Yes, there are two holes on the head and manifold under and between the
intake ports that route coolant into the manifold. It's a common spot for a
leak. It's not too hard to remove the manifold. You'll need to take the
heat shield off of the intake manifold (under the carbs). Then you can get
a deep well socket on the end of a long extension or two all the way back to
the nuts underneath the intake manifold. Don't take the carbs off the
manifold - that's more work than it's worth.
Note too that there's a third freeze plug on the block at the center an inch
or two down from the top.
Brian
-----Original Message-----
I don't really see any easy way to get at the lower exhaust header
bolts that are on the bottom and burried.
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