May 23, 2011· 2) Alum-I-Crafts and Funco's are known for safety and strength. Chenowth, Jimco, and Sand Limo have been in the racing scene for years, SU, SCU, Tatum, Sniper, DTD, etc are mainly sand cars. Some MFR's do make dual sport chassis that can be SCORE tagged. 3) LS motors are not the fastest. Lightweight=fast.