Any difference with the 4.5 liter heads vs the 4.7 liter heads US?

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08-30-2007, 12:22 PM

mark kibort

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Any difference with the 4.5 liter heads vs the 4.7 liter heads US?

Are there any differences? I know the valves are the same size and the ports seem to measure the same as well. besides a casting number difference, is there any difference with the US 4.7 vs US 4.7 heads?

Thanks,

MK

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