1968 Oldsmobile 442 I Have owned this car for over 30 years. It has a 455 bored 30 over with roller rockers and lifters. Two carter 500 cfm carburetor’s with offenhauser intake. MSD 6al with a MSD billet distributor.Comp Cam. Original Muncie 4 speed,original 12 bolt rearend with 3.91 ratio. American Tourque Thrust II with BFG tires.