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Old 05-23-2007, 01:29 PM   #1
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Default Manta Ray Ball Diff for Minis

Can someone please explain to me how to lock the diff using a Manta Ray Ball Diff for a Tamiya MO3 Mini.... I have heard of people using Shoe Ghoe..... Just curious how to lock it.....
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Old 05-23-2007, 01:56 PM   #2
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I wouldn't recommend usng the ball diff to make a spool. The stock gear diff is much tougher and can hold up better. And it's really easy to lock up with shims.
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Old 05-23-2007, 02:35 PM   #3
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Originally Posted by csalfly
Can someone please explain to me how to lock the diff using a Manta Ray Ball Diff for a Tamiya MO3 Mini.... I have heard of people using Shoe Ghoe..... Just curious how to lock it.....
When I locked the diff the car wouldn't handle worth a darn. Putting the Tamiya Anti Wear grease in it made it stiffer yet kept the car drivable.

YMMV
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Old 05-23-2007, 04:11 PM   #4
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I might add the only place I would use a spool is on carpet...asphalt, use the diff and build it per instructions.
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Old 05-23-2007, 04:27 PM   #5
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Quote:
Originally Posted by Advil
When I locked the diff the car wouldn't handle worth a darn. Putting the Tamiya Anti Wear grease in it made it stiffer yet kept the car drivable.

YMMV
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Old 05-23-2007, 04:32 PM   #6
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Like the others said don't lock a ball diff. If you want a spool do it on a gear diff. Ask in the mini cooper thread. You'll get more info there. Most just shim the gear diff tight to limit wheel spin.
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Old 05-23-2007, 05:36 PM   #7
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It's you're driving Mr. D
You know better! It's Mrs. D that drives the Mini!
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Old 05-23-2007, 06:38 PM   #8
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You know better! It's Mrs. D that drives the Mini!
Don't go blaming your better half.
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Old 10-02-2007, 12:00 AM   #9
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I disagree a little.

That is true shim the hell out of the gear diff but what you put in it is the secret.

The only way to go is with the TAO3 Ball diff but again there are secrets to that one too, Trust me I've been through 6 of them untill I found out the secret.

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Old 10-02-2007, 12:05 AM   #10
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Please share the secret with us !!!
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Old 10-02-2007, 12:44 AM   #11
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Please share the secret with us !!!
There are no secrets. Ball diff, gear diff, tight, loose , "spool", all have advantages and disadvantages. You just have to figure out what works best for you at your track. Now, tires and inserts and sivercan tuning, there's where the secrets are. Good luck on finding those.
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Old 10-02-2007, 06:34 AM   #12
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Agreed. I travel with four different diffs for my Mini.
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Old 10-02-2007, 07:53 AM   #13
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You can also use heavy duty wheel bearing grease from the auto parts store, just pack it in your stock diff and it will make a difference, I packed it in on my stock diff and what a difference it made. It minimized torque roll and it helped my handling alot. I've been doing this to my tamiya diffs, monster truck diffs, for just over 3 years now and it works great the only minor set back is the diff is a little more heavy because of the grease. It was a cheap fix since I had it laying around in the basement, I figured I try it and it works great. It doesn't hurt to try. Good Luck...
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Old 10-02-2007, 08:11 AM   #14
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Gear diff with tamiya antiwear... transfers power to the ground better... and faster the diff works, the more stiff it becomes... analogy, stirring a thick cake slowly, then stir faster,,, it becomes much harder to stir...

gear diff becomes like spool in corners during the lifting of inner tire... not sure if i make sense
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