Ditching the stock 2.92 axle for the 3.27 Camaro LSD (limited Slip)diff. PPV and G8's both come with 2.92 and the smaller 195mm ring gear. 2010-15 Camaro's with V8 or with a manual transmission will have the larger 218mm ring gear. Camaro ss with manual transmission can be found with 3.45 ratio.