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4v heads

  1. Classic Tech
    Hey everyone just got some questions for experienced cleveland owners. I will begin building and researching fitting components of a 351C 4V. It has been bored .020 over and needs new pistons, valve springs and possibly valves. My big questions are what piston types will fit with the huge valves...
  2. Classic Tech
    I have some heads that are stamped C8OE. Also stamped 4V. I am trying to figue out what the cc is? 54 or 63?? Were there actually 4V stamped heads that were 63? There is no "-letter" after the C8OE code. There is a D stamp on the right corner of the head and a "F"on the right. Turning my motor...
  3. Classic Tech
    I have a 70 M-Code CV April Build date. I bought the car without an engine. I found a Nov 69 351 C 2v motor from a Cougar for cheap, and then found a set of ready to go 4v heads from around the same date. Since this is my first 351 C is there anything different between the 2v engine and the 4v...
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