Is this a 390 or 391? Block #'s are D4TE (1974 Truck Engine) with a mirrored 105 and a 13 underneath that. Tag on the block states it is a remanufactured block with a bore of 4.0. You can see some pics at:
http://www.capitalareacobraclub.com/...view_album.php
If I can get this engine for free, would it be worth rebuilding?
Catch ya later
Ed