Losi xxx-4

Old 04-22-2009, 06:43 AM
  #2536  
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I was wondering what some peoples opinions would be on weather it would be beneficial to remove the front internal shock spacer for rough tracks? I just usually drive at a rough, larger scale track, and unfortunately the low ride height makes it hard to negotiate a washboard section of the track. I was looking to get the most travel for a rough track, and wondered if removing the limiters would help at all, or cause an entire different concern. However I'm kinda doubtful that the .050, is gonna help the car from the conditions.
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Old 04-24-2009, 08:00 PM
  #2537  
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you can run either the xxx cr or bk2 rear arms with the xxx cr hubs, allows for more adjustability.....nice to be able to change the rear width and VLA also
Good starting point using the bk2 rear arms with the cr hubs in the long arm position
http://www.petitrc.com/setup/losi/se...e_Standard.pdf

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Old 04-25-2009, 04:50 AM
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Someone in another forum asked for pictures of my front one way for the Losi XXX-4 buggy so I thought I might just as well post them here.

As everyone here probably knows, the front one way produced by Losi for the XXX-4 buggy isn't designed very well. It uses tiny 4mm ID OWBs and plastic two piece design for the outdrives which results in random failures. Mine did not last a full charge of batt.

My design is essentially the original front one way for the XXX-4/S with the exception that I bored bigger holes in the hubs to replace the original 4mm ID OWBs with 6mm ones. I also machined my own outdrives from tool steel which are single solid pieces so there are no joints that can fail. So far it has held up pretty well in the track for me and the difference in steering is really noticeable. Hopefully it'll shave a few seconds off my lap times specially in small and technical tracks.



Kevin Cua
Attached Thumbnails Losi xxx-4-pic090425005.jpg   Losi xxx-4-pic090425009.jpg   Losi xxx-4-pic090425015.jpg   Losi xxx-4-pic090425016.jpg  

Last edited by Armstrong; 04-25-2009 at 05:14 AM.
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Old 04-25-2009, 04:58 AM
  #2539  
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See what I found lurking in the lhs today



Just a question, what FR outer pivot mount do you think is better in a tight smooth track? 10 degrees or 5 degrees? How about the rear? what rear outer pivot mount should I use?

Thanks in advance

Kevin
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Old 04-25-2009, 05:58 AM
  #2540  
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ive been running 7.5F 3R and its a good blance every where
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Old 04-25-2009, 06:02 AM
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too bad I can't find the 7.5 ones in aluminum anymore. So right now my options are really just the 5 degrees and the 10 degrees .
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Old 04-25-2009, 12:32 PM
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Smile chassi

hi just started building a new losi xxx-4 and nead a chassi i am lost i found the graphite one for it its 50.00 bucks damn then i found anothert one for the xxx-s it is plastic and 25.00 buck im wonder if it will work or not and im wondering where i can get alumminum diff covers thanks.
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Old 04-25-2009, 04:39 PM
  #2543  
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Originally Posted by rc 18t
hi just started building a new losi xxx-4 and nead a chassi i am lost i found the graphite one for it its 50.00 bucks damn then i found anothert one for the xxx-s it is plastic and 25.00 buck im wonder if it will work or not and im wondering where i can get alumminum diff covers thanks.
I was thinking the same way as you but the xxx-s chassi is shorter
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Old 04-25-2009, 06:46 PM
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Originally Posted by Armstrong
See what I found lurking in the lhs today



Just a question, what FR outer pivot mount do you think is better in a tight smooth track? 10 degrees or 5 degrees? How about the rear? what rear outer pivot mount should I use?

Thanks in advance

Kevin
you lucky dog, i bought a whole car just to get those lol
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Old 04-25-2009, 07:22 PM
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Originally Posted by Armstrong
too bad I can't find the 7.5 ones in aluminum anymore. So right now my options are really just the 5 degrees and the 10 degrees .
pm JDRAWE he still have those 7,5,atleast until last week
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Old 04-25-2009, 07:52 PM
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so i cant use the xxx-s chassi and y are those monts so special
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Old 04-25-2009, 08:00 PM
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No, you can't use the XXX-S chassis, it's too short. The 7.5 deg suspension mounts are special because losi stopped making them. Cheddabob made some himself and was selling them for awhile, I think I got his last one.
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Old 04-25-2009, 08:08 PM
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got a guestion why did i break a chassi and diff cover by litterly tapping a wall is there anything i can do to stop this from happing again and does anyone made alumminum diff covers and a wide front bumper.
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Old 04-25-2009, 09:19 PM
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you can use longer screws all around, also you can put nuts on the screws that go through the front bumper and the front prart of the bulk head.

Also you can tie the front bulk head into the chassi using a piece of CF, SS, or Steel
Not the best pic i have but you can some what see it
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Old 04-25-2009, 09:28 PM
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I'm def got lucky with that one. That was probably sitting there for years already . I got it a little overpriced though. The price wasn't changed back then when the lhs owner changed his pricing scheme. Back then he would list the prices really high and just give huge discounts according to his mood. These days he just posts his price plus an additional 5% and use that as discount. Too bad the sales lady didn't know so I had no choice but to buy it at that price. Around 26

I just PMed JDRAWE, really hoping he still has one for sale. Or else I'll have to settle with the 5* one. The 10* might take away too much steering from the car.

rc18t. You can add aluminum or CF braces to each side of the chassis where the chassis and the diff cover meets. I think that's the best way to prevent that from happening. It's one of those little problems this car has.
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