Quote:
Originally Posted by gtofreek
I like the Ferrea valves the best. Their quality has been top notch. Ferrea's usually flow 5-10 CFM more also than some of the Manley valves because Manley uses a larger radius from the stem to head transition[3/8" compared to 5/16" for Ferrea]. The larger radius takes up space, thus reducing flow.
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Thanks, Paul. Much appreciated.
https://www.ferrea.com/