Quote:
Originally Posted by Barry_R
Aluminum shifts and moves more than iron under heat and stress. I am in the apparent minority here - but I really prefer iron blocks. Not old busted up ones though.
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My truly smart friends, who are clearly a minority of people that I know

, feel the same way. FWIW, I went with a nice clean 428 CJ block .025 over. Eventually though, aluminum will be the only reasonable cost alternative.