12-27-2004, 07:04 PM
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CC Member
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Join Date: Apr 2003
Location: Central Texas,
TX
Cobra Make, Engine:
Posts: 88
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Not Ranked
As I use to run the "K" grind back in the late Sixties, I went back to the old Ford parts catalogues to see exactly what the specs was on that particular piece. It was the C3AZ-K camshaft with 290°/.500" and was listed for use in the '66 427 both in the 1X4 and 2X4 engines.
Going back a little further I find that the 1963 and 1964 427's had different cams for each year while the 1X4 and 2X4 versions were also different. The 1X4 cams were C3AE-M (276°/.525") and C3AE-U (274°/.525") for '63 and '64 respectively. The 2X4 cams were C3AE-AA (288°/.525") and this one carried through into early 1964 on the 2X4 engines where it was changed out for the C3AE-V cam with 290° duration. Date codes on the engines play heavily on the cam listings in my old reference books and there appears to be a myriad of service cams offered including the aforementioned C3AZ-AA with 306°/.500" specs. I spared you the listed intake/exhaust opening/closing specs.
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Ted Eaton.
Fe's are fast but "Y-Blocks" are fun when they run in the 9.60's at 135 mph.
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