jeep_man_401 It looks like a secret blueprint for a huge forged stroker crank, something in the 480 to 520cid range. :mrgreen: Actually knowing you, it is the original blueprints for a 401 or 360 crank? How you get those is beyond me... :-| But at least they are in the hands of someone that has the love for AMC and skill to make something from them!
