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Old 08-23-2022, 11:12 AM   #8
tutone
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Join Date: Mar 2016
Location: hickory, ky
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Re: 305 surging at Highway speed only

The carb is an edlebrock 600 in good shape. I'm not getting into the secondaries at 1700 rpms, I dont believe. I also haven't tried the 3rd gear or full throttle test. But I will do that for sure next time I drive it. I hope it turns out to be a filter issue or something simple. Thanks for the input.
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