Selling the 60 will result in regret. I've done it twice
Nothing compares to the character a 60 series has.
My '84 FJ60 with the H42 lifted on 33's got 15.2 mpg cross-country (high altitude) verified by gps, FWIW. I challenge any FZJ or 3FE to do the same.

My '84 FJ60 with the H42 lifted on 33's got 15.2 mpg cross-country (high altitude) verified by gps, FWIW. I challenge any FZJ or 3FE to do the same.