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Old 11-30-2007, 09:29 PM   #886
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do anyone the top speed of the mtx4r?
If you want super top speed, go with OS 18 TZ, and use 1T bigger on pinion gears.
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Old 12-01-2007, 04:10 AM   #887
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Been running 50,000 only when we spray track and grip is really good,but if i was running this weekend prob start with 30,000.I only use 10,000 on smaller tight tracks with out a lot of traction.Have a great weekend!
50k? damn 17 lappa that's pretty friggin thick

I'm still running 10k but it's too light for moorebank, the 30k I was running in my r40 was better but I'm too lazy to change it plus I'm still racing on smaller tracks. I'm currently experimenting with softer shocks too, put 30wt oil in and might go to the purple springs tomorrow to test the water
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Old 12-01-2007, 07:23 AM   #888
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just need to clarify:

higher track traction, thicker diff oil; lower track traction, lighter diff oil.

small and tight tracks, lighter oil; big and flowing track, thicker oil.

so...what oil to use if track is low traction but big and flowing?

also; what's the effect to the car/handling if u used the wrong oil ratings?
(high traction using lighter oil or low traction using thicker oil)
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Old 12-01-2007, 10:13 AM   #889
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Does the front diff use the same diff cup joint as the rear diff? Troy
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Old 12-01-2007, 10:37 AM   #890
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Does the front diff use the same diff cup joint as the rear diff? Troy
Yes, If your talking about a gear diff for the front. The only one that is different is the one-way diff cup and multi diff cup
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Old 12-01-2007, 01:52 PM   #891
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hey guys i'm looking every where for a hudy set up station and hudy flywheel-clutch multi tool and they are out of stock any othe places you can refer me


blaze
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Old 12-01-2007, 02:57 PM   #892
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lil-bump Quote:
Originally Posted by insanewulf [View]




Does the front diff use the same diff cup joint as the rear diff? Troy



Yes, If your talking about a gear diff for the front. The only one that is different is the one-way diff cup and multi diff cup

Thanks for the help!!!
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Old 12-02-2007, 01:44 AM   #893
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Originally Posted by insanewulf View Post
Does the front diff use the same diff cup joint as the rear diff? Troy

the fron diff cup joints are longer than the rears
so there are basically 4 types of cup joints

front diff (same as the fornt and rear of the mtx3)
front one way/solid (come with the r)
front one way only (came with the mtx4, not the R,)
rear diff cup joints (mtx4 only)

let me know if you need the part numbers

happy racing
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Old 12-02-2007, 03:45 AM   #894
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Originally Posted by keavze View Post
just need to clarify:

higher track traction, thicker diff oil; lower track traction, lighter diff oil.

small and tight tracks, lighter oil; big and flowing track, thicker oil.

so...what oil to use if track is low traction but big and flowing?

also; what's the effect to the car/handling if u used the wrong oil ratings?
(high traction using lighter oil or low traction using thicker oil)

i've started to question these commonly held assumptions, especially when it comes to shock oils.

my last race was a 2 day event at www.moorebankraceway.com the traction was high, and the track is a very large flowing track with hard braking sections.

anyway, i ran losi 30 wt oil in my shocks. i also drilled out the front and rear pistons to to holes each (1.2mm diameter) i also ran xray yellow springs! (softest springs from the electric xray T2 collection) on my car.

i also ran 10,000wt oil (but with knack 0.8module gears installed in the diff)

also ran a c ackerman. The car handled fine, did quick times and entered and exitewd the corners really well with no hint whatsoever of understeer in any part of the track. I used active potenza SPR body with the option wing.

this setup was also used on a very loose slippery track with the only changes made being a narrow trackwidth for the slippery track, i also lowered the rear shocks to the bottom hole for the slippery track, and raised the shocks up 2 holes for the above track.

sometimes a thicker diff oil makes the car exit too aggressively, and hence kick out the rear. On a high grip track if you can keep the front end steering throughout the corner, then a lighter diff oil allows you to apply the power earlier in the corner, and you then subsequently steer the car out of the corner with the grip provided fromt he front, (as opposed to the "slide" or "loose rear end" type effect provided by the rear diff when you are using thicker oil)
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Old 12-02-2007, 04:29 AM   #895
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Default Internal Gearing of the MTX-4

I'm curious as to when or if Mugen will address the internal ratio of the MTX-4?

Serpent: 1.95
Kyosho: 2.05
Xray: 2.05

MUGEN: 2.15???

Having a lower internal gearing ratio allows you to go lower on 1st and 2nd gear pinions, and at the same time keeps the final drive ratio the same. What this also means is that you get faster into the powerband of .12 motors and the spool up time of the drive train is also less. This translates to faster acceleration corner to corner.
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Old 12-02-2007, 10:48 AM   #896
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guys im i was on the serpent thread asking what makes the serpent a better car than the mtx4r so vice versa what your facts or opinions

blaze
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Old 12-02-2007, 11:15 AM   #897
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The MTX4 is STRONG!!
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Old 12-02-2007, 03:13 PM   #898
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Quote:
Originally Posted by Seisick View Post
the fron diff cup joints are longer than the rears
so there are basically 4 types of cup joints

front diff (same as the fornt and rear of the mtx3)
front one way/solid (come with the r)
front one way only (came with the mtx4, not the R,)
rear diff cup joints (mtx4 only)

let me know if you need the part numbers

happy racing
The number for the cups needed in a front gear diff would be appreciated.
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Old 12-02-2007, 06:11 PM   #899
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Originally Posted by insanewulf View Post
The number for the cups needed in a front gear diff would be appreciated.
T0202
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Old 12-02-2007, 07:21 PM   #900
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T0202
That is the same one that came with my R kit for the rear. Thanks Again
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