Old 10-01-2017, 07:35 AM   #2
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Default Re: Lubricating gears?

Grease my friend, grease is your best friend .
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Old 10-01-2017, 07:38 AM   #3
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Default Re: Lubricating gears?

I use brake caliper moly grease. A light film is all you need

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Old 10-01-2017, 04:40 PM   #4
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Default Re: Lubricating gears?

I use vp grease and coat the gears good, then the one gear the pinion runs against I try not to grease but just a tiny bit will get on it but its not a big deal.
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Old 11-29-2017, 11:06 AM   #5
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Default Re: Lubricating gears?

:edit: I use a little bit of Vaseline

Last edited by intheworks; 12-11-2017 at 12:25 PM.
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Old 12-12-2017, 11:52 AM   #6
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Default Re: Lubricating gears?

Run mine dry, but i'm probably the only one. With that said i'm still running the oringinal gears and bearing from 3yr ago with no sign of wear on the gears.

Last edited by chevotafun; 12-12-2017 at 11:56 AM.
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Old 05-10-2018, 10:09 PM   #7
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Default Re: Lubricating gears?

I use marine grease, since it's also waterproof/water barrier, and high temp.
I use it in my differentials, transfer case, and transmission, a decent coating, but not too much.
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Old 05-11-2018, 12:11 AM   #8
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Default Re: Lubricating gears?

I used some really old and apparently immortal Soviet grease that my father found in his tool storage . Does the job pretty well, gears are quiet. Additionally, it provides protection from rust over time (as I'm not sure about the steel quality).
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Old 05-16-2018, 02:06 PM   #9
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Default Re: Lubricating gears?

i just used the stringy green stuff i use in my johnny joints supention on my jeep..read others liked it..wondering now if its too thick..seems to run perfect and all tho quite and smooth ..after installing the hitec7950 servo i noticed my esc really hot in 5 min or less..maybe the green grease? maybe the new servo dont like the factory bully bec and causing esc to get hotter? any ideas? seemed like the 7950 specs was same as bully bec specs iirc
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