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Old 09-03-2016, 09:21 PM   #11311
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On low medium clay, I'm running 7/5 in front and back. Centre i'm running 100k... Pin tyres

Went to slipper and definitely found it less consistent. Suggestion is get a few weights and experiment.
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Old 09-04-2016, 12:02 AM   #11312
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Ran my 16 for the first time last night. Med-high grip clay at rainmans in bakersfield. Set it up with 7k 200k 5k and dont plan on changing a thing. Buggy is on rails.
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Old 09-04-2016, 02:13 PM   #11313
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Ran my 16 for the first time last night. Med-high grip clay at rainmans in bakersfield. Set it up with 7k 200k 5k and dont plan on changing a thing. Buggy is on rails.
thats not a good attitude if you want to see the cars full potential. theres always things to improve.

try 500k in the center diff for starters. these cars like thicker center fluids.
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Old 09-04-2016, 03:47 PM   #11314
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I know, but honestly i dont get to drive enough to really even notice what most changes do to the car, i just do a little research before i build and then just learn to drive the car how it is. I really have zero complaints on how the car handled, and i am only running a 13.5 so i know i'm nowhere near the cars potential anyway. As i get more wheel time i might try the thicker center fluid as i have seen a lot of people recommending that weight. Either way, for its first time out i am super impressed with the car!
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Old 09-04-2016, 03:49 PM   #11315
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I ran 60K today on loose dirt in the center diff. That is twice what I had before. I plan to try higher next time and see how it feels. I definitely trust the guys that are helping me learn, but also I'm having success experimenting on my own. Thanks for everyone's input
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Old 09-05-2016, 08:04 AM   #11316
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I'm getting ready to start my XB4 build and switching from kyosho, what other things besides the center diff will i want to get before i start and what motor/speedo combo suits this platform best? How is the carbon fiber chassis on med bite clay?
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Old 09-05-2016, 03:32 PM   #11317
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Options:

center diff
alu cvd cup things
12mm hex adapters (1 of each size available)
Sway bars (all of them stiffer than stock)
SMC 160a ESC
SMC 6.5 motor
18,19,20 pinion gears
Jconcepts 60mm wheels and tires
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Old 09-06-2016, 07:16 AM   #11318
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Originally Posted by BiLL77 View Post
I'm getting ready to start my XB4 build and switching from kyosho, what other things besides the center diff will i want to get before i start and what motor/speedo combo suits this platform best? How is the carbon fiber chassis on med bite clay?
here's what I run for option parts:

- hudy aluminum servo horn
- sway bars
- springs
- schelle machined shock pistons
- aluminum xray steering plate
- 12mm xray hex's (multiple widths)
- floating servo mount
- gear center diff
- aluminum xray rear hubs
- aluminum cvd cups
- front ECS driveshafts
- steel diff/satellite gears (front, center, and rear diff)
- hardened aluminum diff cross pins^
- 12* aluminum xray caster blocks (for high speed and/or carpet tracks)
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Old 09-06-2016, 03:34 PM   #11319
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Wow thats alot of parts.
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Old 09-06-2016, 06:04 PM   #11320
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Quote:
Originally Posted by BiLL77 View Post
I'm getting ready to start my XB4 build and switching from kyosho, what other things besides the center diff will i want to get before i start and what motor/speedo combo suits this platform best? How is the carbon fiber chassis on med bite clay?

Here is all the upgrades I have done to my xb4, I put a * next to must haves:
*Avid 2+2 Piston (4) (2x1.6mm/2x1.1mm) Part# AVD1033-1.6-1.1-F
*Avid 2+2 Piston (4) (2x1.5mm/2x1.1mm)Part# AVD1033-1.5-1.1-F
*XRAY 21mm Shock Ball Joint (2) Part# XRA328011
12mm Aluminum Front Wheel Hex (5.5mm Wide)Part# EXO1409BLK
**XRAY Complete Center Gear Differential Part# XRA364901
Spec R wing mount (more brace that catches the diff case so it dont break)
Aluminum 12mm Rear Hex (Black) (2) (9mm Wide) Part# EXO1408BLK
*XRAY Aluminum 4 Hole Steering Plate Part# XRA362573
XRAY Aluminum Rear Upright (Right) Part# XRA363351
XRAY Aluminum Rear Upright (Left) Part# XRA363352
XRAY 12 Aluminum Caster Block (Right) Part# XRA362234
XRAY 12 Aluminum Caster Block (left) Part# XRA362244
XRAY Independent Servo Mount Se Part# XRA366220
*Rear Chassis Brace (Medium) Part# XRA361295
*Front Chassis Brace (Medium) Part# XRA361294
*2.0mm Graphite Steering Brace Part# XRA362581
Mckune Design Wing Plate Part# MDR10027
*Chassis Side Guards (Medium)Part# XRA361265
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Old 09-06-2016, 06:07 PM   #11321
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The car is really good even without those parts
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Old 09-06-2016, 07:07 PM   #11322
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Pistons are a must. Huge difference. Then, the medium side guards and chassis braces for medium grip worked well. Those two were by far the most impactful and very inexpensive comparatively. 12 degree hubs were very nice to tame the steering but not an absolute. Haven't tried the gear diff yet but the above made the car much more manageable. So just haven't gotten around to putting it in, plus I'm running 13.5. I'm a sportsman level driver so I needed a lot of traction ad the above was a must.

I'm curious about the 21mm Rod ends. What say everyone here about those? Another inexpensive tuning option...
Quote:
Originally Posted by BiLL77 View Post
I'm getting ready to start my XB4 build and switching from kyosho, what other things besides the center diff will i want to get before i start and what motor/speedo combo suits this platform best? How is the carbon fiber chassis on med bite clay?

Last edited by JAE; 09-06-2016 at 07:17 PM.
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Old 09-06-2016, 07:45 PM   #11323
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Option parts I have on mine

None. I think this buggy is great out of the box, I bought used

Running centre diff, 6.5t turn. Jumping and landing is sweet. Gets on power quicker than my old buggy that ran a slipper.

Current setup on low medium clay

-7/5,100 in the diffs
-sweep square armour tyres
-32.5wt all around
-not sure on pistons
-19/81 gearing on medium bumpy track
-rear kit sway bar
-not sure if front is included, tried it, didn't like it. Felt like the front did all the steering

I plan to keep it option free since I don't race competitively. As long as everything holds up I expect it to be quite competitive for the next 3 years
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Old 09-06-2016, 08:05 PM   #11324
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Does anyone know if the front and rear arms of the 2016 are compatible with the 2015? What about the chassis and side guards? I'm thinking of converting my 2015 into a 2016 and have started doing so by removing the top deck and going with the lower chassis braces instead. Next would the the shock towers and hopefully the diff cases if the chassis is similar to each other aside from the black anodizing. Thank you in advance.
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Old 09-07-2016, 12:44 AM   #11325
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Quote:
Originally Posted by Poppin Fresh View Post
Does anyone know if the front and rear arms of the 2016 are compatible with the 2015? What about the chassis and side guards? I'm thinking of converting my 2015 into a 2016 and have started doing so by removing the top deck and going with the lower chassis braces instead. Next would the the shock towers and hopefully the diff cases if the chassis is similar to each other aside from the black anodizing. Thank you in advance.
'15 arms will fit on the '16 no problem.

But the '16 arms have different geometry for the shock mounting.
Shocks are mounted further outwards on the arms to match the new geometry of the shock towers. This aids in a smoother and more efficient suspension especially when running lower ride heights.
Front shocks are also mounted more to the front to gain overall steering.

The '15 side guards (which are a medium composite) will fit the '16 chassis (which uses hard composite as standard).

The chassis are not the same though as the entire slipper/center diff have been moved forward on the '16. So to use the '16 chassis you will need new center drive shafts and chassis braces.

Hope this helps

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