On pp 1-2 of Robert Sungenis' new 564 page book Scientific Heresies and Their Effect on the Church -- A Critical Analysis of: "The Realist Guide to "Religion and Sicence" we find this remarkable passage: "A good friend of mine who is a priest in the SSPX confided the following to me: 'Let me just note that being in the SSPX for over 35 years now, there have always been priests who did not accept 6-day Creation, and who would not even have considered geocentrism as an option , and who were open to certain forms of evolution. The SSPX has always been a mix of ideas of everything that was still considered orthodox in the 1960s. Those in authority have feared to accept new creationist and geocentric proofs which have come forth since the 60's, and have willed to keep a 60's - 70's mentality, despite new proofs, or have not been willing to consider as serious science anything which has come forth from geocentric or creationist arguments. I know, however, several priests open to geocentrism, etc., in the SSPX. You will also note that Father Robinson's book [The Realist Guide to "Religion and Sicence] was curiously published by Gracewing Publishers and not an SSPX publisher such as the Angelus Press. Perhaps Father Robinson wanted a wider readership, at the same time Angelus Press might have realized that such a book would rock the boat among SSPX faithful."
I personally know of one SSPX priest who in a seemingly rather daring move a few years ago not only invited Dr. Sungenis to his parish to speak on geocentrism, but also set up a public debate between Sungenis and another individual on the subject of geocentrism at the local state university. The university audience was initially rather hostile to Sungenis, but in the end he carried the day when a final vote tally was taken of all those in attendance.