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Tamiya TB Evo 8

Old 05-07-2023, 11:19 AM
  #196  
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Any one running on Low/Med grip asphalt? I took it out yesterday with the kit setup in VTA and it was bad no rear traction on power. Any suggestions on what direction to go.
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Old 05-07-2023, 06:25 PM
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what do you call rear traction?
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Old 05-07-2023, 06:34 PM
  #198  
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I call rear traction the traction produced by my rear wheels. Are you asking to answer the question cause I am sure you can deduce what I meant by what I wrote or just to make a comment.
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Old 05-08-2023, 01:58 AM
  #199  
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Originally Posted by JUNI
I call rear traction the traction produced by my rear wheels. Are you asking to answer the question cause I am sure you can deduce what I meant by what I wrote or just to make a comment.
how much droop you running? I found kit setup pretty poor really.

Make sure your running 3 degrees rear toe in anything less on low grip is undrivable. I run 2.5 degrees on the blocks and then top it up to 3 with the tie rods
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Old 05-08-2023, 06:38 AM
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Originally Posted by hipwell
how much droop you running? I found kit setup pretty poor really.

Make sure your running 3 degrees rear toe in anything less on low grip is undrivable. I run 2.5 degrees on the blocks and then top it up to 3 with the tie rods
Thank you. Iím running 6 upfront and 5.2 rear for droop. I will increase my toe as I was running 2.5.
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Old 05-08-2023, 08:02 AM
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I would possibly go to 5.5 on the front droop too, itl allow a bit more weight transfer to the rear wheels on power.

Actually scrap that, might make it worse actually cos if it's on power, it's probably cos you've got too much rear end and not enough front.

Do the toe first, makes a massive difference
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Last edited by hipwell; 05-08-2023 at 10:27 AM.
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Old 05-09-2023, 12:29 AM
  #202  
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I also found running more droop front and rear decreased the tendency for power oversteering.

A couple of items for car setup. Does anyone use bearings oppose to the bushes with the rear diff?

With the shocks, I have found the box orings to be very leaky. I have replaced the original oring with some thicker orings with 3mm ID in one kit and placed a 0.5mm shims on the original orings with the second evo 8 that I have. Both sets stopped leaking and had minimal change with the damping action.
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Old 05-09-2023, 10:25 AM
  #203  
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Originally Posted by 200sxr
I also found running more droop front and rear decreased the tendency for power oversteering.

A couple of items for car setup. Does anyone use bearings oppose to the bushes with the rear diff?

With the shocks, I have found the box orings to be very leaky. I have replaced the original oring with some thicker orings with 3mm ID in one kit and placed a 0.5mm shims on the original orings with the second evo 8 that I have. Both sets stopped leaking and had minimal change with the damping action.
I have used bearings previously on my 419 diff, made no difference really, if anything it caused leaks from the outdrives.

The stock shock o rings are useless, i replaced them with axon or-so-001, no leaks now.

I did try using a 0.5mm shim with the tamiya o ring as you mentioned, it did stop the leaks to be fair, but did cause a little bit of extra drag so went for the axon ones.
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Old 05-15-2023, 04:29 PM
  #204  
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I'm upgrading my gear diff housing to aluminum and was wondering if there is any advantage to upgrading the metal bearing (copper color) to actual ball bearings?
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Old 05-16-2023, 12:03 PM
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Originally Posted by hotdognobun
I'm upgrading my gear diff housing to aluminum and was wondering if there is any advantage to upgrading the metal bearing (copper color) to actual ball bearings?
not really no
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Old 05-16-2023, 04:00 PM
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Originally Posted by hipwell
not really no
But while your upgrading, make sure you put the steel gears in the diff
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Old 05-16-2023, 05:41 PM
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Originally Posted by hipwell
But while your upgrading, make sure you put the steel gears in the diff
Steel ones are sold out everywhere so using plastic ones. I do have the steel ones on order but coming from overseas so might be awhile
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Old 05-17-2023, 04:26 AM
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Originally Posted by hotdognobun
Steel ones are sold out everywhere so using plastic ones. I do have the steel ones on order but coming from overseas so might be awhile
What country are you in? There's tonnes in stock in the UK
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Old 05-17-2023, 01:07 PM
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Originally Posted by hipwell
What country are you in? There's tonnes in stock in the UK
I'm here in the US but have one on order from a site in the UK. Hopefully the plastic gears will hold this weekend
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Old 05-20-2023, 12:35 PM
  #210  
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2nd week running now with the new setup, not a single grip roll and no glue on the tyres

Low roll centres is the way forward
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