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Mugen MBX6

Old 05-20-2009, 06:39 PM
  #3646  
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Default Mugen jx21 bo1 break in?

I have the ninja engine for my mugen but have not broken it in yet because in the instructions it says to break it in and then replace the wrist pins. Has anyone else seen this? Not to be dumb but whats the best way to break that engine in? Idle, heat gun or put it on the track and run it? Thanks
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Old 05-20-2009, 06:55 PM
  #3647  
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Originally Posted by samdbate
I have the ninja engine for my mugen but have not broken it in yet because in the instructions it says to break it in and then replace the wrist pins. Has anyone else seen this? Not to be dumb but whats the best way to break that engine in? Idle, heat gun or put it on the track and run it? Thanks
check out the break in bible thread. its not the pins you replace, its the clips, and i have 4 motors and never changed them.
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Old 05-20-2009, 06:58 PM
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theirs a jx 21 thread that should give you lots of info.
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Old 05-21-2009, 01:34 AM
  #3649  
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GRP buggy tuned .21 and JP4 pipe, super smoothe, great run time and enough bottom end torque to clear anything on the track.
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Old 05-21-2009, 08:36 AM
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Updated Mudguards in Carbon Fiber, Cover the Sway Bar Mounting Hole.
Carbon Fiber Stone Guards, No "Velcro" indent.
PM or Email if interested
Thanks, Rev


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Old 05-21-2009, 09:16 AM
  #3651  
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Originally Posted by rpm1968
Updated Mudguards in Carbon Fiber, Cover the Sway Bar Mounting Hole.
Carbon Fiber Stone Guards, No "Velcro" indent.
PM or Email if interested
Thanks, Rev




Nice lookin parts man.
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Old 05-21-2009, 09:19 AM
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Yes, nice looking parts, any idea of the weight difference between original and yours?
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Old 05-21-2009, 09:34 AM
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i posted some pics of the parts on the scales a while back, but I cant find them.
the parts are basically half the weight of stock plastic.
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Old 05-21-2009, 01:47 PM
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Originally Posted by rpm1968
i posted some pics of the parts on the scales a while back, but I cant find them.
the parts are basically half the weight of stock plastic.
is it possible to make a radiobox ? would be interested into getting one...

Thnks
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Old 05-21-2009, 05:03 PM
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I did radio box lids for the original radio box, but the "ears" were brittle and broke.
To many curves, walls and lips for the radio box to work.
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Old 05-21-2009, 06:05 PM
  #3656  
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I just started building my kit and might have run into a problem. Does everyone run the 4 little o-rings that go in the diffs behind the four bevel gears in the diff? My diffs feel awful rough. Any help or ideas would be appreciated. Thanks.
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Old 05-21-2009, 06:18 PM
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I've never heard of anybody using those O-rings...toss them out.
Originally Posted by Ty
I just started building my kit and might have run into a problem. Does everyone run the 4 little o-rings that go in the diffs behind the four bevel gears in the diff? My diffs feel awful rough. Any help or ideas would be appreciated. Thanks.
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Old 05-21-2009, 06:29 PM
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Originally Posted by Ty
I just started building my kit and might have run into a problem. Does everyone run the 4 little o-rings that go in the diffs behind the four bevel gears in the diff? My diffs feel awful rough. Any help or ideas would be appreciated. Thanks.
No one that I'm aware of uses those O-rings in the diffs; for reasons I can't explain, they never updated the manual.

Nevertheless, don't throw those O-rings out, they're awesome to secure fuel line on the nipples on the carb, pipe & tank.
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Old 05-21-2009, 07:15 PM
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You guys were absolutely right. Thanks for the info and the diffs are now buttery smooth.
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Old 05-21-2009, 10:22 PM
  #3660  
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+1 on the O-rings, i used them on my fuel line as well, works pretty nice!

I know peeps have been chasing diff setups on this particular kit. Chad Bradley basically explains what does what and how each diff effects each other in good detail, i personally thought it was really informative. I know i posted last months issue of RC CAR magazine, and it might seem redundant on posting about this months articles, but in the last 3 months, RC CAR magazine has touched up on what does what in depth with top level drivers. All such info should help for anybody who isnt sure on what does what on their kits.

They had Kris Moore, Mark Pavidas, Travis Amezcua, and now Chad Bradley...thats bad ass considering they are all very good drivers and have been in the hobby for some time. I do know in past issues they had Gil Losi Jr explaining how he rebuilds shocks...
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