Losi xxx-4

Old 03-24-2009, 01:56 PM
  #2401  
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Originally Posted by y2kgtp
Ugg...they are marked 2L and 2R I did not notice at first.....

I have all the aluminum rear pivots that came with the buggy. It currently has a 3R/-1R with the 3R right side up. Does flipping this give me -1 degree? I also have a rear marked 1R as well.
Never mind....Anti-Squat numbers....I looked it up in the manual I was hoping I could adjust toe-in a bit with these....
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Old 03-24-2009, 02:18 PM
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@verticalpilot
I run 16/94 with the MM5700 and temps are fine even after a 20min run. Another tooth or two should be OK for 5-7min races, but 23 is too much. It'll still be plenty fast at those ratios if your batts are good, and you might like the "feel" better too.

@DHC6
I use a Reedy 5000, which fits well after some grinding. The strap interferes with the body if you just flip it over and I didn't feel like cutting it up, so I just used a scrap piece of alum stock instead.
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Old 03-24-2009, 02:51 PM
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Originally Posted by pserve
@verticalpilot
I run 16/94 with the MM5700 and temps are fine even after a 20min run. Another tooth or two should be OK for 5-7min races, but 23 is too much. It'll still be plenty fast at those ratios if your batts are good, and you might like the "feel" better too.

@DHC6
I use a Reedy 5000, which fits well after some grinding. The strap interferes with the body if you just flip it over and I didn't feel like cutting it up, so I just used a scrap piece of alum stock instead.
I wonder why my strap was cut up

I'm having fun grinding down the front drive pins to clear the front 1 way out drive retainers. I figure most people are using a 1 way diff, and I'm accustomed to driving 2WD for years, so this might work better for me.
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Old 03-24-2009, 04:43 PM
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My chassis has been ground to allow most lipos to fit but my SMC 5200mah is just a little bit too thick.

I was thinking that it would be nice to replace the battery posts with something threaded like the B44 has and to use a setscrew to hold the strap down instead of body pins.

I just need to find the right threaded post. The B44 posts are too tall.
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Old 03-24-2009, 05:40 PM
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y2kgtp,

Thanks for the pic's, that's what I thought. Just wanted to make sure it was ok to grind the chassis to fit the battery. Easy solution, but always a little hesitant about grinding something that can't be put back on...
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Old 03-24-2009, 06:08 PM
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so i see the battery thing is common place.... i guess i will finish grinding mine down..
so where can i get some of the alloy rear hubs, and alloy hinge pin supports?
what other upgrades are u guys doing to add reliability to these things...
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Old 03-24-2009, 07:07 PM
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i just ran a pck through mine, right now i have the front alloy pin mount, aluminum castor blocks, and ran into the pipe then fence multiple times and didnt break a thing! woot, i didnt have a one way and the car rotated pretty well, i dont think i need one, how tight are the diffs supposed to be? mine got dust in em and there really noisey, what kind of lube goes on the balls
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Old 03-24-2009, 08:04 PM
  #2408  
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https://www.shopatron.com/product/pa...r=TK5071/158.0
just have to look in the right places

funny watching people pay $15 for these on ebay
https://www.shopatron.com/product/pa...TRI35005/158.0


the xxx-cr hubs with either the BK2 or CR rear arms allow for more tuning options, VLA. when running the cr arms you need to run the bk2 rear cvds or they jam into the diff nut and cr cvds when using the bk2 arms...cvd wont be long enough.
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Old 03-24-2009, 09:37 PM
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Originally Posted by pserve
@verticalpilot
I run 16/94 with the MM5700 and temps are fine even after a 20min run. Another tooth or two should be OK for 5-7min races, but 23 is too much. It'll still be plenty fast at those ratios if your batts are good, and you might like the "feel" better too.
Thanks a lot Pserve!

I just put the 16 in, and reprogrammed the esc, but I'll change the spur also. I always ran my mamba hot, but it could be my driving too. But the car was a rocket!
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Old 03-24-2009, 09:56 PM
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1 way diff question.

I just put a 1 way in my buggy, but it seems that the outdrives can just pull out? is this normal?
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Old 03-24-2009, 10:08 PM
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yup normal... all it is a one way bearing that the outputs slide into..
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Old 03-24-2009, 10:09 PM
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Originally Posted by ShtLuck
yup normal... all it is a one way bearing that the outputs slide into..
Man, makes me thing this would work it's way out when running?
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Old 03-24-2009, 10:10 PM
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yeah it will... put small springs in the drive cups so that the dog bones push them back in
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Old 03-24-2009, 10:32 PM
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Originally Posted by ShtLuck
yeah it will... put small springs in the drive cups so that the dog bones push them back in
Yeah, I put the springs in there.....just does not seem like enough to keep them in.
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Old 03-25-2009, 07:45 AM
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If you take an xacto knife and spline the part of the drive cup that goes into the 1/4 x 3/8 bearing it will help alot with this problem.
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