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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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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