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R/C Tech Forums Thread Wiki: Official Xray XB2 2WD Buggy Thread
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Last edit by: dgrobe2112
Instruction manuals: (C/O BentKa)

Xray XB2 Carpet Edition Instruction Manual
http://www.teamxray.com/xb2/2016/dow...ual_v2_low.pdf

Xray XB2 Dirt Edition Instruction Manual
http://www.teamxray.com/xb2/2016/dow...w.pdf?update=2

BentKa: Carpet Edition 4 gear to 3 gear laydown conversion parts:
  • Gearbox #323014
  • Motorplate #324012
  • 36T idler gear #324236
  • Brace for waterfall #324031


Socket: Bodies Available:

Xray has two OEM bodies, the .75mm and the .50mm light weight:
light weight: https://www.amainhobbies.com/xray-xb...329701/p492942

OEM .75mm: https://www.amainhobbies.com/xray-0....329700/p477762

Also, I've fitted the yz2 body, both the light and regular fit fine, just make your own cut lines:
https://www.amainhobbies.com/yokomo-...z2-101/p417674


[i] J Concepts S2 Body [i]


Penguin Racing makes a high grip body that fits the DE and CE:
http://www.ebay.com/itm/X-Ray-Xb2-Hi...oAAOSw1S9WewHV



Socket: Wheel fitment:

According to some, you'll require different offset rear hexes to use B5M wheels. According to my Hudy setup board, B5M wheels are the same offset. I measured the overall width of the car with XB2 wheels, and then again with B5M wheels, same measurement.

On the front, B5M wheels were 1.5mm wider. Xray offers hexes to reduce width -.75 on each side, or you could spend 3-5 minutes and sand your OEM hexes down .75mm.

edit by dgrobe2112
here are the hubs for losi and AE

for AE Front 365354 -0.75
for Losi rear 365358 +3.00 (4 stripe)
for AE rear 365359 +3.75 (5 stripe)



Socket: Flex and the XB2:

Flex screws are as follows:

Plastic bulkhead between motor and waterfall. Can remove screw in chassis, or remove bulkhead altogether.

Waterfall has 4 screws, can remove the inner two or outer two. IIRC, removing the inner two provides more flex, and thus more bite.

Removing the battery brace. This gives a tremendous amount of flex on the middle of the car, and can sometimes be inconsistent. I do this for outdoor racing on low bite. I like the feel over the 4 gear in 17.5 racing, since the 4 gear will take some snap away off the corner.

Rear C block - has inner and outer screws. I haven't played with this, as it's a crucial pivot point of the car.

Medium arms and towers -> I don't believe the carpet car has the rear medium tower available, however the DE DOES have an optional hard part. I think the hard parts are more consistent, especially when it gets hot (90+ degrees F). However, the medium parts do NOT break unless you're severely talented. They also don't wear out.



Socket: Avid/Schelle Slipper mod:

Credit to WillS, Matt Trimmings, and myself for figuring this out months ago.

Parts you'll need:

B5M V2 3gear compatible top shaft.
TKO Special 5x13x5 bear OR 5x13x6 bearing Either can work. This replaces the spur side bearing on the top shaft.
5mm shims, same shims used in 1/8th scale clutch bells. Look for protek .1mm and .2mm kit.
Avid or Schelle b5m top shaft kit, with spur gears of your choosing. (DE can't handle a 69, the CE can)

Shimming: You'll need to install the bearing in the front portion of the removable piece for the shaft. Make sure the bearing is pushed all the way in. With the TKO bearing, you'll need to shim approximately 1.4mm on the front side of the top shaft. Roughly .3-.5mm with the other bearing. This is a "feel" and tolerance setting. I urge you to watch videos about setting clutch bell play in 1/8th scale to get an idea of what yield you want for end play. Too tight, it'll eat bearings.

Outside of trans case: Use Avid/Schelle top shaft spacer plus .2mm shim to offset slipper from motor plate perfectly. Install slipper as instructed, and use Avid/Schelle spring and XB2 slipper nut.

- NEW - Schelle now sells Xb2 Topshafts. They include a spacer, so no need for shims in gearbox, and comes with the smaller bearing. Both methods work.

Socket: Yokomo Differential or MIP pucks:

Credit to: WillS for figuring out pucks, and as well fitting the Losi 22 diff with the same mods.

Parts needed: Yokomo Bmax2 or YZ2 complete diff OR Mip PUCKS outdrives
Xb2 diff gear
Bmax2 V3 Worlds rear dog bones, or Bmax 2 pucks dog bones
You'll use XB2 axles, and will require no other mods for the axles or dog bones.
You'll need .2mm outdrive/diff shims. Shim approximately .5mm on each side of the diff, behind the bearings. The top portion of the transmission is what "sets" the diff in place, not the bottom half. A little play back and forth is fine, the stock diff has some play from the factory.

dgrobe2112: CE to DE conversion:
along with the parts needed.. you MUST have these following hardware, or it wont work

https://www.teamxray.com/xb2/2016/do...conversion.pdf

(3) XRAY 902340 M3x40 button head screws. these are the screws that mount the motor mount to the tranny
(4) XRAY 903322 M3x22 counter sunk screws. these are for the rear diff case, to mount to the chassis. i think i used some M3x18 and they worked ok.

Socket: Best method for setting up the XB2 ball diff:

The XB2 diff is stellar when setup correctly. The spring is too short and soft, allowing the diff to slip. You'll need to glue the rings to the outdrives with just a drop of CA, then add a 1mm shim between the spring and the outdrive. This preloads the spring and stops the diff from slipping so easily.

OR, you can run the AE diff spring, which is both slightly longer, and stiffer. The overwhelming issue is the stock spring allows the nut to bottom out on the outdrive before the diff is tight enough.

This shim:
https://www.amainhobbies.com/xray-al...a303122/p12070

This diff spring (don't need a shim, then.)

https://www.teamassociated.com/parts...thrust_spring/

Functional Aftermarket parts: (Not just bling!)

Servo Horn: (The B5M sized horns are too short to get full throw)
https://www.amainhobbies.com/protek-...800-bk/p273496


Socket: Exotek has a full suite of parts, some bling, some not. Here's a list (all fit DE and CE, unless otherwise noted):

Titanium front axles: http://www.exotekracing.com/xb2-titanium-front-axles-2/

Rear Hanger, HD (Adds 4 grams): http://www.exotekracing.com/xb2-rear...75-heavy-duty/

Brass C block, 18 grams added: http://www.exotekracing.com/xb2-rear...-brass-weight/

Alloy front camber mount: http://www.exotekracing.com/xb2-fron...er-mount-7075/

Carbon Fiber Chassis: http://www.exotekracing.com/xb2-carb...m-plate-2-5mm/

Alloy rear hubs:http://www.exotekracing.com/xb2-allo...ub-set-2-7075/

Alloy servo mounts, allow for use of LP servo:http://www.exotekracing.com/xb2-xb4-...-alloy-1-pair/

Titanium shock mounts: http://www.exotekracing.com/xb2-xb4-...shock-posts-2/

Slipper Eliminator: http://www.exotekracing.com/xb2-direct-spur-mount/
Xray eliminator is #324100

dgrobe2112: 2016-2017 new 3 gear laydown
Gearbox #323014
Motor plate #324012
36T idler gear #324236
Brace for waterfall #324031

dgrobe2112: Xray Spring Rate Conversion:
front C WHT
368174 2 str 0.65-0.85 3.71-4.85

358184 2 dot 0.65 3.71
368185 3 dot 0.72 4.11
368186 4 dot 0.80 4.57


Rear
368273 2 str 0.35-0.45 2.00-2.57

368284 1 Dot 0.35 2.00
368285 2 Dot 0.40 2.28
368286 3 Dot 0.45 2.57
368287 4 Dot 0.50 2.86

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Old 04-07-2016, 11:19 AM   #2491
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I'd suggest this clutch package from Schelle if you are running stock. If you want a 69tooth youlll need to grab one, as this comes with 72 and 76.

http://www.amainhobbies.com/rc-cars-...hl1301/p300535
The avid clutch comes with vented drive plates. If you order direct from avid, you can pick the spurs you want. Like 2x 69 tooth or whatever.
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Old 04-07-2016, 11:40 AM   #2492
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Like wildcat said - order direct from Avid and pick your spur gears.
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Old 04-07-2016, 12:29 PM   #2493
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Great tips guys! I actually ordered my ceramic bearings from AVID. They are solid and ship fast.
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Old 04-07-2016, 02:29 PM   #2494
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Quote:
Originally Posted by 13Maschine View Post
I'd suggest this clutch package from Schelle if you are running stock. If you want a 69tooth youlll need to grab one, as this comes with 72 and 76.

http://www.amainhobbies.com/rc-cars-...hl1301/p300535
You can also order it from here:
http://www.schelleracing.com/Schelle...sembly-SCH1301

And they offer a 64 pitch gear as well. The 88t is like running a 66t 48 pitch, not sure on the 96t
http://www.schelleracing.com/Schelle-Nova-Spur-Gears
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Old 04-08-2016, 01:54 AM   #2495
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Great tips guys! I actually ordered my ceramic bearings from AVID. They are solid and ship fast.
You can't ever go wrong with anything avid sells. Best in the aftermarket business.
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Old 04-08-2016, 04:36 AM   #2496
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Quote:
Originally Posted by gticlay View Post
You can also order it from here:
http://www.schelleracing.com/Schelle...sembly-SCH1301

And they offer a 64 pitch gear as well. The 88t is like running a 66t 48 pitch, not sure on the 96t
http://www.schelleracing.com/Schelle-Nova-Spur-Gears
The 96 is like tunning a 72 48P
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Old 04-08-2016, 07:09 AM   #2497
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Is that mod or stock?
Mod
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Old 04-08-2016, 07:20 AM   #2498
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Has anyone pulled that plastic block out from behind the waterfall?

I'd like to try the battery strap without this plastic block. Going to give it a shot.
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Old 04-08-2016, 07:52 AM   #2499
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.....gotta say, I'm a little tired of waiting for parts. RCAmerica is great about shipping stuff when it arrives but it takes forever for XRay to get parts to RCAmerica. That fancy parts availability thing that Bent posted is fine and dandy if you are in Slovakia. Its a big sack of butt cheeks if you live in the US.
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Old 04-08-2016, 08:58 AM   #2500
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Originally Posted by QDRHRSE View Post
.....gotta say, I'm a little tired of waiting for parts. RCAmerica is great about shipping stuff when it arrives but it takes forever for XRay to get parts to RCAmerica. That fancy parts availability thing that Bent posted is fine and dandy if you are in Slovakia. Its a big sack of butt cheeks if you live in the US.
What parts are you in need of?

I have been going to absolute hobbyz for everything; I have to call RC America and that's not going to happen, Amain is OOS or DC'd on most products, and that fancy website xray has means literally nothing to me as an end user.

It's 2016, not 1993. If I have to call to order parts, I'll just go somewhere else. It's also odd that several parts are marked discontinued from Amain; it gives me the wrong impression that parts for a car just released have actually been discontinued from their line.

Did you see on the bookfaces that Xray is replacing the "faulty" (I don't think it is..but I digress) rear arm mount that people have broken?
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Old 04-08-2016, 09:55 AM   #2501
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Yeah...I'm curious which parts you are waiting for?
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Old 04-08-2016, 10:49 AM   #2502
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I agree with Socket, I can't stand calling to order parts. My local shops offer to ship me parts, but I prefer the automation of online with tracking. I don't wanna call the local shop 8 times to see what's going on with my order. it's 2016! The track should deliver my parts to the bench right after I crash and burn! ahahhahaha
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Old 04-08-2016, 11:10 AM   #2503
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I've ordered from XRay Shop in Austria but it took 2 weeks to arrive, I probably won't order from them again.

Amain has stock trickling in and out.

Quote:
Originally Posted by QDRHRSE View Post
.....gotta say, I'm a little tired of waiting for parts. RCAmerica is great about shipping stuff when it arrives but it takes forever for XRay to get parts to RCAmerica. That fancy parts availability thing that Bent posted is fine and dandy if you are in Slovakia. Its a big sack of butt cheeks if you live in the US.
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Last edited by lagcisco; 04-08-2016 at 12:57 PM.
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Old 04-08-2016, 11:13 AM   #2504
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I've ordered from XRay Shop in Austria but it took 2 weeks to arrive, I probably won't order from them again.

Tonisport http://www.fast-webshop.com/tonisport on the other hand took about 5 days and price wasn't too bad since you don't pay VAT in the US and also had a 10% off coupon.
They don't list any xb2 parts on their webstore.
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Old 04-08-2016, 12:54 PM   #2505
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I have bought an assembled ball diff for my carpet car. took it apart and checked it and it is greased. it actually seems pretty smooth. are you guys just running it the way it comes from xray or do you suggest rebuilding it with higher quality grease.
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