Just got good news that the flathead block I bought last year checked out OK after a hot tank and mag. It's for my old truck and I don't want to build a nasty street machine or anything. Stock stroke, 3/4 cam, 4 barrel intake and Edelbrock heads and probably a hotter ignition. My plan is to get the surfaces cleaned up, bored out to the next higher number (.010, 020, 030), and new cam bearings installed. I was then going to bring the block back home and install one of H&H's stock 3 3/4 crank kits myself. Does this sound reasonable? The machine shop warned me that sometimes the aftermarket pistons/rings can be off by a few thousanths. Is it worth just having them do the install, or is this something I can do myself?