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Old 09-21-2007, 08:24 PM   #1
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Default Losi 8 center diff ?

I bought a center diff off of ebay, and it is an rtr diff. My question is, when I took it apart... there where shims behind the cross gears???? my pro kit did not have them? is this something new? I find it hard to belive there would be a difference between pro and rtr center diff....

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Old 09-21-2007, 08:31 PM   #2
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my pro kit had shims. Are you sure they are not there? mine were stuck pretty good.And yes the diffs are the same.


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Old 09-21-2007, 08:35 PM   #3
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no... I have no shims on any of my diffs...... are they on all the diffs... or just the center????


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Old 09-21-2007, 09:14 PM   #4
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mine has shims in it.. and its a pro kit
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Old 09-21-2007, 09:25 PM   #5
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Funny, I build 3 Pro kits none had shims and the other day I open up a RTR...IT HAD SHIMS.NOW WHAT!!!!
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Old 09-21-2007, 10:18 PM   #6
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Don't worry about the shims. I believe they are a running change to the diffs. My pro kit didn't have them either. Throw the diff in and run it.
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Old 09-22-2007, 04:52 AM   #7
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Default diff

They are a running change. The shim is there to give a better seal for the o-ring.
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Old 09-23-2007, 12:02 AM   #8
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Quote:
Originally Posted by sracer View Post
They are a running change. The shim is there to give a better seal for the o-ring.
Not only that i think. When i raced the Xraychallenge in denmark. It was the cars first race, i had the center diff lock up on me. it seemed like the mesh wasnt right. first i changed the diff gears. and it happend again( yes i broke in the diffs). And i remeberd that i had the same problem on my Hyper 8 diff.
So i used shims. newer any problem after that. there where 4-5 other 8 there and none of them had the problem. i think it was my engine. It was a CMB rs 21. it has incredible torq.
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