1,260 Spliced Major (7 methods)

Donald F Morrison
2345678  Cornwall Surprise
6482735  Lessness Surprise
8674523  Cray Surprise
5738264  Double Norwich Court Bob
4263857  Preston Surprise
3527486  Lincolnshire Surprise
7856342  Link method
7823456
Repeat six times.

Link method= 34.3.34.3
 

Contains 224 each Cornwall Surprise, Cray Surprise, Lessness Surprise, Lincolnshire Surprise and Preston Surprise, 112 Double Norwich Course Bob and 28 rows of the Link method, with 48 changes of method, all the work of every method for every bell and each lead different, 97 runs of four or more consecutive bells at the back or the front, with no backstroke 87s.
Note that the link method may be thought of as two rotated leads of Martyrs Link Little Bob.
If preferred Uxbridge Surprise or Rutland Surprise may be rung instead of Lessness.