Yes, that's common.
Originally Posted by pumper
Find another engine tuner. The power brake vacuum booster should not share the same hose with the PCV valve.
My engine tuner seem to think running the PCV from the Power Brake port made it run better, than using the PCV port.
Both of these components use full manifold vacuum.
Although I don't understand how it's different.
May God's grace bless you in the Lord Jesus Christ.
'78 BRONCO: 508" stroker, TFS heads, Dominator MPFI & DIS, cold air induction, dual 3" exhaust/Magnaflow mufflers, 100HP progressive dry direct-port NOS, A/C, Lentech Strip Terminator wide-ratio AOD, 3:1 Atlas II, modified Dana 44/60-lockers-4.10s, hydroboost/4-disc brakes, ram-assist/heim joint steering, Cage long radius arms, custom traction bars, 4" lift, 35" mud tires