Hey everybody, my father and i have a 65 belvedere with a .30 over 440 that currently has a best time of 12.70 at 105.6 at 3725 lbs. We were thinking of going one size bigger while keeping the hydraulic style cam. What would be the pros and cons of doing this? do you think that we would pick up any time? the car has a 2800 stall converter, ported and polished heads, cast crank, 850 holley DP. it also has 4.10s and dual plane mopar intake. Any input would be helpful. Thanks Mike.