A Component Comparison from the Previous Year

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.

A timing chain guide has been added to the valve train system. The nylon chain guide is retained to the front of the engine block by two bolts.
The positive crankcase ventilation (PCV) system is now incorporated into the engine valley cover for both LS1 and LS6 applications.
The first design piston, pin, and connecting rod are to be serviced as an assembly.
First design applications use a piston pin that is floating fit to piston and press fit to the connecting rod. Second design applications use a piston pin that is full-floating to both the piston and connecting rod.