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Old 10-25-2010, 08:36 PM   #1
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Default Drilling holes in ballcups?

Anyone drilling little holes in the top of their ballcups so they dont have to pop them off everytime they want to take them off? Sounds way easier to drill holes so you can unscrew your ballstud without taking the cup off. What do you guys think?
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Old 10-25-2010, 08:43 PM   #2
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Yeah its nice because you don't deform the ball cups from popping on and off every time. Also a lot quicker.
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Old 10-25-2010, 08:47 PM   #3
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Helps them stay tight longer. Pretty easy to add washers under ball studs too. I use the RPM ones and drill them out.
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Old 10-25-2010, 09:06 PM   #4
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Originally Posted by mauromj View Post
Anyone drilling little holes in the top of their ballcups so they dont have to pop them off everytime they want to take them off? Sounds way easier to drill holes so you can unscrew your ballstud without taking the cup off. What do you guys think?
+1 on that!
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Old 10-25-2010, 10:27 PM   #5
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+2 on that.
I have done that to all my ball cups for the past 2 years and it works great. Another reason I drill them out is to drop a little oil into them to keep joints moving freely before every weekend outting.
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Old 10-26-2010, 06:53 AM   #6
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Team Magic and TQ Racing equips their kits with drilled out ball cups. Team Magic has been doing that for several years.
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Old 10-26-2010, 07:57 AM   #7
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What size bit do you use? Just big enough to get the wrench through. I guess you need ball studs with an Allen style head as well.
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Old 10-26-2010, 08:29 AM   #8
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What size bit do you use? Just big enough to get the wrench through. I guess you need ball studs with an Allen style head as well.
2.5mm
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Old 10-26-2010, 08:31 AM   #9
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the easiest way to do this is to not use a drill but use a body shell reamer.
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Old 10-26-2010, 08:51 AM   #10
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the easiest way to do this is to not use a drill but use a body shell reamer.
or use the losi parts? 6017, but i think you need to use a losi ballstud.
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Old 10-26-2010, 10:28 AM   #11
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forget about using the reamer or a drill bit..

I used to use a drill bit, taking my time with poor results... it always heated up the plastic ballcup causing the ball studs to bind up. i was never able to really able to clean the inside of the cup.

i quit drilling and reaming since then.

i found out using a new blade on an exacto knife was way easier and smoother.. just stand the ballcup up with the ball part on the table/towel and just slice downwards.. clean fast ....no binding. dont have to clean any flashing either.

i take a little at a time off and recheck to see if my 2mm wrench will fit.. if not, just keep slicing a little off until it does. simple and done!!

i suggest practing on old ballcups first... im pretty sure you will find out how easy it is..

have fun!!
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Old 10-26-2010, 11:32 AM   #12
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Quote:
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the easiest way to do this is to not use a drill but use a body shell reamer.
Yep

A good sharp one too. I go at it from both sides. Start by lining up the top dead centre from inside the ball cup and ream a bit until the tip is sticking out then ream from the outside in so it's just big enough for my driver tip to get through. Don't go wild with the reamer. It makes too much of a cone shaped hole if you ream from one side only with a thick cup like an RPM one.
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Old 11-01-2010, 07:47 AM   #13
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I am building my First TC for the VTA class and Tried the Exacto knife method and it's really nice and clean. It is sooo easy now to change shims for Rool Center and upper arm lengths
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Old 11-01-2010, 08:41 AM   #14
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Can anyone post a pic of this?? Ive read this at least 5 times, and still can't "see the picture."
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Old 11-01-2010, 08:54 AM   #15
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Behold, my awesome paint skills!
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