Adjusting the secondary butterflies on a Holley?
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08-26-2012, 04:57 PM
Join Date: Nov 2011
Location: Bowser, BC, Canada
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I took a small flat blade screwdriver, heated it a bit with a propane torch and bent a 90 in the end.
Then I could reach under and adjust it without removing the carb.
What type of a screw head does yours have?
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