Yeah and removed all claims to divinity, a pretty big refutation of some of the core christian tenets. In particular I find this quote revealing as to why he rewrote it:
Among the sayings and discourses imputed to him [Jesus] by his biographers, I find many passages of fine imagination, correct morality, and of the most lovely benevolence; and others again of so much ignorance, so much absurdity, so much untruth, charlatanism, and imposture, as to pronounce it impossible that such contradictions should have proceeded from the same being.
-Thomas Jefferson, letter to William Short, April 13, 1820
So he basically thought there were some parts that were worth preserving as moral guidance, but that Jesus was not divine or rose from the dead or any of that. He also slammed other parts of the NT, such as Revelations.
Adams similarly dismissed the claims of miracles:
God is an essence that we know nothing of. Until this awful blasphemy is got rid of, there never will be any liberal science in the world.
-- John Adams, "this awful blashpemy" that he refers to is the myth of the Incarnation of Christ, from Ira D Cardiff, What Great Men Think of Religion, quoted from James A Haught, ed, 2000 Years of Disbelief
So I don't know, but I don't think either could be elected today with comments like those.