[PorschePh1le]

I recently bought some used GT3 LCA's from a Rennlister with RSS solid thrust pucks and OEM Porsche cup car monoball ends. I noticed one of the monoball ends is much harder to rotate than the other (2-3x). Neither has any play. I believe they are teflon, and should not be lubed, but does anyone know for sure? I assume you replace the bearings when they have play, but is being tough to move a problem? I can move both with my hands, but one is easy-ish and one takes force.

 

[westwest888]

I had them in my Audi for 36 months, 25 track days, and 23,000 miles before replacing.


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[PorschePh1le]

I had them in my Audi for 36 months, 25 track days, and 23,000 miles before replacing.


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Thanks, that's a lot of use. How could you tell they needed to be replaced? I think I'm being overly paranoid/perfectionist here, since there is no play and it is just an issue of how much force it takes to move. I imagine the car under load will have no issue moving it about!

 

[Croc'ed]

I'd be more concerned about the one that's easy to move by hand than by the one that's a bit stubborn.

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[PorschePh1le]

I'd be more concerned about the one that's easy to move by hand than by the one that's a bit stubborn.

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Fair point! I probably shouldn't have called it "easy" to move by hand, just easier. It takes a decent bit of force still (requires leverage on end of bolt using whole hand, not movable with just hand on the bearing with no leverage). I've never ran monoballs before so I didn't know how much effort it should take to rotate.

 

[westwest888]

Thanks, that's a lot of use. How could you tell they needed to be replaced? I think I'm being overly paranoid/perfectionist here, since there is no play and it is just an issue of how much force it takes to move. I imagine the car under load will have no issue moving it about!

I just picked a service interval and told them if it was even close, replace all of them. One of four was scored pretty badly. I use it as a fidget spinner at my desk.


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