7 hours ago
Andrew,
In my case the over-advance was evident quite low in the rev range. It had good pick-up from rest, was very rough at low revs under load but quite happy at higher revs/maximum speed. Adjusting-out the roughness (by static timing) meant I lost the good pick-up and also compromised the top speed.
This left me fairly convinced that it would also benefit from a longer/later advance curve, i.e. lighter weights or stronger springs. There has been some discussion about this on Facebook in the past.
In my case the over-advance was evident quite low in the rev range. It had good pick-up from rest, was very rough at low revs under load but quite happy at higher revs/maximum speed. Adjusting-out the roughness (by static timing) meant I lost the good pick-up and also compromised the top speed.
This left me fairly convinced that it would also benefit from a longer/later advance curve, i.e. lighter weights or stronger springs. There has been some discussion about this on Facebook in the past.