Have sbc with crower stack injection.I run alcohol fuel.I have had "O" pump checked and is ok. Using .026 nozzle with .054 pill and ran great.Have made changes and now .048 pill is lean [V-P up=faster].Is it time to increase nozzle size,or just change pill Went 5.62,119.71 vp529 Next rd.went 5.60,119.74 vp546. need help on what to do. Thanks!