Quote:
Originally Posted by Cliff R
Ken, when we tested the 750 Edelbrock AFB clones, the accl pump shot was increased to maximum capacity. This really helped, but there was still a lean spot at the onset of the secondaries. Keep in mind that my engine is making over 500hp and accellerates very fast. They may fair better on engines making less power, as lots of folks use them with decent success? In any case, even with positioning the accl pump to the highest possible point in the well, for full delivery volume, it wasn't enough to get the secondaries thru transition without troubles......Cliff
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What is the trick? On those carb when tipping into the secondaries at midrange RPM, they lean stumble. Fatten it up, the stumble goes away but pig rich. Had several that's done the same thing.