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Old 06-24-2014, 01:03 PM
  #12076  
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Originally Posted by Cancun Tom View Post
I have an early TC3. The trans ratio is: 2.5:1
So to obtain a FDR of 3.6 I would need to run a 72 T (48pitch) spur with a (48 pitch) 50T pinion......that just doesn't seem right??? Am I missing something here? My tires are 2.57"dia. so that would give a roll-out of 2.25"
I am able to get the lower ratios running these:

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXYGN4
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXYGN3

They are a direct bolt on. I then pair them with 34 to 37 tooth pinions. I did have to remove some of the webbing behind the motor mount to make room for the larger pinion.

-melon
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Old 06-24-2014, 01:24 PM
  #12077  
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I bought a used TC3 recently. I've got three others. What's different about this one is that the chassis tub is in great shape, but there are no pads on the chassis for the droop screws to press against. The A-Arms don't have droop screws either.

Earlier version of the TC3?
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Old 06-24-2014, 04:56 PM
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Greetings Indy. I'd picked-up a used roller several years ago and discovered the same thing(s). I was always under the impression that this [chassis] was a rally car version of the TC3.Anyways, i'd held on to it as a parts car-it's still whole in a drawer.
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Old 06-24-2014, 05:46 PM
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Originally Posted by IndyHobbies.com View Post
I bought a used TC3 recently. I've got three others. What's different about this one is that the chassis tub is in great shape, but there are no pads on the chassis for the droop screws to press against. The A-Arms don't have droop screws either.

Earlier version of the TC3?
yes, on the first TC3's droop was adjusted with shocks later came the extra hole for shock position and droop screw known as V2. Arms with droop setting will work just fine on that chassis ... there is just enough for the set screw to rest on

rally coversion was just 200mm arms, cvd's & turnbuckles, a new bumper, longer shock shafts with buggy springs and some wheels and tires.
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Old 06-24-2014, 06:05 PM
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A question for rc gurus

Which scenario would be more preferable. A larger spur gear and a larger pinion gear or a smaller spur and a smaller pinion gear....

55/37--- 3.7162 final drive for tc4 or

52/35--- 3.7143 final drive for tc4.

Would one be more durable or efficient than the other?

I know this is the tc3 thread but u guys were talking about gearing..
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Old 06-24-2014, 10:18 PM
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personally i would use what made the car balanced better with the rest of my componants
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Old 06-24-2014, 10:38 PM
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I would go with the 55/37 just because of the better gearing range for most motor: 17.5t, 21.5t, 13.5t(big track)..
Originally Posted by SouthFloridaApp View Post
A question for rc gurus

Which scenario would be more preferable. A larger spur gear and a larger pinion gear or a smaller spur and a smaller pinion gear....

55/37--- 3.7162 final drive for tc4 or

52/35--- 3.7143 final drive for tc4.

Would one be more durable or efficient than the other?

I know this is the tc3 thread but u guys were talking about gearing..
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Old 06-24-2014, 10:44 PM
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Originally Posted by SouthFloridaApp View Post
A question for rc gurus

Which scenario would be more preferable. A larger spur gear and a larger pinion gear or a smaller spur and a smaller pinion gear....

55/37--- 3.7162 final drive for tc4 or

52/35--- 3.7143 final drive for tc4.

Would one be more durable or efficient than the other?

I know this is the tc3 thread but u guys were talking about gearing..
I would suggest the the 60T, I think it allows the largest range of pinions. I am on the third summer season with the same spur using Novak 21.5 blinky....Or for the price get a 55 and a sixty. Some guys here run 55 some 60, You pays your money and takes your choice !!!!! The 52T limits pinion size in the other direction. Have fun!!!!

BE
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Old 06-25-2014, 08:56 AM
  #12084  
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Originally Posted by moparSRT View Post
yes, on the first TC3's droop was adjusted with shocks later came the extra hole for shock position and droop screw known as V2. Arms with droop setting will work just fine on that chassis ... there is just enough for the set screw to rest on

rally coversion was just 200mm arms, cvd's & turnbuckles, a new bumper, longer shock shafts with buggy springs and some wheels and tires.
Thanks MoparSRT and Oreo! Knowledge gained.
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Old 06-25-2014, 06:02 PM
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.....Knowledge indeed.For what it's worth, after crap-tastic day of work especially a race day during the winter months[when I can't race because of work], i'd open the drawer where my tc-3's are,and tinker a little.....eventually leading to a Diggity conversion.

Last edited by oreo; 06-25-2014 at 06:06 PM. Reason: grammar
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Old 07-31-2014, 08:09 PM
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Hey guys,

Just pulled my TC3 off the shelf for some fun and the first thing i need to do is replace the wheels/tires. I have tried reading through this insane thread and still have some questions about what wheels will fit on there.

I am looking at the HPI 26mm wheels but i am seeing some say they fit right on and others saying you need to drill the holes. Some are saying i need to get the aluminum hexes.

I have a V1 team kit with the plastic hexes.

Can anyone let me know what the best approach is for replacing the wheels?

Also, any other obvious upgrades?

Thanks so much!

jB
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Old 08-25-2014, 08:04 PM
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Originally Posted by Jason Baliban View Post
Hey guys,

Just pulled my TC3 off the shelf for some fun and the first thing i need to do is replace the wheels/tires. I have tried reading through this insane thread and still have some questions about what wheels will fit on there.

I am looking at the HPI 26mm wheels but i am seeing some say they fit right on and others saying you need to drill the holes. Some are saying i need to get the aluminum hexes.

I have a V1 team kit with the plastic hexes.

Can anyone let me know what the best approach is for replacing the wheels?

Also, any other obvious upgrades?

Thanks so much!

jB
For those that might have the same question....

I bought the HPI 26mm wheels and they fit right on the stock hexes without a problem.

jB
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Old 08-25-2014, 08:10 PM
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Just ordered a full set of Avid bearing for the TC3. Here is a list of what i bought.

(8) 3/16 x 3/8 x 1/8 Revolution - Hubs
(4) 3/16 x 5/16 x 1/8 Metal - Diff
(4)1/8 x 1/4 x 7/64 Metal - Steering
(3) 3/16 x 3/8 x 1/8 Ceramic Revolution - Input shaft outside Front, Input shaft rear, and Drive bearing
(1) 3/16 x 3/8 x 1/8 Ceramic Metal - Input shaft inside front
(4) 3/8 x 5/8 x 5/32 Ceramic Revolution - Outdrive Hubs

jB
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Old 10-12-2014, 10:04 AM
  #12089  
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Indy RC Racer built this TC3 for me out of as much BLUE stuff as we could find! We raided his parts box and mine. Together, we have a BLUE beast! Yes, that's a brushed motor, but it was BLUE! Indy RC Racer says there is more blue TC3 stuff out there that he's seen over the years, so I'll start looking... The KISS body I airbrushed was the BLUE-est one I had.





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Old 10-12-2014, 04:58 PM
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Originally Posted by IndyHobbies.com View Post
Indy RC Racer built this TC3 for me out of as much BLUE stuff as we could find! We raided his parts box and mine. Together, we have a BLUE beast! Yes, that's a brushed motor, but it was BLUE! Indy RC Racer says there is more blue TC3 stuff out there that he's seen over the years, so I'll start looking... The KISS body I airbrushed was the BLUE-est one I had.





I've seen blue aluminum diff covers, control arms, chassis braces and a few other things.
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