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Old 03-22-2007, 04:08 PM   #961
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For the shocks you can use the mtx-3 front shock spacers or ho181d, caster clip the rear upper hinge pin and use the plastic round washer thats for the front lower wheel base adjustment on the rear lower. I use a 5 dollar miter box/razor saw combo that the airplane guys use for cutting balsa.
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Old 03-22-2007, 05:19 PM   #962
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Default wheelbase mod

Can anyone post a pic of the "wheelbase mod". It sounds like you allow the rear upper and lower arms to be moved forward or back to set short or standard wheelbase accordingly across the length of the rear U/L pivot pins.
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Old 03-22-2007, 08:24 PM   #963
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Quote:
Originally Posted by DogboneS
Can anyone post a pic of the "wheelbase mod". It sounds like you allow the rear upper and lower arms to be moved forward or back to set short or standard wheelbase accordingly across the length of the rear U/L pivot pins.
Here ya go:

1. Remove 3mm of material from the front of rear upper & lower arms. Also remove a little so the spur gear does not rub on the right arm.
2. Install 3mm spacers behind (to the rear) all four arms. Check for binding issues (possibly not enough material was removed, or they were cut uneven, etc.)
3. Install 3mm spacers on upper body mount as pictured. Again, check for binding.

Done.

I use a belt sander for an even and smooth cut. Then I use 300 grit sandpaper to smooth them out more.
Attached Thumbnails
Mugen MRX-4R-mrx4r_cutarms.jpg   Mugen MRX-4R-mrx4r_lowerarm.jpg   Mugen MRX-4R-mrx4r_upperarm.jpg   Mugen MRX-4R-mrx4r_uppermount.jpg  
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Old 03-22-2007, 08:43 PM   #964
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Does anyone have a ling to a Mugen Spring Rate chart or one that they could PM to me.
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Old 03-23-2007, 09:35 AM   #965
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Quote:
Originally Posted by sohlman
Here ya go:

1. Remove 3mm of material from the front of rear upper & lower arms. Also remove a little so the spur gear does not rub on the right arm.
2. Install 3mm spacers behind (to the rear) all four arms. Check for binding issues (possibly not enough material was removed, or they were cut uneven, etc.)
3. Install 3mm spacers on upper body mount as pictured. Again, check for binding.

Done.

I use a belt sander for an even and smooth cut. Then I use 300 grit sandpaper to smooth them out more.
Steve, do you also shorten the front wheel base at the same time?
Thanks!
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Old 03-23-2007, 09:44 AM   #966
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Quote:
Originally Posted by GK
Steve, do you also shorten the front wheel base at the same time?
Thanks!
Yes. No mods for that. Just place the 3mm spacer in the front of the sway bar mounts on the lower hinge pin. Make sure you also put a 3mm spacer in front of the upper hinge pins and measure caster from there. In other words, 4mm of spacers will be 1deg of caster with the setup.
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Old 03-23-2007, 09:47 AM   #967
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Thanks!
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Old 03-23-2007, 11:58 AM   #968
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.

Last edited by DanielSon; 03-23-2007 at 12:10 PM.
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Old 03-23-2007, 12:24 PM   #969
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What do you think of 3racing MRX4 6mm main chassis ?

Too thick ? Too stiff ?
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Old 03-23-2007, 03:26 PM   #970
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Quote:
Originally Posted by asw7576
What do you think of 3racing MRX4 6mm main chassis ?

Too thick ? Too stiff ?
I tried the 3racing chassis last week, The car was very smooth but it did lack some steering at high speed and became a bit doughey.
I tried alot of things to get it dialed but still couldnt get it just right, in my opinion the 0474 mugen chassis is better.
Brendan
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Old 03-23-2007, 03:42 PM   #971
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Quote:
Originally Posted by DanielSon
.
Neimann ?? Where you been ?
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Old 03-24-2007, 03:09 PM   #972
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Quote:
Originally Posted by mtmmotorcycles
I tried the 3racing chassis last week, The car was very smooth but it did lack some steering at high speed and became a bit doughey.
I tried alot of things to get it dialed but still couldnt get it just right, in my opinion the 0474 mugen chassis is better.
Brendan
0474 = stock mrx4 chassis ?

I take your comments as too stiff for 3Racing's 6mm chassis.
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Old 03-26-2007, 01:53 PM   #973
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Hi there!

I would like to mount an extra fuel filter between the tank and the engine. Could anyone please post a pic of a set-up like this?
Got no clue where and how to fit the little filter...

Many thanks in advance!
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Old 03-26-2007, 02:09 PM   #974
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Quote:
Originally Posted by fulcrum2
Hi there!

I would like to mount an extra fuel filter between the tank and the engine. Could anyone please post a pic of a set-up like this?
Got no clue where and how to fit the little filter...

Many thanks in advance!
If you ask for the 'filter' that some we put phisically between the pipe and fuel tank is a pressure chamber. If you do not use it, you can manage to get an off-road fuel filter and getting a spare fitting to keep it on the same place (to get the pieces, you may need to get the pressure chamber), route the fuel line from tank to filter and to the carb nipple.
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Old 03-26-2007, 04:52 PM   #975
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Quote:
Originally Posted by fulcrum2
Hi there!

I would like to mount an extra fuel filter between the tank and the engine. Could anyone please post a pic of a set-up like this?
Got no clue where and how to fit the little filter...

Many thanks in advance!
I only use Mugen's Air filter MUG B0104 (between tank & engine)

and

Mugen's Pressure Chamber MUG B0116 (between tank & pipe)
this comes with a mounting set so you can mount as you please to make it all neat). I'm at work right now and don't have access to my pics. Do a search for pictures in this forum. The last time I did that I saw plenty of fuel filters and pressure chambers.

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