Engine Balancing: Notes
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
The 1997-2004 5.7L LS1/LS6 engine with crankshaft balancer is a balanced assembly. On manual transmission applications, the flywheel, clutch, and pressure plate is also a balanced assembly. During the powertrain build process, balance weights may be added to the crankshaft balancer and/or flywheel as required.
In order to maintain engine/clutch assembly balance, it may be necessary to install or remove balance weights as detailed below: