Arma-steel vs cast steel might be a good topic for explanation as they possibly have a little deception in common. There are a good quantity of old iron cranks around from GM sporting the Arma st...
What is the size of st crank shaft I have bought one and I need to if it is actually st or something else
How is "Cast Steel" allowed to be marketed, since it's nothing but a fancy name for cast iron. Steel has less than about 2% of carbon. Cast iron has considerably more. Eagle is on record as sayin...
Great article presented in layman terms that us non professionals can comprehend.