All batteries, motors and wheels must comply to IFMAR rules. 2wd weight limit = 1499g 4wd weight limit = 1613g Battery voltage not to exceed 8.40v. *Subject to random inspection IFMAR rules govern all other technical specifications. All races are 5 minutes in length. Each vehicle must past post tech before heat results are official. Only Invitational drivers (or approved substitute) will turn marshal invitational races. |