Quote:
Originally Posted by XeJive
The two flat head screws on the bottoms of the carbs. I had adjusted them previously cause it was running really rich, but I put them back to stock (left 2 1/2 turns, right 1 3/4 turns)
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How do you know it was running really rich?
Would be helpful to know exact AFR at time it's bogging at WOT going 55mph or 80mph.
Should inspect your slide diaphraghms for sealing issues or pinholes. Also with warmed-up engine, measure manifold vacuum at idle and 3000rpm.