12-03-2007, 06:24 AM
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CC Member
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Join Date: Jun 2003
Location: Freedomia,,
Il
Cobra Make, Engine: Coupe,Blue w/white stripes SB; Roadster, Blue w/white stripes BB w/2-4s; SPF installer/Hot Rod-Custom Car builder
Posts: 1,376
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Not Ranked
Sal,
Because aluminum dissipates heat more quickly, aluminum heads do tolerate a little more lead than cast iron ones.
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WDZ
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