Thanks.
The block was not machined. I bought it from a guy who bought it from a guy 8-) who had apparently rebuilt it. It's on its first overbore, I think - .040 over, no ridge and in general is in very good shape. I just wanted to add the 4MF (?) cam and headers for a little more top end. The truck is 4.46 rear gears and so it needs to spin a little for highway use. It's a 3/4 ton, 8-lug axle, so taller gears aren't quite so commonly available. Besides, I like the pulling power.
I'll find a local machinist willing to do it. $30 is reasonable. Heck, $50 wouldn't kill me.
Thanks!
George
