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I really want to compete in local 1/10 rally competitions, but my Himoto car doesnt pass the scale requirements. I want to to put my electronics and engine (except broken servo) onto Tamiya TT-02 chassis. I need my build somewhat competitive with XV-01. I have a brushless KV3210 engine, and as i know, key to compete with better things is proper gearing. So i want to squeeze the most out of my engine while keeping the car good for rallying. As I calculated, stock 22/70 gearing = 26 KPH. My 19/48 gearing = 32,7 KPH. Random internet guy's reccomended 29/64 gearing = 37,5 KPH My questions are: Can my gears be compatible with the chassis? Do i need to buy exactly tamiya-branded gears? Most important: Can you recommend me the best ratio for me? How do I know if my calculated "perfect speed" ratio will damage the diffs? Well no one stops me from getting a 55T pinion and 50T spur gear milking them 91 KPH. Type of races I want to compete in: This Toyota looks like it has too much power... Maybe gear ratio for better steering and acceleration, not top speed? Idk I'll be on race here tomorrow. Looks like this car (1:27) is too grippy... I actually plan to run my car both awd rally and goof around 2wd drifting SIDE NOTES: I know i'll have to "modify" the chassis to be more rally-acceptable and buy some hop-ups like proper shocks and bearings. You're welcome to suggest more things I could upgrade.

From my best and worst Tamiya thread comes the sequel, best and worst hobby grade RC from any brand! And when I say best/worst, I mean fun vs annoying. Best: I would still rank my Grasshopper as my favorite, it doesn't handle and anything more than a 380 flips it over. But it looks neat, goes forever on one battery, and I enjoy the simplicity of it. Restoring it got me back into the hobby and introduced me to Tamiya RCs. Worst: If you consider WPL Hobby grade I'd vote my C24, but outside of that I had a Traxxas Rustler (an early one to be fair) that loved to burn motors, MSC meant it was hard to drive. Trying to revive it taught me a lot about gearing, wheel size, and ESC vs MSC, but it almost burned me out on the hobby. Newer models have much better transmissions, electronics, room for proper bearings, and left stock they aren't half bad, arguably better than a Slash for newcomers.

Hello everyone, I’ve just joined as like others (I expect), the lock down has caused me to go down memory lane and get back into RC cars. My first was a Falcon back in the early 90’s. I am hoping someone could provide me with some much needed advice, please. Im currently trying to get my mates Lunchbox to run. He bought it off eBay, it had an old MSC (now replaced with an official Tamiya ESC), but every time I turn it on, it keeps flinching/glitching, with some of my commands being met, then it gets erratic, and can zoom off by itself. Please, does anyone know what a solution could be? Servos are still the originals from when it was first assembled, and the transmitter is an old Acoms 27MHz with matching crystals (No. 6, Blue), stick type. Reciever is the old one, maker is ‘Beat2’. Should I replace the steering servo and also transmitter/receiver. Any help is greatly appreciated.

I am new to R/C cars and I would like to upgrade the motor on my Grasshopper but I am not sure which to go for. I would like to get a brushless motor but I am not sure where to start. Any suggestions? Also, ignore the lights, I have not drilled holes for them yet!