ORIGINAL: Turk1
Dave,that comment/experience was not belongs to me.I only saw and forward it to this thread.And I think the main theme is, to keep low end needle as close as possible to spraybar.Did you try such a combine adjustment as JDW describing above??
Turk, you're right on the money - that is exactly the theme of the post.
The needle/spraybar gap mentioned makes an enormous difference to how the engine behaves at full throttle.