I did my time as a match going fan from the 80s to the late 90s
That 88 team (Grobellar, Hansen, Gillespie, Nicol, Ablett, McMahon, Whelan/Spackman, Houghton/Johnston, Barnes, Beardsley , Aldridge) was fucking brilliant, and their 31 game run was all in one season ... which, in my mind, is more meaningful than split across seasons. They were the best team of the time and completely dominated the league that season.
Klopp's team is also magnificent and has already achieved what they couldn't by winning in Europe (though obviously that was down to circumstance) and may well prove just as dominant in a league campaign this year.
That said, I never see the value in comparing teams from different eras. The times, style of football and opposition are completely different and the comparison is close to meaningless. I prefer just to enjoy the fact that I watched that team back then and am watching this team now, albeit mostly via screens from the comfort of the armchair.