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Old 03-29-2017, 06:16 PM   #4
Synchro909
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Join Date: Jun 2014
Location: Melbourne, Australia
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Default Re: NOS Ford valve question

Years ago it used to be that intake and exhaust valves were made from different materials. Not knowing how old those valves are, I would use that one on the inlet. You have nothing to loose by doing so but maybe if you don't.
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