While the LS5 was the most widely available and made an impressive 390 hp and 500 lb-ft of torque in the 1970 Corvette LS5, the LS6 in the Chevy Chevelle SS was a monster. It made 450 hp and 500 ...

The LS6 engine was used in Chevelle, El Camino, and Corvette models ... LS6 was dropped following the 1970 model year, partly due to low sales, leaving the LS5 as the top option for the rapid ...