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Traxxas 4Tec2.0 Ford GT...this thing is awesome!

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Traxxas 4Tec2.0 Ford GT...this thing is awesome!

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Old 09-09-2019, 06:10 AM
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https://m.traxxas.com/products/model...-2-vxl-chassis


it should list the high speed gear combo in there.


The VXL system is ok. For most it works fine an holds up. I’ve got 8/9 year old cars that still use it. On 3s heat tends to be a problem. The heavy Traxxas bodies don’t let air in as easy as standard touring car bodies.
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Old 09-09-2019, 06:21 AM
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Originally Posted by Billy Kelly View Post
https://m.traxxas.com/products/model...-2-vxl-chassis


it should list the high speed gear combo in there.


The VXL system is ok. For most it works fine an holds up. Iíve got 8/9 year old cars that still use it. On 3s heat tends to be a problem. The heavy Traxxas bodies donít let air in as easy as standard touring car bodies.
I will always run 3S, but I made touring car bodies for mine, so it shouldn't be a huge problem.

I also bought a heat-sink and fan for the motor, so hopefully that helps.

Thanks for the info!
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Old 09-09-2019, 06:31 AM
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Originally Posted by Hoyle33 View Post
I will always run 3S, but I made touring car bodies for mine, so it shouldn't be a huge problem.

I also bought a heat-sink and fan for the motor, so hopefully that helps.

Thanks for the info!
I used to only run 3s with Touring cars. But got tired of replacing tires.
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Old 09-09-2019, 12:09 PM
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2S is the way to go with a T/C. So much more drivable.
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Old 09-09-2019, 12:11 PM
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You're both technically right, but 3S is too much fun tires are worth it for now

I also have a radio that can turn down the amount of power so no need to even switch to 2S when I want to go slow

I'm also using it as a basher so I expect to break and wear stuff fast
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Old 09-09-2019, 01:25 PM
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It's your car man. It's supposed to be fun for the user, lol. The guy that got me back into RC 18 years ago once said, "If it ain't broken, you didn't have enough fun". While this is not necessarily status quo for a race kit, for a bashing level car like the TankTec, it's perfectly suitable. I managed a top speed in my TankTec with a 2s, Castle 5700 Sidewinder, 62/31 gearing, of 63mph. It was stupid fun. When we changed locations, I had to tune it down big-time.. the 5700 was way to much for the "road course".
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Old 09-09-2019, 03:35 PM
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Pretty sure when I went to install the high speed gear set, I forgot to click the retaining pin into the spur gear. Thatíll be a $3 fix lol

Has anyone upgraded the servo saver? Hot Racing has an aluminum one for $18 on Amazon that looks good.



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Old 09-09-2019, 06:55 PM
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You are better off picking up one of the HR steel spur gears.
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Old 09-09-2019, 07:35 PM
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Originally Posted by Knockoffracer View Post
You are better off picking up one of the HR steel spur gears.
I’ll give the Traxxas ones a true test before buying the HR steel spurs. $4 shipped vs $20-25 is worth a try first

For the 2-3 runs that I was able to make before it broke, this thing was stupid fast

Perfect for my strip of road in the neighborhood there's a few guys that have come out with their sons to watch me drive around the last few days

I love that I can turn the power down to let them or their kids try it out
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Old 09-10-2019, 04:31 AM
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I’ll give the Traxxas ones a true test before buying the HR steel spurs. $4 shipped vs $20-25 is worth a try first
Stripping the pin on the spur is pretty common. Clicking them together is important but not a given that it won't still strip. A support bearing behind the spur helps but the steel spurs are the way to go. Some spare pins in the parts kit is probably a good idea too!
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Old 09-10-2019, 05:59 AM
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Old 09-10-2019, 05:59 AM
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Originally Posted by Hoyle33 View Post

Iíll give the Traxxas ones a true test before buying the HR steel spurs. $4 shipped vs $20-25 is worth a try first

For the 2-3 runs that I was able to make before it broke, this thing was stupid fast

Perfect for my strip of road in the neighborhood there's a few guys that have come out with their sons to watch me drive around the last few days

I love that I can turn the power down to let them or their kids try it out
Awesome! Get them hooked!

I've gone through a few of those plastic Spurs. As a matter of fact, there are 8 Tanktecs in my group of friends. ALL of us have ditched the plastic spur gear for the reason you are replacing them. Once you do get the steel gears... You must avoid alloy pinions, and stick with the hardened steel ones. If not, that steel spur will turn them into a roller bearing.
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Old 09-10-2019, 06:24 AM
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Originally Posted by Knockoffracer View Post
Awesome! Get them hooked!

I've gone through a few of those plastic Spurs. As a matter of fact, there are 8 Tanktecs in my group of friends. ALL of us have ditched the plastic spur gear for the reason you are replacing them. Once you do get the steel gears... You must avoid alloy pinions, and stick with the hardened steel ones. If not, that steel spur will turn them into a roller bearing.
Is the factory 35T "high speed" pinion made of alloy?

Googling finds me nothing

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Old 09-10-2019, 06:36 AM
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Hardened steel pinions from Traxxas are black. If it is the grey metal, it's not hardened steel. This does not go for all manufacturers. But typically a hardened steel pinion or spur is going to be quite dark in colour.

Years ago, HPI released lightweight aluminum pinions, those where black, used one and it had less teeth than I do after a full throttle hole shot... OOPS. lol.
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Old 09-12-2019, 05:18 AM
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I’ve had the Gravity pre cut foams on since December 5, 2017. Almost all has been unconventional practice. Unprepared pavement. Definitely will try again once find the wider wheel hex. I’ve got them just need to find them. If I was starting a 4Tec race group, I’d really have to consider these as an option. It’s different. But doesn’t take long to adjust


Found a old set of Hpi VTA Tires. At least 7 years old. See what happens.
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