GN7 On the Dyno
I don't have a lot of LS experience, but this is one we've started for a customer in the mid west;
438ci, LSX block, full ARP, Callies Magnum crank, Callies Ultra billet rods, custom JE nitrous pistons, Total Seal rings, Mast Motorsports Black Label heads, T&D shafts, Holley EFI/intake, Straub...