5,280 (5,040) Spliced Surprise Maximus (4 methods)

Donald F Morrison (no. 6995)
  234567890ET  Yorkshire
s 53792E4T608  Bristol
  ET903856742  Zanussi
  42678503T9E  Zanussi
  9E3T5078264 (Bristol
  08T6E492375  Yorkshire)
  648207T5E39  Zanussi
  395E7T20486  Bristol
  T0E89634527  Zanussi
  274563890ET  Cambridge
s 57392E4T608
Repeat ten times.

Contains 2,112 Zanussi, 1,584 Bristol, 1,056 Yorkshire and 528 Cambridge, with 98 changes of method and all the work of every method for every bell.
Reduce to 5,040 by, in five parts, replacing the two parenthesized leads by one lead of Zanussi; contains 2,352 Zanussi, 1,344 Bristol, 816 Yorkshire and 528 Cambridge, with 83 changes of method and all the work of every method for every bell.