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Old 08-01-2013, 06:02 AM
  #4471  
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Originally Posted by Skiddins
It depends on the track and how bumpy it is etc.

I have been running progressives all round on asphalt and found it can make the car more consistent. Then at another asphalt track that was faster and smoother I ran 2.9's with 2.7's

2.7 and 2.5 work well on carpet. If grip comes up enough you could run 2.7 front and rear.
What stiffer springs would u suggest to get for the rear to try first ??
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Old 08-01-2013, 06:48 AM
  #4472  
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Originally Posted by Skiddins
Didn't know there were going to be any Mod drivers there, so I went with the car set up for 13.5 and left it.

Will be back there next Sunday, will run Mod then (bet no drivers run it!)
bring 3 more drivers with you,grainger and the blue car were in mod the other 2 were 13.5,if you have at least 4 people to do mod (or run a heat)then they will run it,i think thats why they run as four together,other wise no one runs mod there.i was surprised to see a mod class tbh .its not like west london where its just sam or ben on their own,that wouldnt happen at amcc due to a lack of marshalls
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Old 08-01-2013, 09:02 AM
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Originally Posted by CarbonJoe
In 64p, 96 tooth spurs are popular for 17.5. Around 3.8 FDR, so 48 tooth pinion.
So, in 48 pitch, 72 spur, and 36 pinion.
Originally Posted by kermit
At the AOC I ran 70-72T with 34-36T pinions in 48P for 17.5 blinky. It's a tight fit with the motor screws and takes a bit of messing around to get the placement of the pinion aligned with the spur but not touching the motor screws.
Originally Posted by PDR TOO
In 21.5 Blinky we need to go even further. At my home track in Sydney (SMA) we will run gearing up to 64 spur with 43 pinion (48 pitch). As Kermit says, getting the correct mesh without allowing the pinion to rub on the motor screws takes some patience.
Damn, clearance on the T4 is crazy tight, I picked up a 72T pinion, but realized for 10.5T maybe I should have gone a 74T, did not notice how limited the back travel on the motor can be (could be my TP motor), with the 72T I can go down to a 30T pinion min.
Then I noticed how close the motor screws are to the pinion, and how little room there is for the pinion in general (though I'm just running Yeah Racing pinions reversed).

Still looking forward to seeing how it goes tomorrow though.
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Old 08-01-2013, 09:03 AM
  #4474  
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These kits seem to be impossible to find at the moment. Is there an ETA on a replenishment?
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Old 08-01-2013, 09:39 AM
  #4475  
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Originally Posted by yodace
What stiffer springs would u suggest to get for the rear to try first ??
2.5's and another pair of 2.7's
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Old 08-01-2013, 10:16 AM
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Originally Posted by Skiddins
2.5's and another pair of 2.7's
Leave the front springs the same 2.7
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Old 08-01-2013, 10:18 AM
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Originally Posted by Semple
These kits seem to be impossible to find at the moment. Is there an ETA on a replenishment?
I wish I could help you find one in stock somewhere, Semple. Especially since I see that you're a local racer. There's a few of us in the area who race T4s, but I'd love to see more. RCmarket shows that it should be back in stock in 2-3 weeks, but I don't know how accurate that really is.

I'll be at HRC on Saturday evening for the 10th scale offroad races. I'll be the bald guy driving the white and fluorescent orange XB4. Come by and say hello if you're around.
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Old 08-01-2013, 11:52 AM
  #4478  
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Originally Posted by yodace
Leave the front springs the same 2.7
yes,but if you can get a full set of spring from 2.5 to 2.8 ive used the all at one stage or another,the t4 changes with the weather,as it gets hotter i go to 450 oil and the2.5-2.8 progressives all round,if the rear becomes ununstable then i stick the 2.7's on the rear,im still .5 a sec off the faster guys but its got me going faster
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Old 08-01-2013, 12:13 PM
  #4479  
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Rcamerica is suppose to have them next week.
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Old 08-01-2013, 12:53 PM
  #4480  
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Originally Posted by yodace
Leave the front springs the same 2.7
At first, yes.

Softer fronts will usually give a bit more steering, but the car will be a bit lazier. That will make it easier to drive, but not necessarily faster.

Everything is dependant on the track, it's layout and weather etc.

The only real way to know is to experiment and get to see what you like.
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Old 08-01-2013, 06:08 PM
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Originally Posted by Skiddins
At first, yes.

Softer fronts will usually give a bit more steering, but the car will be a bit lazier. That will make it easier to drive, but not necessarily faster.

Everything is dependant on the track, it's layout and weather etc.

The only real way to know is to experiment and get to see what you like.
Do you prefer the xray springs or the rsd springs on asphalt?
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Old 08-02-2013, 01:31 AM
  #4482  
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Originally Posted by Will1/10
Do you prefer the xray springs or the rsd springs on asphalt?
So far, RSD, but none match exactly so you can have everything inbetween if you use Xray as well.
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Old 08-02-2013, 05:38 AM
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Originally Posted by Skiddins
So far, RSD, but none match exactly so you can have everything inbetween if you use Xray as well.
Thanks, I think I'll try the RSD spring sets then as they are cheap to buy as a set. Hopefully they will help the car I'm running Kit springs at the moment on a low/med grip asphalt track.
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Old 08-02-2013, 09:50 AM
  #4484  
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Which springs do you perfer on carpet?

What spur/pinion do you all run? I'm currently running a 4.12 fdr on my 2012 t3, but will be stepping up to a t4. The t3 is a 104 spur/48 pinion. Ideas?
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Old 08-02-2013, 10:06 AM
  #4485  
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Someone alert RCKnight, the T4'14 might have toe blocks.
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