IML: Aluminum Heads on an Imperial 413/440
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IML: Aluminum Heads on an Imperial 413/440
- From: Joe Strickland <jwstrick426@xxxxxxxxxx>
- Date: Fri, 19 Oct 2007 10:33:23 -0500
Has anyone had experience with using aluminum heads on their Imperial
with a 413 or 440? I have read that the aluminum heads run cooler than
the cast iron heads and help prevent pre-ignition knock at 10:1
compression ratios. Some sites mention that their aluminum heads
eliminate the heat crossover passage too. The new ones would have
improved valve seats to accommodate no-lead fuel too. Any ideas?
Joe
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