I can get my 12th around the track pretty well. But I am working on making sure I put the same car down to race every time. As little as there is to change in set up in a 12th scale, I have found there are many areas that fall into the "execution" of a set up that make large differences. I don't mind replacing worn parts, chunked tires etc, but I am having some issues with consistancy and don't know what to attribute them to. Can anyone offer their insight into the following thoughts . . .Any other info about things y'all check when you "blueprint" your cars would be great too. Im running a 12r5 on low to medium grip carpet, but any info would be great.

Collapsed springs; myth or not?
If not what method do you use to identify it? How often do they collapse? Do y'all check every run?


Unequal "droop" in the front king pin. Assuming new springs and tires, when one side has vertical play should you shim both sides the same or just add shims without regard to the number untill the play is gone?

Tweak: On my Rev5 I never checked tweak. I just left the springs all the way up and it seemed to work fine. With the AE it takes A LOT of turns on one screw to get the car centered, but then on the track it spins one way and pushes the other. If I just back both springs all teh way up the car looks tweaked on the tweak board, but drives equally left to right. Im sure I have a problem, but Ive already checked what I know to check: tires same size, new front springs, front end, side links and center link not binding, rear axle centered, front rear and middle right height at 3.5 mm, new bearings in diff, rear axle, and front wheels, and I can't find the issue.

Thanks guys!