Just did my routine, with the difference of dropping the temperature of the wrap. There is now much less shrinkage, so I guess it was a factor.
Aug 07: (BPEL 6.25) (EG 5.5) | Oct 07: (BPEL 6.75) (EG 5.5)
Nov 07: (BPEL 7.00) (EG 5.5) | Jan 08: (BPEL 7.20) (EG 5.6)
Mar 09: (BPEL 7.25) (EG 5.65) | Aug 11: (BPEL 7.25) (EG 5.75)