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Old 09-25-2009, 06:21 AM
  #9631  
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Originally Posted by CClay1282
With the 13.5 i would run a 78/24-28 depending on speedo. The 8.5 maybe a 84/21 ???.
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Old 09-25-2009, 07:12 AM
  #9632  
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Originally Posted by Tony Newland
gearing a motor lower will multiply its torque.... so you may never get enough traction. Take some EPA out of it and add some negative expo to mellow it out
that's not really correct.

if you gear brushless taller they pull more current and thus make more power.

adding to that the torque lowers when RPM goes up, and the taller gearing will thus make the car run faster for a given RPM.

Thus with Brushless you usally get more spin with taller gearing, not lower.

this also explains the wheelies the stockers can pull, gear them low and they are done doing that.
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Old 09-25-2009, 08:55 AM
  #9633  
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Originally Posted by UK.hardcore
that's not really correct.

if you gear brushless taller they pull more current and thus make more power.

adding to that the torque lowers when RPM goes up, and the taller gearing will thus make the car run faster for a given RPM.

Thus with Brushless you usally get more spin with taller gearing, not lower.

this also explains the wheelies the stockers can pull, gear them low and they are done doing that.
So if you gear it 2 or 3 tooth higher, the better the motor will run.
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Old 09-25-2009, 09:02 AM
  #9634  
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Gearing taller will tame wheel spin ...

also
A bigger pinion push's the motor further back which will add rear traction...

alert
Too large of a pinion can over heat the motor & ESC... (Bad)

suggest a 22,23 /78 for 8.5 ,T4
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Old 09-25-2009, 09:03 AM
  #9635  
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only till before the point it only gains in temperature yes.
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Old 09-25-2009, 09:25 AM
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Originally Posted by Wild Cherry
Gearing taller will tame wheel spin ...

also
A bigger pinion push's the motor further back which will add rear traction...

alert
Too large of a pinion can over heat the motor & ESC... (Bad)

suggest a 22,23 /78 for 8.5 ,T4
I don't have too much of a problem with wheel spin, but the moment a touch the wheel I spin...


are there any "upgrades" or mods I should do before the indoor seson starts???
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Old 09-25-2009, 09:35 AM
  #9637  
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Recommend Ryan Mayfield's T-4 set-up for your base set-up ....

start with that....
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Old 09-25-2009, 10:04 AM
  #9638  
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How good is the T4 out of the Box?

What hop-Ups Are needed?
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Old 09-25-2009, 10:11 AM
  #9639  
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For a 8.5 81/23 or 84/23 depending on temps.

For a new T4, there are really no neccessary mods. Only thing I can think of is doing the gt2 front end with arms, caster blocks, and spindals. It adds some strength and makes the truck about bulletproof.
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Old 09-25-2009, 11:40 AM
  #9640  
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T4 is pretty tough. only 1 C-hub broken in 25H of runtime orso.
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Old 09-25-2009, 12:36 PM
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Originally Posted by AxiomJacob
For a 8.5 81/23 or 84/23 depending on temps.

For a new T4, there are really no neccessary mods. Only thing I can think of is doing the gt2 front end with arms, caster blocks, and spindals. It adds some strength and makes the truck about bulletproof.
The GT2 steering blocks axle location is about .60 lower so keep that in mind when working with set-up sheets.
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Old 09-25-2009, 12:57 PM
  #9642  
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Ok I got my gt2 rear hubs in and its way off. The part where the rear turnbuckle connects to the hub seems to be on the wrong side and I would have to sand down the arms or the actual hubs to get it to fit.
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Old 09-25-2009, 01:05 PM
  #9643  
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T4 does not use Gt-2 rear hub , instead use the B-44 rear hub or the stock T4 hub...
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Old 09-25-2009, 02:37 PM
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Originally Posted by Ae*Driver*70
How good is the T4 out of the Box?

What hop-Ups Are needed?
I picked up a used rtr version, dropped a novak 10.5 in it and won almost every race I been in. they're very good outta the box.
simple mods were chose the right tires for the track and brushless. I did win the first weekend with the stock rtr system, but the temps kept going to 200* even geared with 16/84
so far broke 1 front arm, but still finished the race, didn't even notice it was snapped untill going to the pits
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Old 09-25-2009, 09:36 PM
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Originally Posted by offtraxx
I picked up a used rtr version, dropped a novak 10.5 in it and won almost every race I been in. they're very good outta the box.
simple mods were chose the right tires for the track and brushless. I did win the first weekend with the stock rtr system, but the temps kept going to 200* even geared with 16/84
so far broke 1 front arm, but still finished the race, didn't even notice it was snapped untill going to the pits
That is a tad hot
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