Want sick power from a basically stock engine? Try a 401. Using factoryheads on the portly 4.170-inch bore, you can build torque where itcounts and still make good power on top with a reasonable cam, ...

While no supercharged AMC 401 buildup can truthfully be called a budget effort, the plan was still to avoid breaking the bank on the way to horsepower-hero status. So Larry's decided to retain the ...