Quote:
Originally Posted by 911st
Not sure I understand.
I belive as follows so far:
We have about 10 deg of vac retard or vac advance depending on the pot. Plus about 18 deg from mechanical advance for a range of 28 degs total.
Thus a settinging at -29 at 4000rpm would be about -1 at idle (-19 on boost).
A setting at -26 would be about about +2 at idle (-16 on boost).
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All this talk about timining got me to go to my mechanic and "show" me how to properly time my engine... In doing so, we noticed that when we removed the vacuum line from the back of the dizzy, the idle didn't change [he said it should have]. Therefore, the idle isn't "retarding" properly at idle??? Is this correct??
Also, in checking my timing, he came up with:
13-Deg Advanced at Idle
And, -26 Degrees at 4K RPM [with both vacuum lines removed].
How does this sound?
Also, I'm going to have the vacuum pot changed out next week... Or, should I just not worry about it??? It runs really well in the "low bands" right now...