Light as possible while still having enough weight down low to keep it planted. Also depends how scale you want it to look. I have two 1/18 Traxxas TRX4M's they are nice rigs, They are good if you want to keep everything scale looking. Their hard bodies tend to be a little top heavy. But they...
I played around with mine yesterday, put a set of tires and wheels I had sitting around from one of my Deadbolts on it. Tried adding wheel weights but it bogged it down really bad so off they came. I was looking at the servo and yep it hits the front pumpkin when the front suspension is...
Have to look when I get home, pretty sure it's the same chassis different body. Have enough different mini's now it's hard to remember how each is set up. Hey whatta ya want, I'm old!
Looks like your getting it tuned pretty good. If you pick up an SCX24 might I suggest the DEADBOLT. Best performing SCX24 right from the box with a good sale price right now.
I've got the 1/24 Ecto, compared to my other crawlers in that scale it's a little anemic. It's not bad, it just doesn't have much umph. I don't know if it needs more tork, or a little more weight but it needs something.