Originally Posted by Pe4atnik

Yeah! Thanks! I already tried 3000 and 5000 in diff and 5000 is better, but sometimes the rear of the car slips to the outside of the corner. I know that it is too much throttle, but that's too much control. I thought that rear swaybar will solve that - but not at all. I'm thinking about sanding the gears and tightening it.

The springs you mentioned - they are softer than kit ones?

I'd like to mention one strange thing for me - ball bearings! They don't have locks, so it's rather hard to open them, but it's rather easy to take carpet frame them without opening)))