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Alright so I called the holley tech line to tell them about my problem. I have a 750 dp carb on a 400hp 340 that turns 6500. Nothing special but the car has a bad part throttle miss like it's running lean. He asked me the jet sizes. I've went from 71 80 to 80 87 with hardly no change in...

Hey guys you ever changed jets on a carb to richin it and nothing hardly changed? My carbs factory jets had 71 80. Now overtime they are at 78 87. I'm thinkin could my acc. Pump be too small or the squirters too small?