02-05-2015, 07:09 AM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
My guess is that it's not an issue of valve shrouding, it's an issue of a significant increase in vacuum with the smaller bore. May not be replicated on running engine, may just be a flow bench thing.
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