Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net> Tesla list wrote: > > Original poster: "Barton B. Anderson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla123-at-pacbell-dot-net> > > Hi Dan, > > The tank cap won't affect the PFC value. Why not? Please explain. Ed