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Old 12-28-2016, 06:41 AM   #11896
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Hi all

I might be getting an xb4 15 and was wondering if the parts from the new models will fit, or if there Is a link to somewhere that shows compatable parts.

Thanks
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Old 12-28-2016, 06:57 AM   #11897
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Hi all

I might be getting an xb4 15 and was wondering if the parts from the new models will fit, or if there Is a link to somewhere that shows compatable parts.

Thanks
Hey Mike - They pretty much all fit. of note though, is that the '16 front arms and shock tower are little bit different geometry with the front arms sitting further foward. Also, in the '15 (which isn't really a bad thing) is the motor is in the 10mm back position, whereas that is adjustable on the 16.

So really to update it to 16/17 specs the biggest things you would need is Front arms, chassis, and center drive shafts. That puts in you ball park at least. There are a couple other things but nothing huge enough for you to see a major difference.
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Old 12-28-2016, 07:35 AM   #11898
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Hi all

I might be getting an xb4 15 and was wondering if the parts from the new models will fit, or if there Is a link to somewhere that shows compatable parts.

Thanks

I would recommend getting the 16 XB4, since it had the biggest change in parts and options. IMO... In the end it would be cheaper or more cost effective to buy a used 2016 XB4

I've seen some good prices on XB4 16s forsale on here (rctech forsale page)
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Old 12-28-2016, 07:44 AM   #11899
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Does anyone know when amain will be receiving these in stock ?
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Old 12-28-2016, 07:58 AM   #11900
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Amain told me early February, this was the week before christmas.
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Old 12-28-2016, 06:21 PM   #11901
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Thank you for finding out I've never owned a X-ray vehicle so I'm excited to get it built and race it
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Old 12-28-2016, 07:08 PM   #11902
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early Feb.
I sold my 16 thinking early jan.
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Old 12-28-2016, 07:13 PM   #11903
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ive noticed a number of setup such as Bruno's Warsaw setup where the front pills are facing down lowering front roll center but camber link is down on the tower raising it. Why two opposite adjustments at the same point? See some vice versa also. Seems like the two in theory would cancel eachother out? Trying to figure this out before putting in a setup before putting the buggy on the rack
They don't cancel each other out. It's more fine tuning. Chassis roll is great, adds grip. But too much roll can overload the car causing it to possibly become unstable. Roll adds traction to a point. Stability can also add traction and control.
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Old 12-29-2016, 05:50 AM   #11904
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Running a 5.5 motor. What pinion should I be using. Same question 6.5 ???
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Old 12-29-2016, 06:41 AM   #11905
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With my 6.5 motor I was running a 20T pinion on medium sized high bite clay and was only temping out at 125*. So then I went up to a 21T pinion and car feels amazing and only temping out at 140-145*

I'm using a HW 6.5 motor and HW 120A V2.1 ESC

I have a 5.5 as well and I think I might start out at 20T and see how it temps after 5mins.
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Old 12-29-2016, 08:33 AM   #11906
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large outdoor tracks i run 21t with tekin 5.5
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Old 12-29-2016, 10:52 AM   #11907
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Just stuck my 10.5 D4 motor in my '16 last night. Is it normal that I can only fit a 26T pinion on it? I have the gear diff with the 81T spur but 26T pinion is biggest that will fit. The mesh is perfect with just turning the motor/mount a hair from the install position so I know a 28T won't fit. Maybe with a smaller spur, but it looks like the smallest spur they make for the gear diff is 78?
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Old 12-30-2016, 10:48 PM   #11908
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Starting gearing for a 13.5 for the XB4 '16 on a medium sized high bite turf track?
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Old 12-31-2016, 12:07 AM   #11909
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Anybody ever run an orca vx3? I just went through the program settings and there is nothing to set the voltage to the servo. So how do I know how many volts are going to the servo?
Also when I turn you can see the chasis twisting and also the front arms kinda being pulled in the direction the servo is turning. Do I need to adjust the end points or something on my radio? And would it be a good upgrade to get the floating servo mount so it isn't tweaking the chasis every time I turn?
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Old 12-31-2016, 06:27 AM   #11910
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6 volts are going to the servo and if the chassis is tweaking than yes you will need to adjust the end points. Floating mount is bling IMO.
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