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Old 02-28-2014, 03:16 AM   #4156
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I did this mod on my car. I have been ruuning it for about 6 months and love it. The roll center and CG change really tied the rear end down. I also added the +.75 rear hexes. This thing is an animal.
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Old 02-28-2014, 07:46 AM   #4157
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Default Ready to go!

Ready to go decided to do everything…... Spec-R (except axles)








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Old 02-28-2014, 10:39 AM   #4158
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@Yodah - what type of tires are those - specifically the fronts?

Nice S-Works Wing with Serpent wing buttons - I was planning to do the same!

Looking good! Is it summer yet?

D.
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Old 02-28-2014, 11:15 AM   #4159
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@Yodah - what type of tires are those - specifically the fronts?

Nice S-Works Wing with Serpent wing buttons - I was planning to do the same!

Looking good! Is it summer yet?

D.
Thanks….
The tires are sweeps racing tendroids both front and rear clay.
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Old 02-28-2014, 12:59 PM   #4160
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Anyone use Avid shock springs on their XB4?
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Old 02-28-2014, 04:19 PM   #4161
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Anyone use Avid shock springs on their XB4?
A buddy at my truck runs the yellow rear avids on his xb4 and they work pretty good.
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Old 02-28-2014, 05:31 PM   #4162
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Does AE 35 fr/AE 30 rr sound right using the Avid 2+2 1.5 fr/2+2 1.6 rr on high bite clay?
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Old 02-28-2014, 05:38 PM   #4163
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Does AE 35 fr/AE 30 rr sound right using the Avid 2+2 1.5 fr/2+2 1.6 rr on high bite clay?
Yes it sounds about right. I have been running 37.5 front and 30 in the rear with good success. This is with AE oil.
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Old 02-28-2014, 05:41 PM   #4164
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Elex :
That's precisely what David recommends on his web site and also noted on AMain's page for these pistons. I am running that now...I might actually try a little heavier though.
Also, it's 1.6 FF and 1.5 RR....at least that's what the web page shows.
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Old 02-28-2014, 06:01 PM   #4165
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Not exactly, taken directly from A Main's website:

"Piston Tips:

•Use 1.5+1.1 piston in XB4 Front. Start with 35 wt Associated oil (425 cSt). For XRAY oils, use 450 cSt.
•Use 1.6+1.1 piston in XB4 Rear. Start with 30 wt Associated oil (350 cSt). For XRAY oils, use 350 cSt".


I'm going to run 37.5wt (F) & 30wt (R) to start on our high bite clay track this summer.
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Old 02-28-2014, 06:10 PM   #4166
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I just double checked and I have the 1.5's fr and 1.6 rr.
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Old 02-28-2014, 07:04 PM   #4167
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Uhhh....not sure what I read then O_o
Sorry bout that
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Old 03-01-2014, 11:09 PM   #4168
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Default Recommend me a good gearing setup

Ok,

Just got XB4 kit to build, so back into 1/10th scale after 10 years away.

Been running 1/8th XB9 (nitro) and just got MBX7 ECO.

Anyhow, the electrics are new RSX ESC and a Tekin 8.5T motor.

My main question is regarding the gearing, what pinion would you recommend for both 81T and 84T Spurs with 8.5T motor.
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Old 03-02-2014, 12:04 AM   #4169
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Quote:
Originally Posted by silkut View Post
Ok,

Just got XB4 kit to build, so back into 1/10th scale after 10 years away.

Been running 1/8th XB9 (nitro) and just got MBX7 ECO.

Anyhow, the electrics are new RSX ESC and a Tekin 8.5T motor.

My main question is regarding the gearing, what pinion would you recommend for both 81T and 84T Spurs with 8.5T motor.
Right now I'm running a 7.5T LRP X20 at 81/19. It depends on what size track you're going to run. I'd probably start off with a 20 tooth pinion.
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Old 03-02-2014, 01:47 AM   #4170
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Got my new to me 2013 wired up and ready for the first race.
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