Thread: Where to hook up Vacuum Gauge
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Old 06-20-2016, 01:12 PM
Mils Mils is offline
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Join Date: Feb 2016
Location: Niagara Falls, NY
Cobra Make, Engine: Contemporary Classics CCX3 Roadster 427 side oiler
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Default Where to hook up Vacuum Gauge
I have a 427 S/O with 2 Holley (List 1849) 4160's that were just rebuilt. I'm experiencing some hesitation and minor backfires on passenger side during mid-range acceleration. I want to check for vacuum leaks and set the lean/rich screw's to optimal settings, but i have no idea where to hook up my gauge. These carbs do not have a manifold vacuum port on the throttle base. I'm at a loss. Any ideas?
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