Thread: 4150 DP 4 to 2 barrel cutoff
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Old 01-21-2023, 06:36 AM
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Grubby Grubby is offline
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Join Date: Nov 2007
Location: Clayton, IN
Cobra Make, Engine: ERA 838
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The adjustment would just slow the opening.

Holley has a good setup description on their web page.

Double pumpers come with 3 linkages. You want the least aggressive. It can be purchased on Summit racing.

John
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