Originally Posted by Tod74
BOWHAY, what is your vaccume at idle with the trans in gear? 6.5 is the power valve that comes in them when new, but if you are below that with your vaccume it could be opening up.
Again, the main jets will not make it run rich at an idle if everything is set right...
X2. Had this expierence too. Had to measure vac @ idle & figure altitude for mine too. Has anyone mentined floats/level etc...? What about a stuck needle & seat.