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RC10B4/T4 Forum

Old 05-15-2010, 03:32 PM
  #12586  
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Hey, I am setting up this RTR 2.4 Brushless T4 for this new kid that will be racing with us at the club here..

What weight oil should be put in these differentials? like 1k dif fluid... or like 70-90 wt shock oil?


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Old 05-15-2010, 04:21 PM
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Originally Posted by BSchorr View Post
Hey, I am setting up this RTR 2.4 Brushless T4 for this new kid that will be racing with us at the club here..

What weight oil should be put in these differentials? like 1k dif fluid... or like 70-90 wt shock oil?


none. put ae black greese in it.
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Old 05-15-2010, 04:26 PM
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Really!? Lube the gears, and then fill it up to the cross section... Or just lube the gears?
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Old 05-15-2010, 04:43 PM
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Originally Posted by BSchorr View Post
Really!? Lube the gears, and then fill it up to the cross section... Or just lube the gears?
#6588 black greese. It's what comes in the kit. I'm sure you could use whatever fits your fancy though. Not sure on how good of a seal it is though. Might leak.

I personally hated the gear diff in my T4 when I tried it. Not nearly as much traction and power to the ground as a ball diff. IMHO.
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Old 05-15-2010, 05:11 PM
  #12590  
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Default AE Is Killer Of All......

10,000 Wt ..
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Old 05-15-2010, 06:14 PM
  #12591  
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uh.... black grease to 10k is wayyyyyyy different
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Old 05-15-2010, 08:18 PM
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i'm sure they are not sealed units (correct me if i'm wrong). and if they are not there is not much sense in puttin silicone in them. just a mess waitin for ya when its rebuild time. grease.

R
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Old 05-15-2010, 11:30 PM
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Default carbon Shock Towers - brittle?

I just got a new b4.1, a few weeks ago. first thing to break was the rear shock tower.

I was wondering if I should by the plastic one if that would be a little more durable.
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Old 05-15-2010, 11:34 PM
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Originally Posted by dman7 View Post
I just got a new b4.1, a few weeks ago. first thing to break was the rear shock tower.

I was wondering if I should by the plastic one if that would be a little more durable.
The b4.1 should have come with a plastic tower. only the factory team version would have come with the carbon tower.
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Old 05-15-2010, 11:36 PM
  #12595  
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Originally Posted by BSchorr View Post
Really!? Lube the gears, and then fill it up to the cross section... Or just lube the gears?
When i ran one in my SC10 i filled the whole thing with the black grease. you could always try different weights of diff fluid though. There is a paper gasket seal on the diff.
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Old 05-15-2010, 11:54 PM
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Ill try 1k
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Old 05-16-2010, 03:10 AM
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Default carbon Shock Towers - brittle?

Originally Posted by Matt Trimmings View Post
The b4.1 should have come with a plastic tower. only the factory team version would have come with the carbon tower.
No actually the 4.1 comes with the carbon stuff, the associated advert says it comes with some of the team parts, and I think the carbon towers are one of those parts. It definitely has carbon towers.

We are going to be racing it, but only in the lowest class that we can, and we are learning to control it in the air, so it is going to see a bit of abuse through the learning process, Somewhere between bashing and A-main driving.


So Do you think the plastic would be a better choice for now?
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Old 05-16-2010, 07:04 AM
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idk if the 'new' tower is avail in carbon as a separate part yet. if you buy 1 its likely to be the old 1 (less lipo friendly on bottom and in need a 4th hole for indoor tracks).

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Old 05-16-2010, 07:59 AM
  #12599  
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Hey guys i picked up a b4 and have been liking it a lot. Just have one question for you guys with expirence with this car. I have been having issues with it pushing. Here is my setup, if anyone can give me some advice it would be greatly appreciated!! Thanks

Front
brown springs
30 wt
2 limiters
groovy jconcepts
inside on arms middle on tower
#2 pistons

Rear
batt back
green springs
25 oil
4th hole on tower
inside on arm
#2 pistons

thanks again!!
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Old 05-16-2010, 08:02 AM
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so... The general opinion is that yes plastic will take more abuse, but it will flex more than a carbon part... Thus most see plastic as worse for racing than the carbon parts which are more rigid a little lighter.... But also snap like toothpicks of you abuse them. This is why most racers won't run rpm arms ( for example) because they feel that they get their strenght through being flexible which is anti-productive to a stiff consistent race chassis.

I have no idea if you can or can't get a plastic tower for a b4.1 as I don't own one. I'm a truck guy personally
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