Xray XB2 2WD Buggy Thread
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#4246
#4247
#4249
#4252
I just installed a slipper eliminator kit, this will be interesting. Xray pinion gears are priced out of this world, went with something half price, still high grade 7075-T6.
I have yet to get mine out in the track. I've gotta finish painting the body.
I have a rear sway bar I wanna install, but I'll run it first and see how it goes without.
I have yet to get mine out in the track. I've gotta finish painting the body.
I have a rear sway bar I wanna install, but I'll run it first and see how it goes without.
#4253
Tech Elite
iTrader: (27)
Alright, it has been a while since I ran this car, I could never really get it how I wanted truth be told. It was either fast but hard to drive or easy to drive but not on pace. Watching the new rb6.6 and b6 3 gear laydown cars I knew it was possible to get the XB2 hooked. After spending some time looking at the differences between the b6 and rb6.6s, I applied what they were doing to get their cars hooked up to my XB2.
I spent most of Friday and all of Saturday testing and can now say my car is excellent and am more than satisfied with my 3gear laydown XB2. I'll do an in depth write-up later. I'm heading to the track in a bit to optimize my setup but I am super excited with the performance thus far.
I spent most of Friday and all of Saturday testing and can now say my car is excellent and am more than satisfied with my 3gear laydown XB2. I'll do an in depth write-up later. I'm heading to the track in a bit to optimize my setup but I am super excited with the performance thus far.
#4258
Tech Elite
iTrader: (27)
I started to look at the b6, the new serpent, the rb6.6 laydown cars, ect ect. They seemed to have that 40/60 weight bias. All the cars were relatively the same in terms of motor placement. How did they get that weight bias? Well, there seemed to be 2 distinct ways, either the car had forward arm sweep giving a greater rear bias, i.e. the serpent or b6, or the a-arms and hubs could be shimmed forward more so than the forward swept arms i.e. the 22 3.0 and rb6.6, the rb6.6 could be shimmed 6mm front to back.
#4259
Tech Elite
iTrader: (27)
I was able to get my 40/60 weight bias without adding any more weight than the C and D block, some minor dremel work and the XB4 aluminum rear hubs and a 25g weight plate under the battery.
I dremeled 1mm off the front of the rear a-arms to shim them forward.
And then added the xb4 or XB2 hubs to gain an additionall 2mm.
The xb4 hubs move the driveshafts approx 2mm in torwards the diff and would bottom out at full compression so I had to widen the track width at the C and D block to offset the driveshat plunge.
FYI, it was confirmed that the XB2 aluminum hubs offer the same additional 2mm of shimming that the XB4 hubs have, I had the XB4 hubs on hand so I used them but will be getting the XB2 aluminum hubs...
I dremeled 1mm off the front of the rear a-arms to shim them forward.
And then added the xb4 or XB2 hubs to gain an additionall 2mm.
The xb4 hubs move the driveshafts approx 2mm in torwards the diff and would bottom out at full compression so I had to widen the track width at the C and D block to offset the driveshat plunge.
FYI, it was confirmed that the XB2 aluminum hubs offer the same additional 2mm of shimming that the XB4 hubs have, I had the XB4 hubs on hand so I used them but will be getting the XB2 aluminum hubs...
Last edited by symmetricon; 12-19-2016 at 08:52 PM.
#4260
Tech Elite
iTrader: (27)
I picked up a suspension setup off the Xray XB2 Fakebook page. The setup called for the front to have yok yatabe orange 1.6x2 500cst front upper position 2 lower 3, and the rear to have yok yatabe green 1.7x2 450cst. It was good and close to how I'd want it to be. Tons of steering and great rear grip, no traction rolling either.
From here I did a bunch of testing and fine tuning with the car to get it on point, the car is on pace and drives excellently now. I'm extremely satisfied with how it drives and cant wait to wheel it more will full confidence in the car. I'll post a full setup tomorrow...
From here I did a bunch of testing and fine tuning with the car to get it on point, the car is on pace and drives excellently now. I'm extremely satisfied with how it drives and cant wait to wheel it more will full confidence in the car. I'll post a full setup tomorrow...