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Old 10-22-2013, 08:17 PM   #1
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Default 1/12 diff grease what do you use

hey im rebuilding my diff and not sure what to use/ whats the best?

anti wear grease
white auto
red high temp auto bearing
tamiya diff
or what

thanks
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Old 10-22-2013, 08:27 PM   #2
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The very best Team Associated clear silicone ball diff grease. If you buy an Associated offroad vehicle once a decade as I do, you have enough grease in that kit to race 1/12 pretty much continuously.

Don't use black grease, real-car grease, lithium grease, or moly grease as they are too slippery. Ball diff grease cant be super-lube as the ball still needs some 'bite' on the ring. Black grease is great for a lot of stuff in a 1/12 scale, like thrust bearings, just not this.

I hope that helps a bit.
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Old 10-22-2013, 09:24 PM   #3
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I use Schumacher ball diff silicon grease and like it a lot. A friend of mine use 300k diff oil on the balls as diff grease. So much cheaper and run great
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Old 10-22-2013, 09:52 PM   #4
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AE 6636

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Old 10-23-2013, 01:10 AM   #5
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Why 6636 and not 6591?
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Old 10-23-2013, 11:12 AM   #6
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Associated, Losi, Tamiya ball diff grease are the best I've used.

A tube of each lasts for many, many rebuilds. This is one area where cheap will cost more.
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Old 10-23-2013, 12:03 PM   #7
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Josh Cyruls take on diff building.

CRCs take on diff building.

These seem to back up what I have always heard about the stealth lube being too "slippy".

Works for me!

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Old 10-23-2013, 03:06 PM   #8
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Quote:
Originally Posted by AreCee View Post
Associated, Losi, Tamiya ball diff grease are the best I've used.

A tube of each lasts for many, many rebuilds. This is one area where cheap will cost more.
Tamiya Ball Diff Grease is the only one I won't use. It's far too gritty.
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Old 10-23-2013, 04:51 PM   #9
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AE grease (the regular stuff and not the stealth stuff) and only AE grease. Nothing else that I've tried works nearly as good as the AE stuff. One little tube will last for years and years.
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Old 10-24-2013, 05:07 AM   #10
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Yeah AE grease for me, works great.
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Old 10-24-2013, 07:28 AM   #11
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AE red label grease...
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Old 10-24-2013, 11:47 AM   #12
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I prefer to use the kyosho stuff. Not sure on the part number or if its available seperately but it came in my rb6 and man its awesome! If not that the standard issue associated stuff works a treat.
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Old 10-24-2013, 01:34 PM   #13
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Quote:
Originally Posted by PROMODVETTE View Post
Why 6636 and not 6591?
red label, 6636 is silicone

it works best

I keep going back and forth between 6636 and schui, can't decide if one is better.
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Old 10-24-2013, 02:44 PM   #14
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All good advice to be followed - AE diff grease for me too.

All the lube needs to do is lubricate the balls against the plastic of the diff gear. This is the only part of the diff where friction will affect the diff action. All the drive from the motor to the axle is taken through the balls. The spur gear pulls the balls around, so when you turn there is a lot of force between the balls and one side of the holes in the spur gear.

Like Josh says, ceramic diff balls and a Kimbrough spur gear are an absolute must for a good and long-lasting diff build. Machined spurs are hopeless as during racing when the car turns, the spur 'falls off' the crown of the balls as they turn and collides with the face of the diff plates giving all sorts of unwanted friction in the diff. HTH
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Old 10-24-2013, 08:30 PM   #15
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Ya, the AE grease is good. The best part is after you build few AE cars, you will have all the grease you need for the rest of your life. LOL
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