Pete Horton is the proud owner of a 1968 428SD Blown GTO. One of the coolest street Pontiacs to be built at Spotts Performance is Pete Horton's blown 428SD. The 871 BDS blower twists pump gas from the demon carbs to a race prepped 428 4 bolt block with a 1963 421 SD forged crank. A special grind Comp cams hydraulic roller with Scorpion rockers activate the valves in the Edelbrock heads. The cnc ported E heads with 91 CC chambers and the dished Ross pistons (with Crower rods) combine for a compression ration of 7.6 to 1. Pete plans to drop this combo in his 68 GTO.