73-87chevytrucks.com
73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: mikewb on December 23, 2007, 03:41:30 pm
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how can i tell what heads i got? i ran numbers and it said 64 cc how do i figure out valve size
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post the casting numbers on here, somone may know from memory, or know where to check.
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http://www.mortec.com/bbc.htm