01-21-2013, 07:58 AM
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#1 (permalink)
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A True Z Fanatic
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Quote:
Originally Posted by Trilitheum
^^ Just to correct an error so people don't get wrong info, Cast Iron has a CTE (Coefficient of thermal expansion) of 5.8 10e-6 in/in deg F, Aluminum 6061 or 7075 has a CTE of ~13.0 10e-6 in/in deg F, (not picking on you an in way DE) the cast iron actually expands less than the billet aluminum by about half as much.
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... Maybe with a nice quality piece of cast iron... That POS the crank pulley is made from... Mehhhhhh... I bet it expands more, or more importantly, unevenly vs aluminum
(That's more what I meant, the uneven expansion in shítty cast iron)
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