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Old 06-21-2010, 07:47 AM
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454 vortech heads

Has anyone ever put 1.880 ex valves in these heads over the 1.720 and is it worth the cost?

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Old 06-21-2010, 08:46 AM
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Generally accepted opinion is they flow better with the smaller valves. Just finishing an engine for my ski boat with them. Larger valves shroud them worse.
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