Hi,

Carbon Graphite (C FRP), graphite composite and aluminum parts offer rigidity, while flexibility is very limited. Among the 3, carbon graphite is the most flexible one. They are good at increasing chassis reaction. They don't twist nor flex and transmit energy right away.

Nylon composite or something like plastic provides more flexibility and good in absorbing impact from crashes. These parts are less reactive.

Your case is like paying tunes of cash and making your chassis a pain. First of all, the brushless system is too fast making it very hard to handle and with that speed, everything breaks easily. Second, your aluminum upgrade is correct in some way, but not to everywhere. You only upgrade wherever is necessary. Aluminum alloy has lots of gradings, depends on how much you pay. Some alu alloy such as 7075 is really strong. I guess you will not find 7075 parts for Mini-T as they are too expensive.

If I had a Mini-T, I would only upgrade the motor (not brushless) and it will bring lots of fun already. The parts need to stiffen I could think of are the shock towers, rear uprights and front knuckles. I will never have 2 aluminum parts sitting next to each other such as lower arms and uprights, bulkhead and lower arms. Something has to absorb the energy from crashing. I prefer breaking than deforming. I don't really like using low price aluminum parts.

Lightweight will cause less casualties but your breaking and bending is about speed. I bet you cannot get 30gms off from those parts switched back to nylon resin or plastic.

Going extreme is always another way to say goodbye, turn speed down and you should be happy again. Driving pleasure is always more important than insane speed.

Thx

Joaquim