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TLR 8ight 4.0

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Old 11-03-2018, 11:19 AM
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Thanks for the reply guys...
I'll replace the cups and drive pins.
Going thru my 3.0, there are a lot of worn out drive parts. But what I find a little disconcerting, is how the parts are wearing...
For example, the axle drive cups show wear on the shaft that rides INSIDE the hub carriers, as if the cup shaft was spinning inside the inner bearing race. Same goes with the outdrives on the diffs. Same goes with the front A-arm pivot bushings. They've worn out the arms instead of the shaft wearing out the bushing! Thankfully the arms are cheap...

Another good example, which brings me to my next question...the shock caps. They have bushings in them, BUT my cap mounting holes are all elongated from the bushing play. I have to replace the expensive cups instead of the cheap bushings!

So question, I assume it's okay to go with the 4.0 bleeder caps as long as I get the 4.0 bushings as well, seeing as I have to replace the caps anyway...?

As far as rebuilding these worn parts, I'm gonna use tiny amounts of Loctite or maybe a touch of silicone where the bushings mount on the O.D. to ensure the moving parts work as designed.
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Old 11-03-2018, 03:00 PM
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Sorry...checked the OP and saw that I also need the standoffs....
All good
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Old 11-05-2018, 08:34 AM
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So cross referencing the parts that I need with the 4.0 parts, I managed to upgrade to the 4.0 front spindles and carriers, rear carriers and CV axles F/R, the bleeder shock caps (and mounting hardware) and of course, drive boots.
It cost me less than $30 more than if I were to stick with the 3.0 parts. Well worth it...
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Old 11-17-2018, 07:12 AM
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Assembling front knuckle... I think this is how the instructions recommend the spindle height shims?
Is this hiw the team guys are setup?
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Old 11-17-2018, 09:49 AM
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Not a team guy but we always have run them the spindles high or opposite of what you have them. It seems to give more steering in the high position. The high location was very Similar to when we use to run truggy spindle carriers on the 3.0. I believed that's what the 4.0 is based off of just with up or down adjustment.
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Old 11-17-2018, 03:53 PM
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Originally Posted by maddog9 View Post
Not a team guy but we always have run them the spindles high or opposite of what you have them. It seems to give more steering in the high position. The high location was very Similar to when we use to run truggy spindle carriers on the 3.0. I believed that's what the 4.0 is based off of just with up or down adjustment.
Thanks for the reply... I'll make the change
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Old 11-29-2018, 06:06 PM
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Just rebuilt the front diff... And I'm wondering why the flange bearings are so sloppy....
It's as if they aren't captured in the diff housing tightly.
If I put them in one of the housing halfs, it looks right, snug.
But when the two halfs are bolted together, the bearing ID isn't being held.
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Old 02-10-2019, 11:40 PM
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Hey guy whatís a pretty upper quality of bearings I could get for my 4.0? Iíve tried the standard bearing kit but want to try something new. Iím looking for a mid upper quality to upper quality bearing, not afraid to look at individual bearings and even really high quality bearings for certain areas of the kit. I would really like to have a great set up threw out my buggy!
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Old 02-11-2019, 05:23 AM
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Originally Posted by Matt Piva View Post
Hey guy whatís a pretty upper quality of bearings I could get for my 4.0? Iíve tried the standard bearing kit but want to try something new. Iím looking for a mid upper quality to upper quality bearing, not afraid to look at individual bearings and even really high quality bearings for certain areas of the kit. I would really like to have a great set up threw out my buggy!
We use Avid bearings just regular 1 dollar a piece bearings.

For the clutch use TKO bearings they are about 3-3.20 a piece and well worth it!
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Old 02-11-2019, 09:29 AM
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Originally Posted by maddog9 View Post
We use Avid bearings just regular 1 dollar a piece bearings.

For the clutch use TKO bearings they are about 3-3.20 a piece and well worth it!
Ive seen those before, great value for a decent bearing im sure but compared to the standard bearing they are half the price and Iím looking for something that will be better then the stock bearing. I clean and lube my bearings a lot so the seals need to last. I havnt had bad luck with the stock bearings but they donít seem to keep the dirt out that good, awhile ago I tried a set of tko for the entire car and those seemed to be a little worse. Iím just wondering if certain bearings can keep the drivetrain a little bit more free of dirt.
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Old 02-11-2019, 01:03 PM
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Originally Posted by Matt Piva View Post


Ive seen those before, great value for a decent bearing im sure but compared to the standard bearing they are half the price and Iím looking for something that will be better then the stock bearing. I clean and lube my bearings a lot so the seals need to last. I havnt had bad luck with the stock bearings but they donít seem to keep the dirt out that good, awhile ago I tried a set of tko for the entire car and those seemed to be a little worse. Iím just wondering if certain bearings can keep the drivetrain a little bit more free of dirt.
Ya we don't oil any bearings. Once they get gritty we just toss them out. TKO just uses on the clutch bell bearings, i believe it blue seal to blue seal.
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Old 02-12-2019, 01:48 AM
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Originally Posted by maddog9 View Post
Ya we don't oil any bearings. Once they get gritty we just toss them out. TKO just uses on the clutch bell bearings, i believe it blue seal to blue seal.
Iím pretty sensitive to my bearings not being cleaned out. A new untouched bearing in my buggy would throw the car outta whack where I could notice it. I run a set of bearings awhile so Iím ready for a step up so they last longer being messed with so much
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Old 02-12-2019, 08:39 PM
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Originally Posted by Matt Piva View Post

Iím pretty sensitive to my bearings not being cleaned out. A new untouched bearing in my buggy would throw the car outta whack where I could notice it. I run a set of bearings awhile so Iím ready for a step up so they last longer being messed with so much
you must be professional driver knowing brand new bearing not perfect. I donít have time to clean every bearing and oil.
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Old 02-12-2019, 09:16 PM
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Most of the expert/pro drivers at my track are using J&T bearings they are really good bearing clutch and car. They have a online store and stock other cool parts.
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Old 02-12-2019, 11:24 PM
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Originally Posted by pat dillon View Post

you must be professional driver knowing brand new bearing not perfect. I donít have time to clean every bearing and oil.
Some call it being on top of your stuff, I call it a crazy obsession. I have 6 years with one of my old 3.0 Buggyís I still love driving, a lot! I decided to really commit to cleaning all bearings out (taking seals off contact brake cleaner rinse) every 1-2 days of driving it in the last year, (insanity I know!!) they have lasted awhile but I run them with just the residue of wd white lithium and really as free as possible, certain bearings Iíve ran without a shield on one side (like in wheel bearings and the pinion lol) because they are not actually keeping dirt out.. . Kinda sketchy if u donít clean them a lot tho! fresh losi bearing takes a minute to break in but not long if all are the same and greased, u wonít notice it.

My 4.0 is all greased up still after like 6 times at the track, I plan on cleaning them all out fully tho, I like the feel. You canít mix greased and ungreased bearing when one fails or needs a change, especially on the wheel bearings!! It just throws it off.

This is why Iím looking to upgrade to some alternative bearing to clean out and test to see how they perform. Im not worried about them failing, I cleaned a stock set a lot in the 3.0 and watched them last a ridiculous amount of time with only a few I needed to change!

I tried this with tko, it was my first set I took apart a long time ago. Didnít work out but I notice they have a lot more balls then stock. Pretty cool the stuff u see in bearings!! Then the seals, makes u wanna go buy the most expensive boca kit they sell for the 8!! But I know thereís probably a cheaper version you can get that doesnít have the big name but maybe still close in performance and quality!


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