Quote:
Originally Posted by FSA1673
Mine have been filled with aluminum, poured in from the combustion chamber. I used to just have them blocked off with aluminum plates on the intake side of the head. My 71 HO intake is aluminum and does not have the heat cross over as part of the intake.
I am curious if filling the head with aluminum will result in any power gains now that the two middle cylinders are not connected anymore.
Any thoughts??
Scott
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Heat riser passage may be
blocked from intake manifold side of cylinder head. Blocking
passage down in valve pocket prohibited.
I use thick tin between my intake gasket and head as i was told by the tech guy that pouring in is prohibited