On Wed, 09 Jul 2008 15:40:47 -0700, JR North
wrote:

I pulled the manifolds last night, and squirted about 30cc ATF into the
cylinders and cranked it through. Because I applied anti-seize compound
to the manifold and riser bolts on the last job (1996) all the bolts
came right out.

Here in south Florida risers and manifolds need to be replaced every 4
or 5 years, even with diligent flushing.