Hi,
That's an interesting discovery... Anyway, the heads for a
302 have holes drilled for 7/16" bolts to the block while
351 have holes drilled for 1/2" bolts to the block. I'm
assuming that unless the mark is in error, you'll be able
to see the bolt hole difference.
Adam
That's an interesting discovery... Anyway, the heads for a
302 have holes drilled for 7/16" bolts to the block while
351 have holes drilled for 1/2" bolts to the block. I'm
assuming that unless the mark is in error, you'll be able
to see the bolt hole difference.
Adam