The Los Angeles Lakers had an offensive rating of 114.2 with Magic Johnson between the 1979-80 and 1990-91 seasons.

lakers offensive rating with magic johnson from 1979-80 to 1990-91
TEAMGPORTGMPGPPGRPGAPGSPGBPGTPGFGMFGAFG%3PM3PA3P%FTMFTAFT%MINPTSREBASTSTLBLKTOVPF
Los Angeles LakersLos Angeles Lakers603114.2241.5114.644.228.88.45.416.444.887.351.32.16.433.222.929.278.4145,62069,11726,62317,3805,0763,2339,88613,259
StatMuse has team, game-level data for offensive rating going back to the 1983-84 season.