[Rory McNeil]

Thats right, 1969 was the only year for a factory 351W with a 4 barrel in a car. In 1970 all the 351 4 barrel engines were C`s, although both the W & C were available as 2 barrel engines.There were plenty of factory iron 4 barrel intakes made later than that for marine 351W engines, and Ford did make a 351 HO 4 barrel engine in the mid 80`s, but only in trucks. As for the small valve 4v Cleveland engines, I used to own a 73 351CJ engine, and I was certain that it had the open chamber, large valve heads, were ALL 73 heads supposed to be small valve?