Right, he accidentally rebuilt 5 or 6 engines with iron pistons. That happens a lot, while Roosevelt was president. Not so much since WW2.
I guess that would depend on when you were rebuilding engines after WWII and what engines you are referring to. Kurt's post is pertinent for those of us who only know Stovebolt engines. Eight years after WWII, aluminumrips tons or cast iron pistons were used on different 235 engines, and cast iron pistons were used on all 216 engines. In 1954 all Stovebolt engines used aluminum pistons (cast alloy aluminum).
Of course, this thread started referring to a 350 engine. I thank those who posted replied that sought to teach us rubes something about those later small block GM eights. As others eloquently posted above, this forum is best used as a venue to help, explain, and advise.
