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Thread: GRC Latest direct swap TRX-4 axle set

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Old 04-10-2019, 05:45 PM   #21
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Default Re: GRC Latest direct swap TRX-4 axle set

Interestingly, Did they seal the front axles or there are also holes in which water passes freely. In my opinion, this is the main problem of the front axles.
It is better to put the bearings on the input to eliminate the leak and not to increase the ground clearance of 1-3mm.
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Old 04-12-2019, 09:56 AM   #22
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Default Re: GRC Latest direct swap TRX-4 axle set

I just ordered a set. So I guess weíll see if their any good. Iím a bit excited. Hope I donít regret it. Lol. I also ordered a set of tflís f9ís for a custom build. Super excited for those too.


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Old 04-12-2019, 09:57 AM   #23
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Default Re: GRC Latest direct swap TRX-4 axle set

Nice. From where? Cost?
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Old 04-12-2019, 09:58 AM   #24
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Default Re: GRC Latest direct swap TRX-4 axle set

I actually stumbled across them on eBay. $316 with shipping.


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Old 04-12-2019, 10:01 AM   #25
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Default Re: GRC Latest direct swap TRX-4 axle set

Beef tubes also came out with some beef sticks that I went ahead and ordered too. Iím out of town working and I have nothing else to do. Pretty sad.


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Old 04-12-2019, 10:46 AM   #26
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Default Re: GRC Latest direct swap TRX-4 axle set

Nice purchases. Looking forward to hearing about both. Axles are complete yeah?
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Old 04-12-2019, 10:49 AM   #27
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Default Re: GRC Latest direct swap TRX-4 axle set

No axles. Complete housings. Lol. Just using everything out of mine.


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Old 04-12-2019, 12:11 PM   #28
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Default Re: GRC Latest direct swap TRX-4 axle set

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Originally Posted by Bex_RDK View Post
Iím out of town working and I have nothing else to do.
You had better keep working to pay for these orders.
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Old 04-12-2019, 12:12 PM   #29
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Default Re: GRC Latest direct swap TRX-4 axle set

Lmao. Right!!!


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Old 04-12-2019, 06:02 PM   #30
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Default Re: GRC Latest direct swap TRX-4 axle set

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Originally Posted by qs110 View Post
Interestingly, Did they seal the front axles or there are also holes in which water passes freely. In my opinion, this is the main problem of the front axles.
It is better to put the bearings on the input to eliminate the leak and not to increase the ground clearance of 1-3mm.
That's done for durability imo, the shafts dont' need bearings at the outer point of the housing and they can get in the way when everything flexes during a hard tumble and/or knuckle bushings get worn. Easily sealed up with small pieces of closed cell foam cut and E6000 dab to hold them in.
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Old 04-17-2019, 06:05 PM   #31
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Default Re: GRC Latest direct swap TRX-4 axle set

I really like the relocated pan hard bar mount which allows for a longer bar reducing the arc movement. The only downside is that you must build a longer panhard bar. It will also reguire a longer drag link if you run in the ackerman setting.

Last edited by Inspector86; 04-23-2019 at 05:10 PM.
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Old 04-19-2019, 08:08 AM   #32
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Default Re: GRC Latest direct swap TRX-4 axle set

does anyone have a link to the axle???
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Old 04-21-2019, 06:18 AM   #33
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Default Re: GRC Latest direct swap TRX-4 axle set

I'll def buy a set of these for the next TRX-4.
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Old 04-21-2019, 04:59 PM   #34
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Default Re: GRC Latest direct swap TRX-4 axle set

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Originally Posted by Klaus_S View Post
does anyone have a link to the axle???
Here is the link, but I am very sorry Chinese only


https://item.taobao.com/item.htm?id=591358111567
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Old 04-21-2019, 06:31 PM   #35
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Default Re: GRC Latest direct swap TRX-4 axle set

https://rover.ebay.com/rover/0/0/0?m...2F264280004028

Hereís where I found them. Should be here this week. Iíll post pics.


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Old 04-23-2019, 09:46 AM   #36
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Default Re: GRC Latest direct swap TRX-4 axle set

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I really like the relocated pan hard bar mount which allows for a longer bar.
Great in theory. From what I can tell they did not make any adjustments to keep the drag link and panhard the same length so you will end up with a stock (shorter) drag link resulting in less than ideal steering geometry.

Only solutions would be to move the servo, difficult because the required length would probably put it outside the frame rail. Or knuckles with the mounting location further out which kills ackerman and tire/wheel clearance. So you are stuck trying to mount the servo on the axle or just living with poor geometry.

I cant justify spending the money to make the suspension geometry worse...
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Old 04-23-2019, 12:15 PM   #37
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Default Re: GRC Latest direct swap TRX-4 axle set

What do you mean, Brandon? Wouldn't I be able to mount the servo in its stock mounting place?
And would the Sport perform worse with this housing?
I'm about to place the order and the only reason I havent put it in yet is that I'm thinking of maybe going for silver this time.. And now I read this..
I don't know sh*t about steering geometry, so I would love if someone could clearify this for me..
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Old 04-23-2019, 01:37 PM   #38
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Default Re: GRC Latest direct swap TRX-4 axle set

both drag link and panhard should ideally be same length and same relative angle mounted between frame and axle
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Old 04-23-2019, 01:41 PM   #39
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Default Re: GRC Latest direct swap TRX-4 axle set

I already have the servo relocation mount which makes the link a little longer too. The bump steer your gonna get is for high speed vehicles. Youíll never even notice on a slow crawler. Especially an rc crawler. Lol.


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Old 04-23-2019, 01:44 PM   #40
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Default Re: GRC Latest direct swap TRX-4 axle set

Itís not an upgrade for everyone thatís for sure. It is for me. Vanquish isnít cheap and my yeti is built with nothing but. I would consider grc the vanquish for trx at the moment anyways.


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