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Old 08-23-2016, 10:37 AM   -   Wikipost
R/C Tech Forums Thread Wiki: Official TLR 22 3.0 Race Kit Thread!
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Cub86 posted the question: Hi. I'm struggling to understand the lay down situation. I run on high bite damp smooth clay and think the conversation would help on my surface but from what I'm reading I need to buy the lay down kit tlr338004. And the dirt gear case tlr332063. But do I really need both from what I've read the dirt case is 1-2mm higher anyway and u don't use the +3mm hubs or the front pivot hrc or Hrc mod. So is the dirt lay down kit tlr332063 is all that's needed to get me a lay down set up that's suited for clay With the components and car I already have. And if I only get the dirt case is there any problems that will need to be addressed IE.. bone plunge . I do know I'll need 1mm spacers on the waterfall to clear the battery. Thanks guys really trying to get my head around this.

Franks response:
Laydown Conversion will work great by itself. You run the aluminum +3mm hubs, the diff is +3.5mm, and you run the HRC front setup. Just follow a setup sheet from tlracing.com (Frank Root).

Dirt Tranny has the diff at the same height as the standard tranny case, and works with the standard plastic hubs. Both are +/- 0mm from stock. When you run this, no need to run the HRC front mod either.

I've found the stock laydown conversion parts to work great for most tracks. The dirt tranny is a great tuning option, but definitely not 'required'.

K.King
Something I made, pretty basic. Just to give people an idea.

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Old 02-16-2016, 04:24 PM   #2056
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Twenty Two Tuesday

Last edited by Matt M.; 03-11-2017 at 03:28 AM.
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Old 02-16-2016, 04:24 PM   #2057
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Haha it was'nt abrasive till Sunday, you were a beast too
Compared to most tracks, it was abrasive most of the time, but got a little nuts on Sunday...lol
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Old 02-16-2016, 04:41 PM   #2058
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Twenty Two Tuesday
Looks nice with the slicks!
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Old 02-16-2016, 05:02 PM   #2059
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Default Rear aluminum hubs

Are any guys running these.
A local fast guy told me that the alum hubs decrease traction mid corner.
I have not noticed them on any factory guys cars.
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Old 02-16-2016, 06:47 PM   #2060
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Are any guys running these.
A local fast guy told me that the alum hubs decrease traction mid corner.
I have not noticed them on any factory guys cars.
I'm running them but it would be interesting to see if I'm faster w/out them.
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Old 02-17-2016, 04:19 AM   #2061
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Cool Aluminum hubs

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Originally Posted by TonyWest View Post
Are any guys running these.
A local fast guy told me that the alum hubs decrease traction mid corner.
I have not noticed them on any factory guys cars.
Coming from the b5m i wouldnt use the aluminum hubs, without inserts to bear the the load im sure that they destroy rear hub bearings quickly.
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Old 02-17-2016, 08:23 AM   #2062
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Coming from the b5m i wouldnt use the aluminum hubs, without inserts to bear the the load im sure that they destroy rear hub bearings quickly.
They're meant to be used with the stock crush tubes, so that's no problem at all.
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Old 02-17-2016, 08:59 AM   #2063
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Originally Posted by TonyWest View Post
Are any guys running these.
A local fast guy told me that the alum hubs decrease traction mid corner.
I have not noticed them on any factory guys cars.
I don't think you'll notice a traction difference. Most guys don't run them for 3 reasons.

1. It is extra weight, and especially extra un-sprung weight.
2. The stock plastic hubs are very durable, so an aluminum version isn't required for most.
3. The molded hubs have all of the adjustability of the aluminum hubs.

If you are breaking some stock rear hubs, then aluminum hubs are a good solution.
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Old 02-17-2016, 10:33 AM   #2064
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I don't think you'll notice a traction difference. 1. It is extra weight, and especially extra un-sprung weight.
What's the weight difference?
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Old 02-17-2016, 10:54 AM   #2065
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Default aluminum hubs

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They're meant to be used with the stock crush tubes, so that's no problem at all.
I was'nt referring to crush tubes, outer race of the bearing is in contact with with the hub instead of a plastic sleeve, that shortens the life of the bearing, i've seen it
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Old 02-17-2016, 10:58 AM   #2066
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What's the weight difference?
Not sure, but I know alum is heavier than molded composite
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Old 02-17-2016, 12:36 PM   #2067
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I run them. There's no problem with the plastic hubs. I kept going back and fort from D to A and the hubs stripped out so I got the aluminum ones. I haven't felt a difference on the track. The crush tube is too long for the aluminum hub though.
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Old 02-17-2016, 12:41 PM   #2068
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I was'nt referring to crush tubes, outer race of the bearing is in contact with with the hub instead of a plastic sleeve, that shortens the life of the bearing, i've seen it
It doesn't. If bearings directly against aluminum accelerated wear then our motors would give us more trouble.

If the alloy bore becomes loose then the crush tube tolerance could become a problem (I am convinced this is why AE went to the larger outer hub bearing..) but if the fit is good and the bearing isn't allowed to become contaminated, it should last indefinitely.
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Old 02-17-2016, 04:35 PM   #2069
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Default Aluminum hubs

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It doesn't. If bearings directly against aluminum accelerated wear then our motors would give us more trouble.

If the alloy bore becomes loose then the crush tube tolerance could become a problem (I am convinced this is why AE went to the larger outer hub bearing..) but if the fit is good and the bearing isn't allowed to become contaminated, it should last indefinitely.
Motor bearings are not subject to the same loads as the axles inside the rear hubs, rough landings on one wheel angled. Our local pro DE runs the car right out of the box, so aluminum hubs are not neccesary
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Old 02-17-2016, 06:34 PM   #2070
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Alloy hubs are not a factor in bearing wear. Every part the hub interacts with is more flexible. Non-factor.
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