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Old 08-07-2006, 01:45 AM   #1486
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Quote:
Originally Posted by quietstorm76
Is adjustable wheel base an option on the MRX4 and if so how do you do it?
Hello
Yes the MRX4 does have adjustable wheel base, there is a shim that you place on the front lower wishbones, it's a bit like a caster shim, so you can change wheel base very quickly. When you change this shim you need to alter the shims on the upper wishbone the same amount or your going to get a big change in caster settings.
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Old 08-07-2006, 01:50 AM   #1487
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Quote:
Originally Posted by mrgsr
hey guys im kind of still new to 1:8

what does the the adjusting screw at the back of the car thats in the middle of the rear body support do ?

when adjusting the screw the scew you can move the part up and down. i noticed it limits or adds chassis up travel..

is this clear at all? sorry for the bad explanation
Hi

All this part really does is keep the body mount central, some times in a big accident this pops out and the body sits all skewed.

As for adjusting it, make sure it doesn't limit the suspension travel, or you will have a car that has some problems with rear end traction. It's not something we adjust to change the car set-up.
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Old 08-07-2006, 01:55 AM   #1488
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thank you very much for your reply
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Old 08-07-2006, 04:46 AM   #1489
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Quote:
Originally Posted by ND
Hello
Yes the MRX4 does have adjustable wheel base, there is a shim that you place on the front lower wishbones, it's a bit like a caster shim, so you can change wheel base very quickly. When you change this shim you need to alter the shims on the upper wishbone the same amount or your going to get a big change in caster settings.

Ok so the thick upper arm spacer moves with the lower arm spacer. It not used as a caster adjustment. I understand now. Thanks
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Old 08-07-2006, 08:45 AM   #1490
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Quote:
Originally Posted by Corse-R
Doh!... during the dissasembly and checking my notes, found a thing very very embarrasing...

Been running all the day with only 6mm split when the car needs 7... this could be the main cause for the understeer...
That might be it......
See, it's so easy to overlook something......
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Old 08-10-2006, 07:41 PM   #1491
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the fuel tank on my mrx4 does not hold 125cc not even close I found this out at the GLC trying to make 5 mins
does the new mrx4r tank hold 125cc?

thx
Lou
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Old 08-10-2006, 08:51 PM   #1492
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Quote:
Originally Posted by look
the fuel tank on my mrx4 does not hold 125cc not even close I found this out at the GLC trying to make 5 mins
does the new mrx4r tank hold 125cc?

thx
Lou
Lou...

tanks are hit and miss on volume. we'll try to expand your tank with some compressed air on saturday.
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Old 08-13-2006, 07:16 PM   #1493
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Quote:
Originally Posted by shortfatguy
I made sure that the thrust bearing was lubed well. It only took about a tank and a half to fry it. The bell gap seems to be ok, anything else that could be the culpret?
I did change the spring from the silver one in the kit to the gold one so it would be a bit stiffer. So far I have fried two with the silver spring and one with the gold.
I have had similar issues with my thrust bearings.Remove the clutch bell, check both of the bearings surrounding the bell, make sure they are free and clean, make sure your spring nut is not too tight or too loose, check the washers surrounding the thrust bearing, one of them has a slightly larger hole, it must go closest to the motor side(on first) if your running the ninja motor, you should use the ultra hard spring, the kit comes with the super hard spring.
hope this helps.
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Old 08-14-2006, 07:15 AM   #1494
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does anyone know where i can find setup sheets from factory drivers for this car on various tracks?
thx
Lou
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Old 08-14-2006, 02:46 PM   #1495
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LOOK at www.mugenracing.com under Setups !!!

Easy as pie ...and chips




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Old 08-14-2006, 03:41 PM   #1496
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I tried that link and found no setups ??
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Old 08-14-2006, 06:14 PM   #1497
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http://www.mugenseiki.com/menueefi.htm

not much posted in the form of recent setups.......

You're better off PM'ing Ron C. here. He's really helpful
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Old 08-24-2006, 12:59 PM   #1498
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UPDATE!

Mugen MRX4R 1/8th On-Road screw kits are now in stock!



Mugen MRX4R 1/8th On-Road 232-piece high grade 12.9 alloy steel socket head screw kit. Kit includes all applicable cap, flat and button head screws, as well as nuts, washers, lock washers and set screws.

Kits will begin shipping today, August 24th, 2006.

Thanks and best regards,
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Old 08-24-2006, 05:18 PM   #1499
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Quote:
Originally Posted by mrgsr
hey guys im kind of still new to 1:8

what does the the adjusting screw at the back of the car thats in the middle of the rear body support do ?

when adjusting the screw the scew you can move the part up and down. i noticed it limits or adds chassis up travel..

is this clear at all? sorry for the bad explanation
The screw will also help to stablize or lossen up the rear end so be carefull if the screw is pushed up it will tighten up the rear end if its down it will loosen up the rear end. Try it; you will notice the difference.
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Old 08-25-2006, 07:21 AM   #1500
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You are using this screw to adjust downward/upward chassis travel? Should be set in the middle with the car resting as it would on the track. This ensures that droop/rebound and downstop are being controled by the 3x5 mm screws in the arms.
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