With the 2013 Shelby GT500 putting out 662 horsepower and 631 pound-feet torque, we’re guessing that more than a few owners of the new Chevrolet Camaro ZL1 will be looking to even things up via the aftermarket. The speed-obsessed guys over at Lingenfelter Performance Engineering are already putting a few options on the table with a three new upgrade packages that boost the supercharged 6.2-liter V8 to anywhere from 630 to 700-plus horsepower. Funk Flex
Chevy stops halts shipments of Camaro ZL1 over potential quality issue
GM Inside News has obtained a letter from Russel Clark, Director of Marketing for Chevrolet small cars, small utilities and performance cars, to dealers informing them that shipments of all 2012 Chevrolet Camaro ZL1 produced to date are being held by General Motors for a “quality assessment.” Funk Flex
