Aluminum heads and spark plugs

Dohc Rocks said
As mentioned above, I agree that the exposed threads are not ideal. The Edelbrock Magnum chamber is what should have been done across the board.

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That's what i think my Camando Heads have. Magnum casting machined to LA and have pedestals for rocker shafts
fishmens67 said
I use permatex anti-seize on the plug threads.
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Me too.