"Graydon D. Stuckey" <graydon@apollo.gmi.edu> wrote: > Is there another reason for the bypass valve? Cool sound? Or, does a bypass valve give the same (or similar) cool sound a blow-off valve does? I don't know. You might get a little extra MPG if you allow yourself to left off the throttle between shifts, if that's a concern for anyone on this list. Nah. Ken