Does anyone have an opinion or experience with the Man-A-Fre rebuilt High-Performance 2f Engines? Is the Crank Alignment thing a legitimate selling point or is it bologna or something that most modern machine shops do anyway? They also reference a 5 blade carbide valve seat grinding machine that is superior to common methods that I wonder about. If I stick with the 2f the plan would be a rebuild, bored out as much as possible, decked head for higher compression and a TBI. I am almost ready to give up on the 2f completely. If I could somehow get a 2f to run reasonably smooth and drive me down the highway at 70 without having to shove the accelerator down as far as possible I would be happy. If I could realize ~200hp out of the engine I would be ecstatic.