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Old 09-22-2014, 10:13 AM   #5596
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I was wondering about this, was afraid of diffing out. May have to pick up sone 3K today. With the local track as slippery as it is, dropping the rear may give me back the traction I had with my old car used in winter when conditions were better. I put the 6 degree caster blocks on, but have yet to run the car. Getting hammered with work in school.
Last week I ran 866cst (40wt losi) in my 2wd xray on med/high bite and it was AWESOME! In the past I was worried about diffing out so I never went lower than 1k but I should of done this long time ago. Of course when the traction comes up I move the CST up. Usually I run 3k with metal internal diff gears on high bite clay.

Just for fun I thought I would try the same in my 4wd. 3F/866R and it was GOOD! but it was too planted after the track was swept. by the end of the night I was back to 7f/3r (could of went to 10f/5r).

I have extra prefilled diffs so swapping is very easy an fast. my suggestion would try a lower cst and go from there. All depends on your driving style

PS~ Dont forget to reset your diffs
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Old 09-22-2014, 10:23 AM   #5597
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2013 XB4 worth $195?
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Old 09-22-2014, 10:44 AM   #5598
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2013 XB4 worth $195?
its a good price but might need some replacement parts as in the drive pins, outdrives, diff gears, bushings, orings, bearings, ect... it will add up

Im still using my 2013 and my son has the 2014 (how does that work? ). Cars are rock solid
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Old 09-22-2014, 06:00 PM   #5599
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Anyone having a problem with the ballcups staying on? In particular, I am talking about the steering link. In my case, I keep losing the right side one after crashes, rubbing a pipe the wrong way, and sometimes just after a hard landing. The whole thing just pops off and I have to hunt for it on the track.

I already replaced the ball studs AND ball cups - twice. Akerman positions, etc. are all stock and unchanged. The problem only really developed recently, within the past couple months. Of course, at first I blamed it on the car just being old (been running it for a year now) and needing the new parts. But the problem persists even after 2 ball cup and ball stud replacements.

Naturally, this is quite vexing to me and I'm losing my mind trying to figure out what the problem is. Any ideas?
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Old 09-22-2014, 06:11 PM   #5600
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what o-rings work best for the shocks? I have heard of kyosho ones being used. But, I cant find a part number.
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Old 09-22-2014, 09:22 PM   #5601
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What 12MM hexes are direct fit to run regular rims?? front and rear
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Old 09-22-2014, 10:36 PM   #5602
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Originally Posted by jmkalt View Post
Anyone having a problem with the ballcups staying on? In particular, I am talking about the steering link. In my case, I keep losing the right side one after crashes, rubbing a pipe the wrong way, and sometimes just after a hard landing. The whole thing just pops off and I have to hunt for it on the track.

I already replaced the ball studs AND ball cups - twice. Akerman positions, etc. are all stock and unchanged. The problem only really developed recently, within the past couple months. Of course, at first I blamed it on the car just being old (been running it for a year now) and needing the new parts. But the problem persists even after 2 ball cup and ball stud replacements.

Naturally, this is quite vexing to me and I'm losing my mind trying to figure out what the problem is. Any ideas?
Idk if it's solution, but you might want to try TLR Ball Cups & Studs. I've foundvthem to be the strongest and most precise of all and they hold up to impossible shunts!
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Old 09-23-2014, 01:07 AM   #5603
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What 12MM hexes are direct fit to run regular rims?? front and rear
I'm running the exotek 12mm hexes. Jconcepts also makes a set.
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Old 09-26-2014, 08:13 AM   #5604
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What's a good setup for indoor clay/topsoil mix with low/medium traction? Also, what pinion gear do you recommend for a 8.5t motor with a 81t spur gear. Thanks guys.
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Old 09-26-2014, 11:17 AM   #5605
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2013 XB4 worth $195?
I can only assume you mean a used 2013 XB4, so I'll agree with Joey above, it's probably fairly well used at that price.

Typical items will likely need replacing, the eccentric bushings for the suspension ($8), o-rings for the shocks and diffs ($15), but the real kicker are the diff outdrives - how badly worn are they? They're $35 per set. Replacement bevel & pinion are $20 - you may need two sets. Bearings from say Avid are $22 for a complete set. If you don't get a chance to see it in person, like anything else, it's a bit of a gamble. Budget to spend another $100.
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Old 09-27-2014, 04:54 PM   #5606
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Just picked xb4 4wd. It has kit setup. Any suggestions for medium outdoor low traction track? One triple but lots of 180's. Almost no traction. Still looking for right tire. Rear is loose. Front pushes. Im sure both will improve with better tire. This is my first 1/10 scale coming from 1/8 scale. So i have heavy throttle
Throttle finger. Lol. Any suggestion appreciated.
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Old 09-27-2014, 05:05 PM   #5607
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Just picked xb4 4wd. It has kit setup. Any suggestions for medium outdoor low traction track? One triple but lots of 180's. Almost no traction. Still looking for right tire. Rear is loose. Front pushes. Im sure both will improve with better tire. This is my first 1/10 scale coming from 1/8 scale. So i have heavy throttle
Throttle finger. Lol. Any suggestion appreciated.
Get with me at bush River raceway next time and I'll let you drive mine to see if you like it. But get avid 1.5x1.1 for the front and 1.6x1.1 pistons for the rear. Best investment you can make for the car.
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Old 09-28-2014, 07:29 PM   #5608
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Unfortunately i live 700 miles from brr. I was just in town working on my house. But thanks. What is difference between running shocks in front of tower vs.aft? My car in front a buddies is rear?
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Old 09-29-2014, 06:36 AM   #5609
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I'm Considering buying the XB4, what common problems need upgrading right away? I heard there was an issue with the shock towers, still so?
thanks
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Old 09-29-2014, 07:37 AM   #5610
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I'm Considering buying the XB4, what common problems need upgrading right away? I heard there was an issue with the shock towers, still so?
thanks
If you run the metal support plates (stock on the 14) they are extremely durable. I initially bought a ton of spares for mine and should have held off as I have only broken one A-arm from clipping a wall (my fault) and replaced the rear composite ring and pinion gears (set you slipper correctly). This vehicle is extremely durable and one of the best "wheelers" available, maybe you'll get lucky and they will release the 15 version before you buy....
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