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Old 03-22-2014, 03:44 AM   #4411
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Anyone using the LRP Flow speedo in their XB4? I have one and I'm trying to decide on the best way to mount it in the buggy, I assume I'll have to remove the wire management post(s) in the chassis. Anyone have a picture of the Flow in their buggy?
http://eos.redrc.net/2013/01/chassis...-martin-bayer/
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Old 03-22-2014, 05:15 AM   #4412
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Thank you, appreciate the help.
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Old 03-22-2014, 09:07 PM   #4413
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Where can I get the 2014 xb4? Everywhere I look out
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Old 03-23-2014, 05:45 AM   #4414
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Where can I get the 2014 xb4? Everywhere I look out
try cruizinrc in nj. i think he has one. say ben sent ya lol.
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Old 03-23-2014, 06:27 AM   #4415
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Where can I get the 2014 xb4? Everywhere I look out
rc-mushroom.com
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Old 03-23-2014, 06:40 AM   #4416
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My rear diff is clicking after 1 race day. It doesn't feel loose like it needs a shim so should I loosen the slipper a little more or shim it super tight.
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Old 03-23-2014, 06:59 AM   #4417
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My rear diff is clicking after 1 race day. It doesn't feel loose like it needs a shim so should I loosen the slipper a little more or shim it super tight.
Chances are your slipper was already too tight and you've chipped a tooth.

I have not found the need to shim my diffs - Xray tolerances are very good.

1) Pull your diff.
2) Inspect the pinion gear - the one on the center shaft. Be prepared to replace it.
3) Check the ring gear on the diff.
4) Open your diff up and examine the gears. Check the spider gears for chipped teeth.

It's gotta be somewhere!
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Old 03-23-2014, 07:38 AM   #4418
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Chances are your slipper was already too tight and you've chipped a tooth.

I have not found the need to shim my diffs - Xray tolerances are very good.

1) Pull your diff.
2) Inspect the pinion gear - the one on the center shaft. Be prepared to replace it.
3) Check the ring gear on the diff.
4) Open your diff up and examine the gears. Check the spider gears for chipped teeth.

It's gotta be somewhere!
I already replaced the ring and pinion. The pinion had 2 teeth that were rounded off. Just trying to figure out if that's cause the slipper is to tight or it needs a shim.
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Old 03-23-2014, 08:42 AM   #4419
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I already replaced the ring and pinion. The pinion had 2 teeth that were rounded off. Just trying to figure out if that's cause the slipper is to tight or it needs a shim.
The slipper setting in the 2014 book is wrong, the slipper should be between 5.7-6.3mm. Granted I don't run on high bite track but I've yet to have an issue with any of the drivetrain on the xb4.



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Old 03-23-2014, 08:46 AM   #4420
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I had to shim my slipper as it had frnt to back movement and ended up ovaling my spur as it was moving on the pinion
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Old 03-23-2014, 09:32 AM   #4421
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All of u that have the Ball diff what's your results ,opinion any feedback would be gr8
did u run 1 in front and rear or just rear ?? thanx
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Old 03-23-2014, 10:01 AM   #4422
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I already replaced the ring and pinion. The pinion had 2 teeth that were rounded off. Just trying to figure out if that's cause the slipper is to tight or it needs a shim.
I never shimmed but haven't killed any bevel gears since I've been adjusting the slipper when I race at other tracks.

Before I was chewing up about 1 a month
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Old 03-23-2014, 06:02 PM   #4423
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What avid pistons are you guys running
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Old 03-23-2014, 08:17 PM   #4424
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What avid pistons are you guys running
I personally have been using (2x1.5/ 2x1.1) up front and the (2x1.6/ 2x1.1) in the rear. For shock oils have been 37.5wt up front with 30wt rear, and adjusting oils depending on heat and traction levels.
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Old 03-24-2014, 03:41 AM   #4425
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Just curious guys, do xray make steel diff gears for the xb4?
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