http://autoxer.skiblack.com/nallm/carbalance.htm Matt Nall Sea Mtn., Or. Sent from WinMail10 From: Ralphsebrell via VirtualVairs I bought a Unisyn. I have a 140 and I can' get the primaries balanced. Passenger side primary will almost suck my hand into the engine, the driver's side much less. What am I doing wrong?Ralph