how can I tell valves are zo6 magnesium valves ? ?
12-29-2007, 09:22 AM
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how can I tell valves are zo6 magnesium valves ? ? I bought a 03 zo6 243 casting cylinder head but how can i tell that this heads came from zo6 engine ? I know the zo6 valves are magnesium filled or something like that, how can i tell if the valves are magnesium filled ????
12-29-2007, 09:57 AM
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Take some valve's out a weigh them is the only way! Should be about 72.64g intakes and 64.96g exhaust! Unless they still have the yellow paint markings on the valves.
12-29-2007, 12:16 PM
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I believe your correct, I didn't want to take a valve out to identify it its sodium filled or not because i don't have a valve tool to do it. I will look at the bottom head of the valve & see if there is a part number stamped in it.
