[ovalnator]

check to make sure nothing is binding in the suspension. Also take some digital calipers and check out the front kickup plate. If its slightly bent...get a new one. Also check to see if the front arms are flat.

 

[ovalnator]

www.walts-hobby.com
www.fountainraceway.com
www.tm-rc-racingcomponents.com

TM is an actual tire company, he can get you any compound you want. The 2 hobby shops listed above that have foams in stock that you can order.

 

[ovalnator]

usually, something around 30 shore will work at about every track.