The Ruckmanite churches in my area (including the one where I was a member) not only strongly identified as IFB, but they rejected all other IFB churches in the area as being not true churches. My experience among the Ruckmanites is that they tend to be extremist nutcases, not only on the Bible translation issue, but on various other issues such as dictatorial preacher rule, Trail of Blood/chain-link succession from John the Baptist, woman's slacks, etc. I would not ever join a Ruckmanite or quasi-Ruckmanite church again. I suppose such churches do some good, but by taking everything to a lunatic extreme, they may be doing more harm than good.
Peter Ruckman is consistently identified as IFB in various references to him on the Internet, including Wikipedia. In the 60s, Peter Ruckman shared a platform with IFB stalwarts, Florida Bob Gray (not Texas Bob) and Hugh Pyle:
