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Old 06-05-2008, 11:02 PM   #1
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Default Changing the oil in my diffs (MugenMBX5)

I just bought a used Mugen MBX5 buggy. Since I didn't build it, I don't know what oils he used in the shocks and diffs. I already changed the oil in the shocks but now I want to tackle the diffs.

What weight of oil should I use? 5000 on all three? Mix it up? 5000 front, 7000 center, 1000 rear? Will the difference be noticeable?

What I plan on using this car for is racing. I'm under no illusion that I will ever beat the best, I just want something my son and I can enjoy. Spending the extra money on the different oils isn't that big of an issue, but if the difference will go unnoticed to an amateur like myself I would rather keep the money in my back pocket.

Any advice?

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Old 06-05-2008, 11:11 PM   #2
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I have a CEN Matrix and I am currently running 5000 front / 5000 center / 2000 rear. I would also buy and keep 2000 and 3000 along with the 1000, 5000, and 7000 weights which you already mentioned. 5000 front / 7000 center / 1000 rear is a pretty good set-up. Drive it and see how it feels to you. If you don't like it then you can change and experiment with the other weights you have on hand to suit your driving style.
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Old 06-06-2008, 08:52 AM   #3
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On the Mugen run 5-7-2. It is by far the most commonly used diff oils in the MBX5/R. You can download a bunch of good setups off teh Mugen site and I think Carolinas RC has some setups on their site.

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Old 06-06-2008, 09:22 AM   #4
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i have a mbx5 and am running 5-7-2 and really like it
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Old 06-06-2008, 10:27 AM   #5
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I am racing the MBX5R and switch between 5-7-2 & 5-5-2 depending on the track. 5-7-2 is a good place to start, it's a good all around set up.

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