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#1
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Xb2 rear grip on carpet
Hi all, I need a little help here. I am running my xb2 as per kit setup with the medium front plastics and 40 gram under lipo weight and I can't seem to to get rear traction. When I apply the brakes or try to accelerate out of a corner, the back end want to come around. Any suggestions?.
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#2
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It I'll be your setup causing the problem
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#3
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Quote:
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PR Racing UK Absima UK |
#4
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is your diff empty does it need rebuilding
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Schumacher cougar laydown |
#5
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i have the same issue, but not tried anything yet. not raced this month
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Rc disco Team Xray Team Tekin |
#6
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Sorry to hijack this post a little,(could be silly question time)but is the ball diff a direct fit into the xb2?. Hopefully I should be getting the car in the next few weeks and if it does ill get one for it.
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TLR 22 5.0 AC Elite TLR 22x4 Elite TeamC Tm2v1 TeamC Tco2c Evo Veteran |
#7
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I bought I ball diff with my kit and haven't to be honest even built my gear diff and just waiting for my shell now so can run it |
#8
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That's your official ball diff
http://www.rcdisco.com/part-info.php?partNo=XR325000 I'm gonna try mine with it today at York for first time seeing as its a bit slippy. So fingers crossed it works (never run ball diff before)
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Mark Gudgeon Xray XB2 '18 Xray XB4 '18 |
#9
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It will definitely be better on the slippy stuff than the gear diff. I will be using mine mainly on carpet so the gear diff will get most use. Even when I run outdoors the gear diff will be in most of the time unless it's wet.
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TLR 22 5.0 AC Elite TLR 22x4 Elite TeamC Tm2v1 TeamC Tco2c Evo Veteran |
#10
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I found the rear was a bit too lively, on the XB2, on lower grip carpet grip, with kit set up. So, I Went up to 12500 cst oil in diff and laid down the rear shocks. It worked a treat. Read end was locked in!
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#11
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Both my mate & I found the diff to evaporate the oil, although Bent said this is impossible with silicone oils. We found the oil would turn black and the viscosity would turn to a paste. We have used all the manufactures oils and all have found all to be the same. I've put it down to the small tight and twisty tracks here in the UK which is over heating the oil. After 4-5 runs we could tell when the oil was getting low as the would start to over rotate in the corners and become very unpredictable. Both my mate and I now run the ball diff which is far superior and manageable, just don't let it slip and ensure you don't over tighten.
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#12
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#13
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Good job it's only 6 screws to get the diff out!
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Nick Priest http://www.midlandsraceway.co.uk/ http://model-car-racer.co.uk For the best PERMANENT Indoor Off Road circuit in the West Midlands. |
#14
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I have built mine up with metal ones and ordered the metal pins from France so goi g try it at bury if weather is ok |
#15
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Built it up with the plastic gears. I did have a look for metal gears but couldn't see them on Mb.
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Nick Priest http://www.midlandsraceway.co.uk/ http://model-car-racer.co.uk For the best PERMANENT Indoor Off Road circuit in the West Midlands. |
#16
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Tried both with the same result, even removed two of the gears so there was a greater volume of oil, lasts longer but still the same net result. I would recommend going with the ball diff
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#17
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I have a ball diff going to give the gear diff a run and see what maybe o can think of. Bit surprised to be honest as the xray gear diffs are what made the xb4 such a great car
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#18
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#19
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This isn't happening to me with mine. I usually dislike gear diffs but I like this one.
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Modelsport UK Race Team | Schumacher KC
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