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Mugen MBX8

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Old 03-15-2019, 09:38 PM   -   Wikipost
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E2021 - MBX8 1/8 Nitro Buggy Kit

Chassis:
The MBX8 chassis features a new design that improves traction and stability in bumpy conditions and on the exit of corners. The steering post are also keyed into the MBX8 chassis for easier maintenance.

Differential & drive train:
High Traction Differentials are included in the MBX8. The Mugen Seiki HTD provides increased acceleration, longer runtime, and more consistent handling. The HTD's also increase stability, traction, and improve handling in bumpy conditions. The HTD has a new larger volume diff cup to increase consistency during long main events. This makes it easier to time rhythm sections, better in bumpy and low grip conditions, helps to increase traction, and increases fuel mileage.

The new gearbox makes allows you to remove and service the differentials without detaching the suspension arm mounts. Easy access to the front and rear differential.

New straight cut 13T bevel gear & 44T conical gear. The new straight cut bevel and conical gears increase acceleration, runtime, and efficiency. A free and efficient drive train will also increase speeds while cornering.

Light weight one-piece wing mount:
The new lightweight one-piece wing mount lower the center of gravity. The position of the wing and wing mount is optimized to improve the performance of vehicle. The height of the wing mount is adjustable. This allows you to control the down force on the rear of the vehicle by simply raising or lowering the mount on the shock tower.

Light weight high down-force wing:
The new IFMAR legal wing is lightweight and provides amazing down force and cornering. The underside of the wing uses a new design to reduced weight and creates additional down-force.

Suspension:
New suspension mounts. The FF/FR/RF/RR are new for the MBX8.
The front and rear lower arms use a new impact resistant material for increased durability. The new arms are box-shaped and include arm stiffeners to reduce flex and increase durability. Adjusting the hardness of the lower suspension arms is now possible. This allows you to fine tune the steering and traction from track to track. CFRP plates will be released as an option part.

Center differential mount & plate:
The center differential mounts use a stiffer material and has a new top plate to reduce chassis flex and increases clutch bell, spur gear, and clutch bearing life. The reduced chassis flex also provides more consistent handling in all conditions. The top plate design also makes it easier to adjust the brakes and easier maintenance.

Enclosed Battery box and updated carbon fiber radio plate:
The MBX8 still uses a flat 2S Lipo or Life battery, but the receiver battery is now enclosed in a molded battery box. The battery box allows for quick and easy access to the battery. The molded box also helps protect the battery from hard impacts. The battery box is mounted to an updated carbon fiber radio plate.

Other new parts and upgrades:
Body, Clamping Servo Saver Nut, F/R Shock Towers, Front bumper, Front center and rear center universal joint.

Mugen Seiki MBX8 Manual

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Old 10-18-2018, 07:56 AM
  #796  
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Originally Posted by tom1974 View Post
3x13.8 pins for wheels pins 3x12.8 for central

Thank you. Any harm in using the slightly longer pins? I'd think that would be more contact area - but maybe the wear on the outdrives would be more pronounced...
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Old 10-19-2018, 12:07 AM
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Originally Posted by littlebuddha View Post
Thank you. Any harm in using the slightly longer pins? I'd think that would be more contact area - but maybe the wear on the outdrives would be more pronounced...
The pins for the centre axles are shorter because they would interfere with the brake disks, just that.
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Old 10-19-2018, 01:55 AM
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Yes, it's correct
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Old 10-19-2018, 10:13 AM
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Originally Posted by littlebuddha View Post
Thank you. Any harm in using the slightly longer pins? I'd think that would be more contact area - but maybe the wear on the outdrives would be more pronounced...
If it is an ebuggy, then there is no harm in running 13.8 everywhere. With the nitro buggy, you need the 12.8 mm pins in the center to slide inside of the brake disks.
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Old 10-19-2018, 09:18 PM
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Default What mount are you using?

Originally Posted by 66sschevy View Post
Yes, I do run the Alum split supports on mine.
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Old 10-19-2018, 09:32 PM
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Default Just now getting the 8

I'm just getting the 8 I know I'm late too the show her running the 7r for years and been reading looks like I'm going to use dog bones, underdrive reem the arms and Clarence the center did cover in my build plans. Any other must build tips before I get building?
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Old 10-29-2018, 07:21 PM
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Originally Posted by fastchvy View Post

Thanks, big help.
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Old 10-30-2018, 03:16 AM
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Can anyone tell me if the mbx8 eco shocks are any different than the mbx8 nitro shocks? Thanks....
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Old 10-31-2018, 01:22 AM
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Originally Posted by mattythegreat View Post
Can anyone tell me if the mbx8 eco shocks are any different than the mbx8 nitro shocks? Thanks....
Both shocks have exactly the same reference.
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Old 10-31-2018, 08:09 AM
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Originally Posted by mattythegreat View Post
Can anyone tell me if the mbx8 eco shocks are any different than the mbx8 nitro shocks? Thanks....
I don't know if the pistons and springs are the same for both kits but the shock body, cap, shafts etc are all the same.
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Old 11-02-2018, 03:35 AM
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Originally Posted by MX304 View Post
I don't know if the pistons and springs are the same for both kits but the shock body, cap, shafts etc are all the same.
Pistons are the same as well, but springs are different. In Eco are front 70/9.0T and rear 86/10.5T, and in nitro 70/9.25T + 86/10.75T.
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Old 11-12-2018, 04:42 AM
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Have setup sheets started to show up yet anywhere, if so, where?
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Old 11-12-2018, 04:58 AM
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Originally Posted by Rckstar759 View Post
Have setup sheets started to show up yet anywhere, if so, where?
Search Mugen Website:

Setup Sheets

Also Post # 787 above has the link too!!

Last edited by 1/8 IC Fan; 11-12-2018 at 05:23 AM.
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Old 11-13-2018, 04:55 PM
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ok awesome thanks
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Old 11-14-2018, 08:42 PM
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Hi everyone, what option parts is everyone using on the mbx8? so far all i have is the alloy servo saver and servo horns, various tuning things like bars and springs.
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