Plucked from GM’s last track-day _special, the 2013 Corvette Z06, the Z/28’s port-injected LS7 V-8 is fortified with new pistons and titanium connecting rods whose bearing inserts are now spray-coated for improved durability. There’s also a cold-air intake, revised exhaust headers, and a repackaged dry-sump oiling system, but there’s more hardware that’s carry-over than new […]

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