Any differance between early model 243 heads and later model heads???
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Any differance between early model 243 heads and later model heads???
Just bought a set of 243 heads from a guy on here.Heads look really good.Taking them to the machine shop to get them milled 0.35 thous.and check for cracks.Should be ok.I just wanted to know if there is any diff,between the early 243's that are on the cars and the later 243's that are on the trucks.Thanks,Mike
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I knew some came with the sodium filled valves,just thought the zo6 non sod/filled heads were different from the later model truck 243 heads.Also will my 7.4 hardened chrome molly push rods will work after milling them?Thanks