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61 C550 Holley Carb.
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Posted by Loren Coffin on May 13, 2007 at 20:45:44 from (220.127.116.11):
Looking into getting this new to me truck to run good. the idle mix screws are in the secondary metering blocks. Factory Holley 4bbl. The blocks cannot be swapped simply. Are they screws supposed to be in the rear somehow? What is the probable cause and fix of their location?
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