Losi xxx-4

Old 03-23-2009, 04:54 PM
  #2386  
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Originally Posted by pyro18t
You have fun with that one... let me know too because I have 8.5T also

J
Can...you ...count ...the ...pinion ...teeth?

On a side note....ideas on the battery side? I could fit 2 LiPo's in the height I got in this thing.... They need some more adjustments on the posts.....
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Old 03-23-2009, 07:17 PM
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Originally Posted by y2kgtp
Ehh..I threw a 16TG in there so I could mount the motor...
I run a 7.5 in mine and run a 19t with the stock spur. At 16t it ran hot all the time. The thing came to life when i geared it up more and rarely goes over 110 degrees.

One thing I notice when I first started playing with brushless is that gearing rules are not the same as brushed motors (beyond just running lower FDR). When you gear up for more speed, you also gain a big amount of low end torque. I believe that this is due to allowing the motor to spool up in rpms to a better powerband quicker than under the lower gearing load.

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Old 03-23-2009, 11:38 PM
  #2388  
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You guys know where I can get a one way diff for the front? Seems mine is pulled from the front or the back is too loose to push the car through the turn.

I also am using 5700kv mamba max motor, it's got tons of torque but the power comes a bit slow / or at higher motor rpm. I'll change the gearing to lower pinion and play with the mamba settings, but now the motor is way too hot (I ran 23/ 92). I'll try 19/92 next or lower to 16/92.

I set to pudge setup w/ holeshot tires, but it's not to my satisfaction. Any advice is appreciated, thanks.
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Old 03-23-2009, 11:50 PM
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glad your car came y2k, i just put my lrp 6.5 in it, im running it non sensored off of the ez-run 60 amp speedo, its super smooth off the start im suprised, i put a 20t pinion on there, i would try a 21-22 for you, this things a rocket tho i might have to gear down lol
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Old 03-24-2009, 07:00 AM
  #2390  
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y2kgtp check pm
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Old 03-24-2009, 07:50 AM
  #2391  
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Originally Posted by taztal3
y2kgtp check pm
Replied...thanks.

I got a NIP 1 way with my XXX-4, it is part number A3245 It is marked for the XXX-S, but obviously it works for the XXX-4 as well.

http://www.xfactoryrc.com/storelosi.htm = on backorder

eBay = 59.03 Shipped (5 in stock)
http://cgi.ebay.com/Losi-A3245-One-W...3286.m20.l1116

58.09 + ship
http://www.losipartshouse.com/servle...r-Drive/Detail

60.99$ shipped
http://cgi.ebay.com/Losi-One-Way-Fro...3286.m20.l1116


Damn, I got a good deal on this buggy
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Old 03-24-2009, 08:11 AM
  #2392  
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Who makes these rear hubs? I thought they were GPM prior to me getting the buggy, but they have more of a CR geometry. They even have a setscrew to hold the pin.





I think they are Trinity.

Last edited by y2kgtp; 03-24-2009 at 08:27 AM.
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Old 03-24-2009, 10:35 AM
  #2393  
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I scanned my one way instructions if anyone is interested. It also lists the individual part numbers in case you wanted to piece it together perhaps?

I have a larger scan available if you want to PM me for it, but this should do for most.

It looks like the most expensive parts are the hub\1 way bearings...

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Old 03-24-2009, 11:13 AM
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man those rear hubs are nice. i like the fact they have set screws in em, keeps them from getting wore on the hingepin
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Old 03-24-2009, 11:17 AM
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Originally Posted by big greg
man those rear hubs are nice. i like the fact they have set screws in em, keeps them from getting wore on the hingepin
There was 1 set on eBay (I just bought them), and I can't find them anywhere else.

The eBay ones were labeled 2 degree toe in...I do not know what degree I have installed.
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Old 03-24-2009, 12:39 PM
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Hey guys, I was just wondering if any one has put a Hard case Lipo in their XXX-4 yet? I just a few a and it seems I will have to trim the chassis to get them in. Just wondering if any one else has done this or is there an obvious solution that I have over looked?
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Old 03-24-2009, 12:46 PM
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y2kgtp, those are Trinity hubs. Hopefully they are 1 degree ( should have 1 dash on the side). The XXX-4 comes stock with 2 degree inboard toe and 1 degree hubs for 3 degrees total. The 2 degree hubs were for the gas truck and will be over kill on the XXX-4.
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Old 03-24-2009, 12:53 PM
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Originally Posted by Phelps
y2kgtp, those are Trinity hubs. Hopefully they are 1 degree ( should have 1 dash on the side). The XXX-4 comes stock with 2 degree inboard toe and 1 degree hubs for 3 degrees total. The 2 degree hubs were for the gas truck and will be over kill on the XXX-4.
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.
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Old 03-24-2009, 01:26 PM
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Originally Posted by DHC6
Hey guys, I was just wondering if any one has put a Hard case Lipo in their XXX-4 yet? I just a few a and it seems I will have to trim the chassis to get them in. Just wondering if any one else has done this or is there an obvious solution that I have over looked?
It takes about 15 minutes of light dremel work to get a hard case lipo to fit in a XXX4
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Old 03-24-2009, 01:31 PM
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Originally Posted by Matt Howard
It takes about 15 minutes of light dremel work to get a hard case lipo to fit in a XXX4
or 5 minutes of heavy.....
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