Quote:
Originally Posted by tubman
Has anyone ever done a comparison of the heating/cooling diferences between stock and after market finned aluminum heads? The statement that "finned heads add compression and will make the motor run hot" seems counter-intuitive to me.
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I think I read that polished aluminum heads are less effective in radiating engine heat than stock cast iron heads. Here's an old thread.
https://fordbarn.com/forum/showthread.php?t=69580