Corvette/Camaro LS1 differences
97-98 Corvette LS1 came with a return fitting on the fuel rail.
98-up LS1s have center bolt valve covers versus perimeter bolts.
01-02 Camaro LS1 came with the LS6 intake.
97-00 LS1s had EGR provisions. 01-up does not.
98-00 Camaro LS1 has a larger camshaft than 01-02 Camaro LS1.
98, 01-02 Camaro LS1 came with 28lb/hr injectors. 99-00 came with 26lb/hr
02-up LS1s came with MLS head gaskets.
Lots more info in here:
https://ls1tech.com/forums/new-ls1-o...questions.html


