TT02 should be only running off-road, do you agree?

I am going to ignore that discussion. It will lead nowhere.


Today I added some more stuff to my TT-02:

As you saw on the last picture, I replaced the rear shock tower with a front one. I had to wait until today for the carbon version (54632).
Then on saturday I discovered the rear arm mount with inserts of the SR for the first time (3451275 & 54922). Of course I had to add this
And finally a tweak for the rear body posts. The AMG GT body is very long behind the rear axle. I added TB evo 4 steering posts (9805952) to achieve a strong and long enough post.

The car can get really unbalanced with a light battery. I used two different sized batteries and the handling/blalnce difference was obvious. That being said, you can at least have all the weight down low if you need lead to get it back to balanced..

I didn't notice guys with short packs, but it might be worth trying.

Call me a naysayer but I would argue in favor of regular vertical bodyposts for your situation. On FWDs it makes sense to use horizontal posts because the bodies are high up and don't have too much overhang at the rear. AMX's solution looks certainly a thousand times better than Xray on their respective FWDs, no argument, and it can justify the drawback of having to drill the body at just the right height.

But on your TT02 you have a low body with a lot of overhang... and the blue extensions don't look that good to me TBH. So that means the body will not be held as well as it could be at the back (side-to-side+ up and down movement/vibration), you risk ruining a body by drilling it even slightly wrong, and so on. A lot is lost and not much (if anything) is gained. I guess the bottom line is: for such a nice car, you won't be able to avoid having shock towers made. But you already knew that, didn't you? Anyway I hope I don't come off as an a$$ as I am a big fan of your projects.

Edit: Wait, you can use the whole suspension from a 420 but you are not allowed to have proper towers made? Oh well.

Thanks,
if its legal (which I am not seeing where it isn't), it may allow for some nice weight savings as well as more strategic weight transfer if I want to add weights.

I have a TT-02RR on the way for some outdoor racing this summer. What's a good starting point for shock oil and springs as well as diff fluid? Anyone know where I could find some setup sheets? There's nothing for the TT-02 on petitrc.

With the addition of rear steer parts is the SR rear suspension update really needed ?
(does look cool though …)

Any worries about the top shock mounting moving in the slot ?

@tygertyger: Your criticism is on point. And I thought hard about how to get on with vertical posts. I couldn‘t find a solution without having to hack the parts. Custom designed parts are not allowed. But you can use parts of other Tamiya cars like the TRF suspension. With this car I stretched the rules. Nevertheless if you have a good idea let me know.

@jag88: Rear arm mount not only allows for a toe change, but also for kick up and anti dive adjustments and with it rollcenter changes. A nice improvement is, that I don’t need another brace to stop the hinge pins from falling out. Of course it was not needed much setupwise. The car has nearly every tuning part I can imagine, so why not make it perfect

@wtcc maybe try the old rear carbon stays for the tt02 (#54640). with them you can mount classic tt02 bodypost and use the hole direct under the post mount hole.

Try RCRacer, there is a lot of info on that site,
https://www.thercracer.com/2014/08/t...-and-tips.html

Look around, there is more than just that one article link I provided above. I think he even sells a top CF brace for the TT02 (yet it wouldn't be TCS legal).

Yeah, I've been reading RCRacer a lot. As an offroad racer, I'm just surprised that people put 500k oil in their front diff.

Surprised because it's so thick? Most on-road race cars use a spool up front so a super heavy fluid would help to mimic that while still giving minuscule diff action.

-melon

Yeah. It's just different than what I'm used to. If it works though... I'll give it a try.

Doesn’t matter if indoor or outdoor. A spool in front will be faster in 95% of conditions/ setup/ driving style. At least this is my experience. I know only one guy who is fast with a gear diff in front and his setup is unique.

As I am quarantined, I’m building some kits. I race with some friends in a TT League we created. It’s asphalt and concrete parking lot based, so grip is usually low to medium. I have one of the TT-02 Zakspeed Ford Capris and the body calls for the shorter 251mm configuration. I’ve always build the 257mm, but I really like that body style and nobody else is using it in our league. My question is, will this shorter configuration handle about the same or will it really affect performance. I have the 3 degree rear aluminum uprights like I usually install in my TT-02’s. Only using torque tuned motors, so the cars aren’t tremendously fast either. Thx for your help.