New XRAY 808

Old 08-18-2010, 05:44 AM
  #7741  
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Originally Posted by jcrave
I hope so... I've mounted the 2010 gearboxes, and in less than a gallon I went through 8 bearings and yesterday it blew me 2 crown gears at the rear...

I must say this time I got pretty upset with this sittuation... It's a shame, because the rest of the car is bulletproof!

I might get back to the old 2009 boxes and maybe it'll last a bit longer.
Originally Posted by swede8ight
This bearing issue is driving me crazy, to be on the safe side you have to change bearings before every race, i have never had more then about 2 hrs runtime on one set so now i am trying this mod.
2 pcs 355108 XT8 10t pinion
4 pcs 8x16 bearings
2 pcs 352001 diffbulkhead XB8ec (use the same front and rear)
1 pcs IF457 MP9 front axel
1 pcs IF458 MP9 rear axel for the 2010 chassis
I am amazed you guys are having so much trouble with the 10 Spec diffs, bearings and gears.
I am glad I kept my 09 version, going on what I am reading.
I run Avid bearings and have never had a problem with the 09 bulkheads, bearings, pinions etc. I have replaced the bulkheads once in just over 2 years. Still running the original pinions and crown wheels from new
Change the bearings every 4 meetings or so when they get a little notchy, that's it.
No extra shims, grease packing, nothing. Just assemble as per the original 808 manual (with the addition of the 09 spacer between the bearings). Nip the three screws up and go.
I am a little worried, as I am guessing the 09 bulkheads will no longer be available soon (seeing as the 10 versions fit on the 09 - or so I believe).
I don't really want to run the oversize bearings etc, when the original version (with spacer) works so well for me.

Now don't get me wrong - I love my X-Ray. Gotta be the strongest most reliable buggy out there IMO, but it seems to me the strengthened / bigger / three bearing set up is a retro move. An overkill reaction to a problem that wasnt really a problem in the first place, and it isn't working (from what I read on here) ?? Just my .02c worth.
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Old 08-18-2010, 07:13 AM
  #7742  
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Originally Posted by grizz1
I am amazed you guys are having so much trouble with the 10 Spec diffs, bearings and gears.
I am glad I kept my 09 version, going on what I am reading.
I run Avid bearings and have never had a problem with the 09 bulkheads, bearings, pinions etc. I have replaced the bulkheads once in just over 2 years. Still running the original pinions and crown wheels from new
Change the bearings every 4 meetings or so when they get a little notchy, that's it.
No extra shims, grease packing, nothing. Just assemble as per the original 808 manual (with the addition of the 09 spacer between the bearings). Nip the three screws up and go.
I am a little worried, as I am guessing the 09 bulkheads will no longer be available soon (seeing as the 10 versions fit on the 09 - or so I believe).
I don't really want to run the oversize bearings etc, when the original version (with spacer) works so well for me.

Now don't get me wrong - I love my X-Ray. Gotta be the strongest most reliable buggy out there IMO, but it seems to me the strengthened / bigger / three bearing set up is a retro move. An overkill reaction to a problem that wasnt really a problem in the first place, and it isn't working (from what I read on here) ?? Just my .02c worth.
I am a bit paranoid about the pinion bearings failing and take out the bulkheads as well... I think I should go out and buy up all the 09 bulkheads in case they are discontinued...
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Old 08-18-2010, 09:46 AM
  #7743  
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You don't need to remove the brake guides from your center diff. Just dremel out the guide so the graphite/Avid disk fits. The guide helps with more consistent braking and less wear on your disks
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Old 08-18-2010, 09:58 AM
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edit for bad info

Last edited by scwrod; 08-19-2010 at 08:21 AM.
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Old 08-18-2010, 04:44 PM
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Originally Posted by scwrod
I do not think the production of the 09 bulkheads is anything to worry about. They used the 09 setup in the 808e that was just released.
To me this is still the best setup.
They used the 10' spec bulkheads in the 808e that was just released. 20mm bearings. The 09' bulks used 19mm bearings.

But I do agree with you.... the 09' 19mm bearings with the aluminum spacer in between was the best setup.
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Old 08-19-2010, 12:05 AM
  #7746  
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Originally Posted by jhautz
They used the 10' spec bulkheads in the 808e that was just released. 20mm bearings. The 09' bulks used 19mm bearings.

But I do agree with you.... the 09' 19mm bearings with the aluminum spacer in between was the best setup.
+1
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Old 08-19-2010, 12:07 AM
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Originally Posted by acerracing
Yes we have just released the XRAY 808 2010 Edition Ceramic Bearing Kit. This is a full and complete XRAY 808 bearing kit made from our Ceramic Nitride Pro Series ball bearing material. Includes six (not 4) reengineered 13x20mm ceramic bearings, ceramic clutch bearings, and all the other bearings in the buggy (even the steering and clutch)! This ceramic bearing kit is amazing, and so is the XRAY 808 2010 Edition!
On sale for $119.99 with FREE worldwide shipping.
anyone try these yet???
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Old 08-19-2010, 03:56 AM
  #7748  
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looking forward for some feedback about those as well...
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Old 08-19-2010, 08:19 AM
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My bad. I just saw the 2 bearing +spacer in the pic and assumed it was the 09'.
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Old 08-19-2010, 11:11 AM
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I'm going to make up the spacers tomorrow so i can use the 3 bearing pinion in 2009 spec bulkheads..I'm not impressed with the longevity of the 13x20 bearings so far and am checking/changing the outer one after every race just in case which seems extreme to me..I'm hoping my dust cover mod will help with this so as I have 6 13x20 bearings left I'll run the next race or two with them plus the dust covers and see how it goes.It's not helped by the fact that virtually no one makes the 13x20 bearings.I found a great cheap supplier from the Uk on ebay who does excellent quality bearings really cheaply.The 13x19 and 8x14 I bought from him at the beginning of this year are still in the wheels ..I've cleaned and re-greased them once all season and the same goes for the 8x16 from the same seller.Absolutely the best bearings I've tried for any buggy in the last 5 years.Not a trace of grittiness even after 9 races and lots of practice sessions in dustbowl conditions.
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Old 08-19-2010, 02:50 PM
  #7751  
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I'm awaiting the arrival of my brand new XB808 10 spec, so you guys are telling me I'm going to have diff and gear problems with this new car?
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Old 08-19-2010, 02:52 PM
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Oh and Bearings too?
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Old 08-19-2010, 03:33 PM
  #7753  
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Originally Posted by Nitro-nutz
I'm awaiting the arrival of my brand new XB808 10 spec, so you guys are telling me I'm going to have diff and gear problems with this new car?
No, you won't! I have the 2010 spec also and nothing wrong with it. Just changed all the bearings at about 2 gallons. They were still ok but to be sure i changed them with Avid's. My car is just getting better and better as i am learning how setting it up works.

You will love it. Best car out there!

Hans
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Old 08-19-2010, 03:33 PM
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for some reason I cannot understand all the bearing problems. I still feel it is an issue with chassis flex. I use a kingsheadz engine mount with the extended arm. I am on my second set of pinion bearings since april.
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Old 08-19-2010, 03:38 PM
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Originally Posted by bigmatt
I use a kingsheadz engine mount with the extended arm.
Me too! Very nice to quickly change clutch bearings.
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