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Old 03-16-2015, 01:55 PM   #1096
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I'm currently running 83/50 with 65p gears.
Using the Exotek adapter I'm at 52T pinion with 72T spur.
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Old 03-19-2015, 07:03 AM   #1097
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Last weekend was TCS and what a difference the older c-hubs made! Not a single broken one the entire weekend.

Overall I did horribly, but at least I wasn't a DNF in any of the quals/main. I will say those C compound tires SOAK up the traction compound like crazy. Usually I have to wipe my tires off before tech, but these tires were 100% dry just minutes after application (LGC).

Other than that, the only problem I had was due to a bonehead mistake after rebuilding the diff. The diff was leaking (forgot to use AE green slime) so I tore the rear end apart, rebuilt the diff, and buttoned everything backup. I put it down on the track and walked up the drivers stand. Gave it some throttle. The wheels spun (kinda) but the car went nowhere. Walked down picked the car up and flipped it over. Gave it gas and....WHAT THE HECK?? The fronts and rears are rotating in opposite directions. In my haste to get the car back together I flipped the diff left to right.

Now that TCS is over I plan on converting it to either VTA or USGT for asphalt season. Yesterday I switched over to the 51255 evo5 ring gears. MY GAWD why wasn't this the gear they included in the kit?! The drive train was instantly smoother and quieter.
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Old 03-19-2015, 10:01 AM   #1098
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Good info!

I've been researching the parts compatibility lists, and boy am I glad that I still have all of my 416 style arms, hubs and knuckles. They all should fit. And yes, the older c-hub is a much stronger looking design, and if you're not running the DCJ, will work without issues.
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Old 03-19-2015, 12:51 PM   #1099
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@Samich

I've done the same bone head move many times. That's why I prefer belt driven cars, if you install the pulley reversed you will instantly know.
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Old 03-19-2015, 07:24 PM   #1100
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Change of plans for my summer events so selling off my TB04 Pro2 .... built with all the goodies and a 17.5 to go.

Tamiya TB04 Pro2 - Never Ran - Fully Hopped
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Old 03-23-2015, 06:04 AM   #1101
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Gotcha. Thanks for the info.

It's currently set up for USGT and I plan on running it in GT3 for TCS, but afterwards I'm thinking about converting it to a VTA ride.

I'm looking for the 51255 and 51109 (or 51110) gears but can't seem to find them in stock anywhere.

My go-to place is usually TQ, but no joy there. Are there any other domestic suppliers of Tamiya parts? Tower and Speedtech were dead ends as well.
Questions on 51255 and 51109. Are these direct fit? I'm assuming it still needs to be shimmed. How will FDR and performance be affected?

Lastly, why does it seem that I see some guys selling their TB04s (and EVO6s)?
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Old 03-23-2015, 07:35 AM   #1102
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Questions on 51255 and 51109. Are these direct fit? I'm assuming it still needs to be shimmed. How will FDR and performance be affected?

Lastly, why does it seem that I see some guys selling their TB04s (and EVO6s)?
I'm selling mine because I bought a 419. Otherwise there is nothing wrong with the car, it's fantastic
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Old 03-23-2015, 07:42 AM   #1103
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I'm selling mine because I bought a 419. Otherwise there is nothing wrong with the car, it's fantastic
I see... So are part numbers 51255 and 51109 direct fit?
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Old 03-23-2015, 07:47 AM   #1104
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I bought them but never installed them. I believe you will need some shims, but nothing too drastic
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Old 03-23-2015, 07:58 AM   #1105
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I bought them but never installed them. I believe you will need some shims, but nothing too drastic
If you have any information, what would be the FDR of the car after installing this? I also read somewhere that this will quiet down the car.
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Old 03-23-2015, 09:33 AM   #1106
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If you have any information, what would be the FDR of the car after installing this? I also read somewhere that this will quiet down the car.
The 51255 gears bolted right on for me, but I can't remember if I have it shimmed per the manual or if I already did some adjusting. The 51109 needs to be slightly modified (I haven't done that part yet). See this post for more info:

Tamiya TB04 Pro

The box stock ratio (40/16) is 2.5.
With the 51255 gears (39/16) it's 2.4375
With the 51255 and 51109 gears (39/17) its 2.2941

For me, the drive train was much smoother after I installed the 51255 gears. After talking to other racers at my local track, based on what they're running I might not even need to install the 51109 gears to get to the same FDR they're using. Nonetheless, I'll keep the 51255 gears in.

As for the number of TB-04's that have been popping up in the for sale section, that was a little surprising to me as well.

I bought it since I wanted to run another class besides mini at TCS. I thought about getting a TA-05v2, but I liked that the TB-04 Pro II came the 418 suspension bits and the nice shocks. I'm still getting use to mine, but the only real complaints I have are:

- gearing / difficult to set mesh
- heavy
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Old 03-23-2015, 09:44 AM   #1107
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Quote:
Originally Posted by Samich View Post
The 51255 gears bolted right on for me, but I can't remember if I have it shimmed per the manual or if I already did some adjusting. The 51109 needs to be slightly modified (I haven't done that part yet). See this post for more info:

Tamiya TB04 Pro

The box stock ratio (40/16) is 2.5.
With the 51255 gears (39/16) it's 2.4375
With the 51255 and 51109 gears (39/17) its 2.2941

For me, the drive train was much smoother after I installed the 51255 gears. After talking to other racers at my local track, based on what they're running I might not even need to install the 51109 gears to get to the same FDR they're using. Nonetheless, I'll keep the 51255 gears in.

As for the number of TB-04's that have been popping up in the for sale section, that was a little surprising to me as well.

I bought it since I wanted to run another class besides mini at TCS. I thought about getting a TA-05v2, but I liked that the TB-04 Pro II came the 418 suspension bits and the nice shocks. I'm still getting use to mine, but the only real complaints I have are:

- gearing / difficult to set mesh
- heavy
Thanks for the information sir. I do like the TA05v2 as my main car. In my experience, parts are still abundant. Fun to build and hop-up. I am more into building than racing.

I plan to use the TB04 as my track car because of the sealed drivetrain.
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Old 03-26-2015, 08:05 PM   #1108
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Hey guys quick question, what's the difference between the TB-04 alum. shock stay mount and the TB-03 one.

Here is the picture for the TB-04 mount
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Tamiya TB04 Pro-image.jpg  
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Old 03-27-2015, 02:36 AM   #1109
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Hey guys quick question, what's the difference between the TB-04 alum. shock stay mount and the TB-03 one.

Here is the picture for the TB-04 mount
I read that in an article. It said that mount will reduce the number of spacers on the shock mounts. I plan to acquire those when my budget allows it. It is similar if not the same as the TB EVO 6s shock stay mount.
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Old 03-27-2015, 05:07 AM   #1110
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That's a lot of weight high up for something that isn't going to make the car faster, IMO.
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