340 ?

I have not much experience with the 340, mainly 360's. was looking at a turbo 360 stroker, but that would mean using my 360 block which has only 1500 miles on a rebuild. a mate has offered me a stripped 340 +.030 bore, so thought I would put some good rods and forged dished pistons into it + the turbo. I do know that the 340 has a steel crank std.