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RarlyL8 RarlyL8 is online now
Crotchety Old Bastard
 
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,443
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The control pressure regulator (WUR) has a vacuum port that allows boost pressure to act on a diaphragm which changes the control pressure reading to the fuel head. Lower CP enriches the mixture.
Old 08-05-2014, 01:07 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #12 (permalink)