You can find all about Charlie and his Scalded Dog Speed Equipment on his web site.http://www.secretsofspeed.com/YAPPINC.htm
There are lots of guys making Ford Four Banger Speed Stuff. OHV and OHC heads. Fuel injection, modern ignitions, ETC.
Terry Burtz in Campbell, CA is bringing a new Model A Ford long block to market. http://www.modelaengine.com/
Cast is green sand as Henry did to keep them looking original on the outside the inside is completely new design. Five main bearings, Counterbalanced crank, H beam rods, Full pressure oiling, It uses small block Chevy rod and main bearings. All American made. Cast at Lodi Iron Works in Lodi, CA.http://www.lodiiron.com/aboutus.html