Cast or steel i know its been talked about

[rumblefish360]

http://amccars.net/cgi/yabb2/YaBB.pl?num=1194214266

Thanks, just AMC stuff, pre MoPar years. So I guess that answers my question then.

“No”

 

[bearman]

Well looks like gm was doing some playing around with metals back in the day.

 

[wyrmrider]

cast cranks had to start somewhere
I think cast cranks work with lighter rods and pistons and do not work with heavier---work as in $$$