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Old 07-15-2009, 02:18 PM   #3151
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The way you were driving this weekend...I would not change a thing. Good racing bro.

I literally built everything K-car from the layshaft to the spurs...see pic. I did have to Dremel a longer flat spot on the layshaft in order to get the brake adapter set screw to tighten properly...and also to get so the gears align.

Downside: spare K-car parts are hard as hell to locate and they are more expensive then the Mugen parts.
I don't have any problems at all finding spare K-car parts
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Old 07-15-2009, 02:24 PM   #3152
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I don't have any problems at all finding spare K-car parts
I would hope not Scott. And thanks.
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Old 07-16-2009, 12:37 AM   #3153
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Those of you using the K-car transmission. Have you experienced a bent shaft? I have seen some mtx-4 bent shafts and other brands too.
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Old 07-20-2009, 10:38 AM   #3154
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Those of you using the K-car transmission. Have you experienced a bent shaft? I have seen some mtx-4 bent shafts and other brands too.
Never seen a bent layshaft. I've seen them snap or even twist, but never bend.
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Old 07-20-2009, 01:27 PM   #3155
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Can anyone help me locate and purchase a front diff for the MTX4 ?

Really needing....................!!

Jacko
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Old 07-20-2009, 01:39 PM   #3156
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http://www.amainhobbies.com/product_...al-Pulley-MTX4
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Old 07-20-2009, 01:44 PM   #3157
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Can anyone help me locate and purchase a front diff for the MTX4 ?

Really needing....................!!

Jacko
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They just relocated to a much bigger shop about two weeks ago.
Google Kamikaze Toys and Hobbies. They have their new phone number and address posted. Sam will hook you up
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Old 07-20-2009, 03:53 PM   #3158
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So are the diffs identicle front and rear ??
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Old 07-20-2009, 04:35 PM   #3159
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You will use a different housing for the front diff but the internal parts are the same. you will also need a heavy diff oil in the front. I use 100,000-front and 30,000-rear.
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Old 07-20-2009, 04:50 PM   #3160
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So are the diffs identicle front and rear ??
all similar excep cup joints , use some grease between the case and the cover so no diff oil
will leak

good luck
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Old 07-21-2009, 05:24 AM   #3161
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So are the diffs identicle front and rear ??
Here you can see the part numbers and all for the front diff. This was taken from the manual.

http://www.mugenseiki.co.jp/mugen/do...nual_t0060.pdf
Attached Thumbnails
Mugen MTX-4R-mugenfrontdiff.jpg   Mugen MTX-4R-mugenfrontdiff2.jpg  
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Old 07-21-2009, 11:26 PM   #3162
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Sohlman- Converted gearing over to K car. Wanted to know how you guys are setting up the Sirio Clutch. Spring, gap etc. I have tried this clutch in the past on my kyosho with little success. Gonna give it another try.

Thanks,

Brad
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Old 07-22-2009, 10:54 AM   #3163
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Sirio Power Clutch settings for OS Speed XZ:

Sirio blue clutch shoe
MSR spring tighten to 9.6mm from end of crank shaft
Thrust bearing washer plus one .1 shim under clutchbell
Make sure the clutchbell spins freely...add another shim if not.
I use hardly any gap, maybe .1mm...adjust to driving style
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Old 07-22-2009, 05:13 PM   #3164
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Here you can see the part numbers and all for the front diff. This was taken from the manual.

http://www.mugenseiki.co.jp/mugen/do...nual_t0060.pdf
Thanks for all the help here. I did see the parts numbers in the manual, but they don't show on the parts list was my main problem. Diffs are different bodies as they're different widths.

Solution came when I finally caught up with Sam at Kamikaze and he sorted me out in 2 minutes flat. Parts are winging to me right now.

Wonder what my next question will be !!

Jacko
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Old 07-26-2009, 07:39 AM   #3165
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hey guys,

had another great day in racing - finaly cracked into the 19's on my club home track and its only taken me 2 meets to get the good all mighty MTXR4 to the top end of the field....

Raced agaist the best drivers in the club meet today and got a podium finish in 3rd....

All i can say is Mugen i luv very much, easy to drive, has a very nice sweet spot and only running a OS TZ .12 P3 engine standard and got some nice punch down low and top!

Still pinch myself how easy the car is to drive.... even for a low medium grip track - i just cant imagine how good it might be on a prep'd high grip track!
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