Where is the fast idle adjust. on Holley 650

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pauls340

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Gotta Hollery 650 Spreadbore 6210, got the choke working but where is the fast idle adjust screw to keep it running when I start it?
 
Should be on the choke side of the carb in the underside near the choke, some had it in a sealed piston well, depends on the model smog carb etc.
 
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