Piston Eyebrows for Old Vs. New
We all know the valve angle changed in 1967. I have a '64 421 45B block with piston cut for '67 and later heads. It was built by Dan Whitmore and has only a couple of hours running time. The eyebrows are on the top side only. I know the eyebrows were closer to the center of the pistons on pre-'67 engines.
We're going to use '64 "716" heads on this engine. Is there any chance the pistons will work with those heads? The cam is a Melling version of the 068 with about .470" lift.
Maybe a dumb question, but your comments will be appreciated.
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