18.06.2011, 01:00
The L82 had 4-bolt mains, forged crank, forged alum. pistons, a hi-perf .450/.460 lift cam, and 2.02/1.60 valve heads. The L48 had 2-bolt mains, cast crank, cast alum. pistons, standard perf .390/.410 lift cam and 1.94/1.50 valve heads.