[Bobcat]

Generalization .... heavy car , heavy flywheel , light car , lighter flywheel . Some of my squirt racer friends had a program that told them what flywheel weight to run . But , a fairly heavy flywheel helped off the line as the engine didn`t bog and helped keep the rpm up when shifting . Again , it required experimenting at the track . On the other hand , when I ran dirt track , the lighter you got the flywheel , the better ( for me ) . The car accelerated faster out of the turn and decelerated quicker when letting off the gas ( One year , I machined the counterweights off the crank ... boy , did it rev quick and decelerate fast .... also destroyed bearings fast ! ) . Flywheel weight , IMO , is a personal choice .... I happen to like a light flywheel , but if you have a really long cam , a heavier flywheel can help the idle and starting from a stop .

Bob