Engines built in the 1960s and earlier with leaded gasoline in mind can benefit from a lead substitute to help prevent valve recession and engine knock.
Murray Pfaff has built some of the baddest cars imaginable, including “FireMaker,” which makes a ton of power and a pair of flames from its flamethrowers.
Randy and Sydney Weaver, of Weaver Customs, keep raising the bar for show-stopping custom vehicles. Check out their latest build…and watch their story.
