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Old 07-14-2012, 11:24 AM
  #26581  
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Originally Posted by Wildcat1971
Ian,
even a small bit of wear on the pinion or spur can cause massive noise. Try a new pinion and spur and see if it goes away. I assume you have it meshed well. Check your belt tension too. I made mine tight one time and it was pretty noisy.
Before the track that day I put in a brand new pinion and spur since I traded motors......... And I adjusted the mesh several times, even had my friend do it since his sc10 4x4 was freaking quiet compared to mine. I believe it might be what Jake suggested with the idler gear needing replacement. But we'll see what happens after I tear it down completely and redo everything and give it a full car wash so to speak.......

Oh and my rear is set to mid and the front is set to one notch up above the mid to make it a little looser....
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Old 07-14-2012, 11:26 AM
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Originally Posted by ilanstylz
Before the track that day I put in a brand new pinion and spur since I traded motors......... And I adjusted the mesh several times, even had my friend do it since his sc10 4x4 was freaking quiet compared to mine. I believe it might be what Jake suggested with the idler gear needing replacement. But we'll see what happens after I tear it down completely and redo everything and give it a full car wash so to speak.......
cool. when I replaced my spur and pinion ir was really quiet for like 1 5 minute race. lol. I think the torque being applied to the spur wears it quickly. Does jc make a silent spur for the sc104x4? in 32 pitch?
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Old 07-14-2012, 12:30 PM
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Originally Posted by Wildcat1971
cool. when I replaced my spur and pinion ir was really quiet for like 1 5 minute race. lol. I think the torque being applied to the spur wears it quickly. Does jc make a silent spur for the sc104x4? in 32 pitch?
Unfortunately no they don't.
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Old 07-14-2012, 12:52 PM
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What can be done to reduce roll over? I have 2 sc10 4x4, 1 is older version and can be driven hard into the corners. New Factory Team rolls over easily. Same tires swapping back and forth.
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Old 07-14-2012, 01:04 PM
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Originally Posted by ilanstylz
Before the track that day I put in a brand new pinion and spur since I traded motors......... And I adjusted the mesh several times, even had my friend do it since his sc10 4x4 was freaking quiet compared to mine. I believe it might be what Jake suggested with the idler gear needing replacement. But we'll see what happens after I tear it down completely and redo everything and give it a full car wash so to speak.......

Oh and my rear is set to mid and the front is set to one notch up above the mid to make it a little looser....
I heard it yesterday and it sounds like an scte losi. If it runs fast...leave it.
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Old 07-14-2012, 01:09 PM
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Originally Posted by IRM616
I heard it yesterday and it sounds like an scte losi. If it runs fast...leave it.
LOL I remember, as soon as you came to the stand you asked me if I was running a losi ........ Yeah but its kind been annoying lately, I miss how quiet it used to be. Oh and I might be in Vegas next week (Fri/Sun) so I might check out the track there, if not I may head back to WCRC I had a blast there......
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Old 07-14-2012, 01:20 PM
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Originally Posted by 1M
What can be done to reduce roll over? I have 2 sc10 4x4, 1 is older version and can be driven hard into the corners. New Factory Team rolls over easily. Same tires swapping back and forth.
the 8mm mod bob. pm me on fb if you need details on it.

Geo
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Old 07-14-2012, 02:05 PM
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Originally Posted by 1M
What can be done to reduce roll over? I have 2 sc10 4x4, 1 is older version and can be driven hard into the corners. New Factory Team rolls over easily. Same tires swapping back and forth.
ride height too high?
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Old 07-14-2012, 02:13 PM
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put shims under the ball studs. assuming it has sway bars.
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Old 07-14-2012, 02:30 PM
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Originally Posted by ilanstylz
LOL I remember, as soon as you came to the stand you asked me if I was running a losi ........ Yeah but its kind been annoying lately, I miss how quiet it used to be. Oh and I might be in Vegas next week (Fri/Sun) so I might check out the track there, if not I may head back to WCRC I had a blast there......
I too have a very noisy SC10 compared to the others. Keep us posted on what you figure out! I'm new to this 4wd SC thing so your topic is one of my first concerns.
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Old 07-14-2012, 02:44 PM
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noticed the noise dropped when I adjusted the belt tension.
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Old 07-14-2012, 03:30 PM
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Originally Posted by Cain
noticed the noise dropped when I adjusted the belt tension.
Did you make the belt tighter or looser, and same adjustment on both ends?
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Old 07-14-2012, 03:41 PM
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Raising the inside ballstud will make the truck roll more as it lowers roll center.

Compare setups between both trucks and report back what is different.
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Old 07-14-2012, 03:45 PM
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Originally Posted by zenfilmz.com
Two things i think might help your issues. Torque =wheel spin so im saying u need to go up in rear diff fluid. Add some ball studs up front. 1.1 piston in the rear with a small limiter in side. Maybe go down innspur And like 24000 in the front loosen the slipper a bit too. Weight under the spur and under the servo kinda right side to balance the motor maybe up on pinon a tooth and bump uP oils in da shocks braddah
Basically the exact opposite of that...

Going up in diff fluid will make the two tires more "locked together" so that would only make the truck spin more easily. Raising the front ballstud would lower the front roll center and make the truck softer in the front and would only make the problem worse.

Raise the rear inner ballstud to increase rear traction.
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Old 07-14-2012, 05:26 PM
  #26595  
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Just got back from west coast. Fng awesome, thanks to all who helped me in this thread, truck was great!
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