Quote:
Originally Posted by SSLance
I don't think I want any more advance at idle...do I? The throttle blades are completely closed and it's idling at 14.7:1 AFR at 850 RPM. Any advance at idle I add just increases the idle RPM and vacuum. I guess I could start fiddling with the idle air screws to dial them down, but am I just chasing my tail here? Heck I was trying to get the initial down to 6* to try to slow the idle down a bit more.
It's good like it is. It drives great, no issues anywhere. Maybe just a bit of a stumble when lugging it with the primary side about half open, but giving it just a bit more gas clears that right up.
I guess maybe that means it wants a bit more advance say at 1000-1500 RPM with high vacuum...right? and as soon as that vacuum drops (throttle opens) take that advance away so it doesn't detonate.
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I can't imagine you are going to surpass 20". I say try it out. It would only take a few key strokes to change it back.