Questions about truggy conversion

Arrrgh, I got the Quark in yesterday and get this...it's bad. Cogs like a Neu on a MM. I tried everything. If it wasn't for bad luck, I wouldn't have any luck at all.

Actually, I put a MM, that I modified with 4 additional capacitors, and it just plain rocks.

I've also discovered that the 8ight isn't as bad as I thought it was. I spent some time tuning the suspension tonight and it's running OK. Zero bump steer, but it still pushes a bit. I'm going to try some heavier diff fluid in the center to see if I can get the front pulling a bit more.

GD, what springs are you running?