What I see from the strobe is a gradual retardation. At 7000rpm it doesn't retard any further.byron wrote:these are the bits I'm still unclear on ~Bufficus wrote:I'm using 7000 units on both. Set at 24 degrees at idle they retard to 18 degress.
does the timing stay at 24º BTDC all the way up 7000 revs, and then changes immediately to 18º BTDC from then on to whatever max revs are achieved ? or is the difference more graduated ? I'm guessing the instant switch.
In my experience yes.and
if the initial timing was set at say 25º BTDC, would it switch at 7000rpm to 19º BTDC ?In other words is the change a fixed number of degrees.
However, I think its important not to get too hung up on what unit is fitted. It states in the instructions that different stators can react in different ways as there are several different manufacturers there may be some difference in the number winds on the coils. Some stators will need the slot filing to allow more movement to achieve the required timing range. A 7000 unit may work better on any given engine than say a 6000 unit. But as long as the timing moves between the range that you want it doesn't matter whether its a 6000 or an 8000 fitted. If you have enough clockwise/anticlockwise movement it doesn't matter what is fitted.
Also I have found that I have one degree more range with my Indian stator than I have with my BGM stator.
Yes Byron, your right. I always get that wrong and have been corrected many times 
