If I use an earlier (lighter) flywheel (with corresponding counterweight), with 83-85 (lightest) rotors do I have to have the engine rebalanced? Someone told me that I'll eat up bearings and ruin motors if I dont have it balanced. This would be on a 12A setup for IT7 if that makes a difference

[This message has been edited by Rx7Carl (edited October 10, 2002).]