ZZP Dual Pass

jaredthenav

Well-Known Member
Has anyone actually tapped the intake for the option b to bleed the air? I picked up a brass 90 deg hose elbow but am unsure about drilling and tapping the intake. I can see how the dual pass increases the chance of trapping air in the upper loop but I think I could find other ways to purge the system. Seems like too much potential for damage to a cast part for very little gain.
 
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