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Mugen MBX7R

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Old 02-27-2017, 05:22 AM
  #3406  
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Originally Posted by rubiconon37's View Post
Please let me know how yours work out. I already have those shafts and the bearing equipped is 8x16. But there is at least a 1mm gap between the outer race of the bearing and the inner diameter of the 2105-b upright. On the inside that is. The 8x16 fits fine in the outside.
You're gonna need the mbx6 Universal Dog Bones Axle Shafts. I went through this over the weekend. I couldn't find info anywhere online. My buddy finally figured it out. If you look at Drakes buggy pics from DNC you can clearly see the older style axles. Looks like he's using them in the back also. Not sure why
http://www.neobuggy.net/2017/02/26/u...-adam-drake-6/
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Old 02-27-2017, 06:31 AM
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My buddy just installed the 2105-b on his 7R and had no problem. The 8x16 fit properly. I'm going to call mugen today.
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Old 02-27-2017, 06:34 AM
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This is a picture of my buddy's 7R with the 2105-b uprights installed with stock shafts and 8x16 bearing. No fitment issue.
Attached Thumbnails Mugen MBX7R-resized952017022595140615.jpg  
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Old 02-27-2017, 06:39 AM
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Not true. Look at the gap from the bearing case. You can fit a small flat blade screw driver in there. Believe me, I did the same thing. The bearing sits in a domed pocket where there's the void for oiling. It needs the OG setup.
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Old 02-27-2017, 07:07 AM
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If you look at the correct 2105-b uprights they are machined to fit the cvds with the larger bearing and then the uni shafts with the 8x16 bearing.
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Old 02-27-2017, 07:14 AM
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Originally Posted by hyperfuxx View Post
Not true. Look at the gap from the bearing case. You can fit a small flat blade screw driver in there. Believe me, I did the same thing. The bearing sits in a domed pocket where there's the void for oiling. It needs the OG setup.
that pic is my buggy and that bearing is in there snug. i had to push them in. i think the gap thats u see is a shadow from the flash.
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Old 02-27-2017, 07:19 AM
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First picture is of the correct 2105-b upright that accepts either shafts and bearings. Second is of the 2105 uprights the bottom is the one I received probably packaged incorrectly.
Attached Thumbnails Mugen MBX7R-muge2105-b.jpg   Mugen MBX7R-muge2105.jpg  
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Old 02-27-2017, 07:19 AM
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Just check your front tire for slop. I'm saying I went through this. The 7 uses nothing but the 8x16 unless you use these uprights. I though mine snapped in also but obviously I was wrong. I'm not blowing smoke.
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Old 02-27-2017, 07:45 AM
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Originally Posted by hyperfuxx View Post
Just check your front tire for slop. I'm saying I went through this. The 7 uses nothing but the 8x16 unless you use these uprights. I though mine snapped in also but obviously I was wrong. I'm not blowing smoke.
ok i'll recheck mine tonight.
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Old 02-27-2017, 08:15 AM
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all the club racers/amateurs are screaming for an mbx8 BUT:

maifield triples DNC, battlle wins MONTPELLIER.

so is the mbx7r outdated or not?
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Old 02-27-2017, 11:00 AM
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I just spoke to Tech support at mugen racing. The 2105-b uprights are made so you can run the stock shafts with the 8x16 bearing or the cvds with larger bearing. The don't require you to order cvds for them to work. That's directly from them. If you couldn't install the stock shafts and bearings it's because either you accidentally ordered 2105 which is the stock mbx7 cvd front uprights or that your 2105-B front uprights were packaged wrong.

Last edited by rubiconon37's; 02-27-2017 at 11:01 AM. Reason: Spelling
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Old 02-27-2017, 11:32 AM
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Ok I got you. I looked closer at your pics where the bearing is seated. I def ordered the 2105-b. I just checked my order. I installed them on both vehicles and I only ran the ebuggy this weekend. They where clearly labeled wrong if this is the case. I'll be checking the nitro when I get home. Thanks for the leg work. I hope this package mislabeling isn't a widespread issue.
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Old 02-27-2017, 11:39 AM
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Tech support said it's very possible they were packaged incorrectly. I ordered 2 sets and they were both wrong so it's possible it's plenty of them that are wrong.
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Old 02-27-2017, 11:52 AM
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Originally Posted by gt racing View Post
all the club racers/amateurs are screaming for an mbx8 BUT:

maifield triples DNC, battlle wins MONTPELLIER.

so is the mbx7r outdated or not?
Nope not by a long shot. No one here is asking for an update!

But Maifield and Drake had great showings!
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Old 02-27-2017, 02:21 PM
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Originally Posted by gt racing View Post
all the club racers/amateurs are screaming for an mbx8 BUT:

maifield triples DNC, battlle wins MONTPELLIER.

so is the mbx7r outdated or not?
of course not! a good design is a good design regardless of time.

racers are often their own worst enemy in always wanting something new. there are certain brands that understand the average racers desire for "new" and gladly oblige by releasing a sub par product more frequently, and there are the brands that build and develop a sound product over time, i know which one i prefer..
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