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Losi xxx-4

Old 11-30-2008, 04:55 PM
  #2266  
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They do make on for a xxx4, i believe the only difference is the length. I have one on my xxx-4 with the hd belt kit. There should be two part#'s, one for a xxx-s and one for the xxx-4.
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Old 11-30-2008, 05:58 PM
  #2267  
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What they said ^^^^

Belt used to be green, but is yellow now. XXX-S also has a yellow belt now. The one you want is LOSA3213. Ask me how I know...

I ran the original green one for two years before some crap got in there and caused it to start fraying. If the tension is set right, it won't skip much or snap on you.
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Old 12-01-2008, 10:01 AM
  #2268  
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I think I figured out the problem with my steering knuckles hitting the a-arm. Looks like the aluminum pivot block for the front is like a 10degree and the car I am using to copy has a much lower pivot block.

What do most people run?
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Old 12-01-2008, 05:31 PM
  #2269  
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Originally Posted by everyjuangohome
I think I figured out the problem with my steering knuckles hitting the a-arm. Looks like the aluminum pivot block for the front is like a 10degree and the car I am using to copy has a much lower pivot block.

What do most people run?
If you can find them get a 7.5 degree. cheddabob made some several months back, might see if he can make you one. Otherwise i could start parting out my xxx4
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Old 12-07-2008, 06:25 PM
  #2270  
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Hello all I am in the market for a 4 wheel offroad buggy. Ive always ran losi so naturally I am looking at xxx4 but Ive heard from several people the the xxx4 is a very fragile car and would not be the choice car to get. My question to all of you is if this is true and if so what thing have you done or can be done to deef up the chassis. Thanks guys I would appreciate any info you have I want to do anything I can to avoid buying a B44.
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Old 12-07-2008, 08:37 PM
  #2271  
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Originally Posted by Rdog
Hello all I am in the market for a 4 wheel offroad buggy. Ive always ran losi so naturally I am looking at xxx4 but Ive heard from several people the the xxx4 is a very fragile car and would not be the choice car to get. My question to all of you is if this is true and if so what thing have you done or can be done to deef up the chassis. Thanks guys I would appreciate any info you have I want to do anything I can to avoid buying a B44.
my advise...
i have both a xx-4 and a xxx-4. pretty much all 4wd's are fragile. i can guarentee if its been a while since you drove one or if its yur first time you will break parts. i broke a lot when i first got my xxx-4 and it was even on some of the most standard landings that it would break. even if you looked at it wrong it would break. basically just learn to let "it" drive you. think about whats going on and you will be fine.

good luck
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Old 12-08-2008, 06:27 PM
  #2272  
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I picked up a nice used xxx-g+ the other day and not real sure how to lay out the electronics . Can someone post a pic of a xxx-4 that has a gtb system in it , so i can get a idea on how i need to lay out my electronics .

Thanks
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Old 12-08-2008, 06:35 PM
  #2273  
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GTB in rear behind the motor , RX next to servo .
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Old 12-08-2008, 07:41 PM
  #2274  
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Originally Posted by HEAT
I picked up a nice used xxx-g+ the other day and not real sure how to lay out the electronics . Can someone post a pic of a xxx-4 that has a gtb system in it , so i can get a idea on how i need to lay out my electronics .

Thanks
http://www.rctech.net/forum/3306902-post1242.html

heres a pic of mine when i had it in my 4. its now all crammed in my xx-4 not sure what im doing with the xxx now.
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Old 12-08-2008, 07:43 PM
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Originally Posted by roadrashracing
More steering is something I am looking for. I'm going to try it next time
talk to karl schmeling up there at dirt heaven. i did the same steering mod that he did and it helps the steering a ton. or i can post pics later after i take everything out from off-road champs this last weekend.
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Old 12-09-2008, 08:37 PM
  #2276  
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I put a mamba max bl system in my xxx-4 with a 6900kv motor . Stock spur what pinion should i run ?
Thanks
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Old 12-10-2008, 12:32 PM
  #2277  
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I'm not sure but regarding durability I've heard that Tamiya's TRF501X being pretty tough.
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Old 12-22-2008, 12:06 PM
  #2278  
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I'm having gearing issues. I have not been able to get to the track and so have been mucking around with the xxx-4 on the street. It seems a little on the slow side.

I have a 19T Double Reedy that gets the B4 cranking, but not so much with the XXX. Now I know it's 4wd, but I may be undergeared.

I have the 92 spur on, with a 21 tooth pinion. Is that about right? If so i'll keep mucking arond with the slipper and diffs. First time with a 4wd!

I know it's track dependant, yadda yadda, but looking for a start point. The motor is pretty warm after 5 minutes, but I expect that for a 19 Turn pushing a 4wd.
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Old 12-22-2008, 02:15 PM
  #2279  
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I currently have a VXL ESC and am running an older neostar1 I believe it's a 8.5 brushless sensored motor. I have a 92 spur and I was running a 19t pinion and I just put in a 17 and really like it. But keep in mind that's in my backyard track if I went to the local track I would go back to the 19 maybee even 20 if the motor temps are good.

I tell ya I was weary about keeping my losi xxx-4 (aquired 2) I stripped on apart and built one up. I lept hearing how fragile they are. I have beat the crap out of mine non stop and so far I have broken one shock tower and a front diff cover (which was my fault) forgot to put the bottom diff screws back in.

I swear my xxx-cr and xxx-t broke more than this buggy.

The main issues I have is my belt. I basically cannot use reverse for fear of the belt coming off the tension arm.
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Old 12-22-2008, 02:28 PM
  #2280  
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Originally Posted by everyjuangohome
I currently have a VXL ESC and am running an older neostar1 I believe it's a 8.5 brushless sensored motor. I have a 92 spur and I was running a 19t pinion and I just put in a 17 and really like it. But keep in mind that's in my backyard track if I went to the local track I would go back to the 19 maybee even 20 if the motor temps are good.

I tell ya I was weary about keeping my losi xxx-4 (aquired 2) I stripped on apart and built one up. I lept hearing how fragile they are. I have beat the crap out of mine non stop and so far I have broken one shock tower and a front diff cover (which was my fault) forgot to put the bottom diff screws back in.

I swear my xxx-cr and xxx-t broke more than this buggy.

The main issues I have is my belt. I basically cannot use reverse for fear of the belt coming off the tension arm.


Do you have the updated belt tensioner? It works much better then the one that comes with the car originally!
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