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squeeforever
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04.07.2009, 08:18 PM

You'll probably need some 300k or so in the center diff. If thats not enough, about the only thing thicker is 500k and that might be to much. Also, to keep the front from unloading, you can go thicker in the front as well. That should help a little.
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mopar1994
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04.07.2009, 08:27 PM

so are you saying to put thicker oil in the front diff? and will this setup eliminate crazy wheelies? im ok with a small wheelie as long as it does not hit the wing and the front goes down after you accelerate
   
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azjc
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04.07.2009, 09:02 PM

you will need it in the CD, I tried 500k in a Traxxas CD in a converted Revo and it didnt do much...the TRX CD is crap IMO
   
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mopar1994
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04.07.2009, 09:33 PM

is there a way to just make the wheelies go away without the front tires ballooning too much? its ok if they balloon a little
   
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OldSoldier
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04.07.2009, 10:48 PM

Quote:
Originally Posted by mopar1994 View Post
is there a way to just make the wheelies go away without the front tires ballooning too much? its ok if they balloon a little
What do you have in it?

I'm having similar problem with wheelies. Here are some things to try:

1) Thicker shock oil in the rear shocks
2) Stronger springs in the rear shocks
3) Wheelie bar (I have one on mine)
4) More spring preload on rear shocks
5) Shift batteries toward the front of the car
6) Add artificial weight to the front to keep it down.

As for the balooning...I have that problem also...tires come unglued several times during speed runs between 45 and 57.1Mph.
1) Try a different tire...low profile preferred
2) A street tire may work better than dirt tire
3) I've considered trying to drive with these on the car:
http://www3.towerhobbies.com/cgi-bin...?&I=LXNRE7&P=7
but I've never tried it.

OldSoldier


OldSoldier - Maryland
E-Maxx FLM chassis/combo-bulks, 10XL, Quark 125, 4-6s
E-Revo 6s MMM Medusa 80mm 2200KV 61.7MPH!
   
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mopar1994
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04.07.2009, 10:57 PM

im not sure if your asking what gearing i have in it or what battery and motor i have in it so ill tell you both. i have a 17 tooth pinion and 38 tooth spur. i have a 5s lipo and the 2200kv castle motor with the mmm. im definitely not getting a wheelie bar because i am going to race it a lot

Last edited by mopar1994; 04.07.2009 at 11:05 PM.
   
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squeeforever
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04.07.2009, 11:59 PM

Need to know what weight fluids you have. Like I said though, adding thicker fluid in the front might tame down the front diff unloading, but it won't do anything for the wheelies, and you might also need to go higher in the center diff, but that will make wheelies even more of a problem. If you can, get one of the custom made center diffs that a guy use to sell on Ebay (I think it was cowboy??). There a great center diff since there 6 spyder and not 4 like the Traxxas. That will allow you to use thinner fluids since 500k is about as thick as you can get and isn't always thick enough for the Traxxas CD. I'd try and go thicker in the front first though. That won't keep it from unloading while in a straight line, but more so if your going into a turn and the inside front wheel is the one unloading.
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mopar1994
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04.08.2009, 10:17 AM

well i have the stock oil in the front and rear diffs never changed it since i got it and i have whatever weight oil that comes with the CD i think its like 100k
   
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squeeforever
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04.08.2009, 12:18 PM

Go heavier in the front first, then try 300k or so in the center, but taping the tires helps more than almost anything.
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azjc
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04.08.2009, 01:10 PM

either tape the inside of the tires with duct tape or use a low profile truggy tire both of these methods keep the tire from expanding
   
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mopar1994
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04.08.2009, 09:13 PM

i drove it today with a 36 tooth metal spur, 17 tooth pinion, and i set the punch controll and motor timing a little different and it works much better. now im gona try 300k oil in the center diff and tape the tires.
   
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Balooning Tire fix?
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OldSoldier
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Balooning Tire fix? - 04.08.2009, 10:37 PM

Quote:
Originally Posted by mopar1994 View Post
im not sure if your asking what gearing i have in it or what battery and motor i have in it so ill tell you both. i have a 17 tooth pinion and 38 tooth spur. i have a 5s lipo and the 2200kv castle motor with the mmm. im definitely not getting a wheelie bar because i am going to race it a lot
Just realized I didn't read the previous pages of this thread. Looks like you did a Revo conversion. I thought you had an E-Revo like me. On the E-Revo, the Traxxas wheelie bar is removeable without tools, and it has several height adjustments, so you can almost tuck it up out of the way or just remove it for racing. Not sure if it will fit the original Revo. If I wasn't so lazy I'd get up and find my Revo to see if it would fit...but I'm beat!

What kind of speed you getting out of that combo? I just did a speed run today and hit 61.7MPH...first time getting over 60 I just hope I NEVER hit anything at that speed!

Oh, by the way, I changed tires to get rid of the balooning. I went with:

Proline Road Rage 40 series tires stretched over HPI wheels:
http://www3.towerhobbies.com/cgi-bin...&I=LXDCW2&P=ML
http://www3.towerhobbies.com/cgi-bin...?&I=LXNHV6&P=7

They were difficult to mount because they are not made for each other, but the result is a super low profile tire. I glued it twice to make sure. They have been tested up to 61.7MPH.

OldSoldier


OldSoldier - Maryland
E-Maxx FLM chassis/combo-bulks, 10XL, Quark 125, 4-6s
E-Revo 6s MMM Medusa 80mm 2200KV 61.7MPH!

Last edited by OldSoldier; 04.08.2009 at 11:22 PM. Reason: more info
   
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Old
  (#43)
azjc
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04.09.2009, 02:42 AM

the Phaltlines are a cool on road tire for a truggy or Maxx/Revo

http://www3.towerhobbies.com/cgi-bin...&I=LXNHW8&P=FR
   
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  (#44)
mopar1994
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04.09.2009, 10:50 AM

im rally not sure how fast it goes oldsoldier. but its faster than when it was nitro and my nitro revo went over 40mph so im thinking it goes 40-50
   
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mopar1994
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04.11.2009, 12:30 AM

i am going to put 50k oil in the front diff and 10k oil in rear diff and i put gold shocks on the back and green shocks in the front. i got my front diff all taken apart and im not sure how much to fill this thing up with oil.
this is where i put the oil right?



i hope it will handle a lot better now with new shocks and new oil. i still need to get 300k oil for the center diff and im thinkin about getting the rpm true track and i got the revo platinum edition body for it
   
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