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Thread: Differential ~ Slop @ Pinion (36/14)???

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Old 08-25-2012, 05:10 PM   #1
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Default Differential ~ Slop @ Pinion (36/14)???

Im noticing a fair amount of play (slop) in the pinion at the diffeential which seems to be coming from the bearing inner race. Im sure this is common on any pinion/ring gear combo but how are you guys combatting this one?
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Old 08-25-2012, 05:18 PM   #2
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Default Re: Differential ~ Slop @ Pinion (36/14)???

up/down//left/right play or in/out? Are there two bearings and both are good?

I put a Traxxas teflon 5mm washer between the outer bearing and MIP shaft to keep the pinion out away from the diff where the mesh seems happiest and left it at that.
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Old 08-25-2012, 07:31 PM   #3
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Default Re: Differential ~ Slop @ Pinion (36/14)???

in/out which i beleive is fine, its up/down making the driveshaft wobble signifigantly by hand (manual) and the bearings are both still relatively new. Just got the wraith a month or so ago and have only a dozen runs on er'
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Old 08-25-2012, 08:10 PM   #4
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Default Re: Differential ~ Slop @ Pinion (36/14)???

I've got the overdrive ring and pinion in my Wraith and there is a little up/down play, but it doesn't seem to affect the balance of the drive train. Stock WB driveshafts with inserts for strength.

Maybe your driveshaft(s) have a bit of a twist making them run out of balance?
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Old 08-25-2012, 08:53 PM   #5
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Default Re: Differential ~ Slop @ Pinion (36/14)???

Quote:
Originally Posted by SwampDawg View Post
in/out which i beleive is fine, its up/down making the driveshaft wobble signifigantly by hand (manual) and the bearings are both still relatively new. Just got the wraith a month or so ago and have only a dozen runs on er'
What driveshafts are you running? My MIPs have a little slop in em. The pinion is actually not where most of the play is coming from. If you have MIP driveshafts I have heard that the play can be helped by using Traxxas style driveshaft set screws with a small shoulder. Haven't tried it because the play doesn't seem to be bothering anything.
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Old 08-25-2012, 09:32 PM   #6
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Default Re: Differential ~ Slop @ Pinion (36/14)???

the only stock parts left on my axles are the lockers (Fr/Rr) and the drive-shafts. Eventually ill get the VP lockers and MIPs but for now...itll have to do!

this Wraith is one helluva moneypit *jeesh*
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Old 08-25-2012, 11:32 PM   #7
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Default Re: Differential ~ Slop @ Pinion (36/14)???

Just run it. It will be fine.
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Old 08-26-2012, 05:51 AM   #8
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Default Re: Differential ~ Slop @ Pinion (36/14)???

I had in out slop so i just installed some 5mmx8mmx.05mm durango shims on the outside of the pionion shaft. No more play
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