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#1
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How often to change ceramic diff balls?
I rebuild my diff fairly regularly to keep it in good working order. I always use ceramic balls and normally change them after ive rebuild 4 times or so. How long should the balls last? Am I changing them too often and just wasting money?
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#2
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Hi Tim
I changed mine before the nationals and havent rebuilt the diffs all season. I only change the balls if the diffs still feel gritty after a rebuild. Its usually one of the balls thats chipped but its impossible to see which one it is. Ive just rebuilt the diffs ready for indoors as a matter of course. I think people either rebuild them too often or run them too loose so they slip and wear the plates out too quickly. i dont expect to rebuild my diffs again until before next outdoor season I use the ceramics from RCLazy. HTH |
#3
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Technically, if your diff hasn't slipped and/or run without grease the balls should be good for at least a season.
Every 4 rebuilds seems a bit much unless you're only doing rebuilds once a year |
#4
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I think im changing too often then. I rebuild whenever it doesnt feel perfectly buttery smooth. I never let it get anywhere near a bad notchy feel. I always thought that looking after the diff was the most important thing to do in 2wd. Ill ease off the maintanance from now on
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#5
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If a new ceramic diff feels gritty and horrible its usually crap in the thrust race.
A quick strip down and clean and re-grease your away again. Ceramic balls should wear the diff plates before the balls themselves wear. I only change ceramic diff balls when i change cars |
#6
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Everytime you rebuild the diff, and only replace with Buds Balls supplied by Telstar Racing..................... I wish.
I agree with the above posts, when/if it starts feeling gritty after a rebuild. Also use some really fine wet and dry on the plates with a bit of clutch cleaner on the paper to get your plates super smooth. |
#7
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I thought super smooth plates encourages the diff to slip? You need some grip for the balls to work the plates
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#8
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Quote:
Best diff rebuild video i have seen is here. http://www.youtube.com/watch?v=YOMu6Fu3orI I use this exact method, just using a very small smear of the hard grease on the backs of the plates or else it will contaminate the diff lube. As i said, i only rebuild once before outdoor season and once before the indoor season. I use a bit of foam in the outdrive to stop dirt from getting into the thrust race ( foam compensator out of the top of a shock ), and then use diff protectors on the Tamiya too. A dirty thrust can make it feel gritty, but in my experience, as i always clean and regrease the thrust when rebuilding anyway, its a chipped ball thats causing it. I have Matt White to thank for pointing that out to me some time ago. HTH |
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