[Snake2998]

With your diff ratio I would stay standard weight especially for road use with lots of stop starts where the lighter the flywheel the more clutch slip you will need to get moving. Light weight flywheels are only of real benefit for serious track racing

To quote Google:
Cons of Lightweight Flywheels

Reduced Off-the-Line Performance. If you want to maximize performance from a standing start, a lightweight flywheel might not move you in the right direction. ...
Rough Engine Feel. With a lightweight flywheel, the engine will feel rougher while running. ...
Gear Rattle.