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SC10 4x4 Thread

Old 03-21-2013, 03:01 PM
  #33286  
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On another note, how about some actual tech on the RCTech Sc10 4x4 thread?

I decided to convert to big bore springs. Here's how you can too.



You will need this Kyosho parts tree:

http://www.amainhobbies.com/product_...hock-End-Set-4

Detailed instructions:

Snip off the bucket and the top adaptor washer thing, it slips right over the ride height adjuster like its supposed to be there. Remove old spring buckets and springs. Install new parts. Go have a soda. Your done.

Other than the spring rates which were a flat out wild guess (I ordered Hot Bodies 60mm white F and Losi 2.3" green R, they feel pretty close on the bench but I haven't been able to measure them yet), this flat works. The buckets are a slight bit loose on the AE spring eyes, but they are so far on them I'm not worried about losing them. Plus they are solid and will never break. And the springs don't drag the shock bodies anymore.

Truth be told, I got lucky when I guessed at something that I thought would work (the part numbers), and it did. Hopefully I'll get to go practice or race here this weekend.
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Old 03-21-2013, 03:03 PM
  #33287  
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Originally Posted by Wild Cherry
On med to med high traction 8mm camber mod truck free's up rear traction & controls roll ....

don't really need for outdoor, although if you do use suggest lower the inside camber stud to 5mm or less...
Just an FYI to the OP, found I gained traction with the +8mm mod.

Best bet, try it yourself and see. The main thing that I see that controlled how much bite I had in the rear was the height of the inner ball stud by the tower. Raising this up freed the rear end up, lowering it, more grip.

the output hub position seemed on face value to give more traction.

Just what I saw on a loose track.
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Old 03-21-2013, 03:07 PM
  #33288  
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Originally Posted by CraigMBA
Other than the spring rates which were a flat out wild guess (I ordered Hot Bodies 60mm white F and Losi 2.3" green R, they feel pretty close on the bench but I haven't been able to measure them yet), this flat works.
this is what on theory we got for weights (lbs-in) for the HB springs, I am assuming you are using the 60mm ones?

Gray 4.14
White 4.54
Blue 4.98
Orange 5.49
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Old 03-21-2013, 03:11 PM
  #33289  
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Originally Posted by Cain
this is what on theory we got for weights (lbs-in) for the HB springs, I am assuming you are using the 60mm ones?

Gray 4.14
White 4.54
Blue 4.98
Orange 5.49
Yes.

I'm certain the Hot Bodies are consistant with each other for their stated rates. What I'm not certain of is what those numbers mean in AE rates and against AE springs. For example, I'm not certain if HB White is stiffer or softer than AE Blue fronts.

FWIW, I would of ordered grays, but they were on backorder.
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Old 03-21-2013, 03:17 PM
  #33290  
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Originally Posted by CraigMBA
Yes.

I'm certain the Hot Bodies are consistant with each other for their stated rates. What I'm not certain of is what those numbers mean in AE rates and against AE springs. For example, I'm not certain if HB White is stiffer or softer than AE Blue fronts.

FWIW, I would of ordered grays, but they were on backorder.
Lol. not surprised personally, its a popular spring right now for the Tekno vehicles.

My numbers are just conversions of the gf ratings that HB uses. from usage comparison as I do use the AE fronts on my sct410, the AE rates I have used feel right in comparison to the HB counterparts.

I wish I had that old school integy spring dyno, if it would fit, could find out for sure.
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Old 03-21-2013, 07:19 PM
  #33291  
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I usto have a hb ve8.. I used the grey in front and white in rear for what it's worth the car was about 6.5 lbs I remember. The car came with white front and grey rear and everybody swapped them. I think I would go grey too. Those springs are good! And there short too
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Old 03-21-2013, 08:36 PM
  #33292  
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Originally Posted by indybobb
Kinwald's Truck @ Cactus:

Those look like AE bronze fronts to me. Anybody else got an opinion? Assuming they are, they are roughly about as stiff as a 13mm yellow front.

Huh.
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Old 03-22-2013, 12:05 AM
  #33293  
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Bought the new diff kit associated put out.. Kit was terrible. Gears aren't meshing, the cross pins were miscut, and case doesn't close properly.. Gotta love quality control right? In other news, got my Exotek Chassis today. Can't drive it though because of horrible diff kit mentioned above -_-x.
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Old 03-22-2013, 06:50 AM
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Originally Posted by CaseyDDR
Bought the new diff kit associated put out.. Kit was terrible. Gears aren't meshing, the cross pins were miscut, and case doesn't close properly.. Gotta love quality control right? In other news, got my Exotek Chassis today. Can't drive it though because of horrible diff kit mentioned above -_-x.
that sucks man, sorry to hear that.
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Old 03-22-2013, 06:57 AM
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Originally Posted by CraigMBA
Those look like AE bronze fronts to me. Anybody else got an opinion? Assuming they are, they are roughly about as stiff as a 13mm yellow front.

Huh.
+1 . Maybe he was looking for some tweener rate? the AE spring kit jumps from 4.3 blues to 4.9 yellows, sc10 4x4 springs. If so, he could use 16mm Blue 4.65 or 16mm Bronze 4.7 .

Assuming the values hold, Hot bodies 60mm whites or 68 mm reds would offer a 4.54 rate for anyone curious.
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Old 03-22-2013, 06:58 AM
  #33296  
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Originally Posted by Wild Cherry
If you try to install both gears with the flanges on the same side ?

Won't fit & won't spin very well ...

Watched Ryan's new Sc10 ripping the track yesterday , looks good and the smile on face proved it ...

ModelTech

your pic's of the 8mm camber mod
thanks much WC!! Got my truck yesterday and getting things together for it!! First thing i am ordering is the Mc2.

Last edited by MODELTECH22; 03-22-2013 at 07:09 AM.
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Old 03-22-2013, 07:10 AM
  #33297  
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I want to put out a huge thanks to Wild Cherry and Cain for aall there help so far!!! Good guys here!!
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Old 03-22-2013, 07:39 AM
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your welcome. Please report back on what your results are, questions, tips, etc. This will also help others in getting situated with the vehicle.
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Old 03-22-2013, 08:48 AM
  #33299  
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Originally Posted by Wild Cherry
On med to med high traction 8mm camber mod truck free's up rear traction & controls roll ....

don't really need for outdoor, although if you do use suggest lower the inside camber stud to 5mm or less...
I am using the 8mm mod outdoors with only 4mm of inner ball stud washers and it works pretty good on medium to low traction surfaces. I am planning to keep this set-up for high bite tight tracks.
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Old 03-22-2013, 10:05 AM
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Originally Posted by TomErickson
I am using the 8mm mod outdoors with only 4mm of inner ball stud washers and it works pretty good on medium to low traction surfaces. I am planning to keep this set-up for high bite tight tracks.
sounds like i'm gonna have to try this 8mm mod. i run on lose to medium track sometimes. What Is the ball stuff part number need to raise it that high i only have the stock ball stuff not sure of it works.
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