I just weighed my iron mega block. 266 lb. Tim banning said in an email that the KB block weighs approximately 180 lb. So that is an 86 lb saving. Still very significant, but not as dramatic as what has been assumed.

[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
"Wise men talk because they have something to say; fools because they have to say something. ~ Plato"