1949 holly carb questions

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05-01-2011, 08:40 AM

john fin

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1949 holly carb questions

I have a holley 7rt-9510a (AA-1) and need pics of the the throttle/choke linkages so I can connect it up and I need the initial idle speed screw settings.

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05-01-2011, 04:30 PM

jb50F1

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For initial set, I put the screws all the way in and then backed them off 1 1/2 turns. It was close and idled fairly well needing only minor additional adjustment.

Last edited by jb50F1; 05-01-2011 at 04:31 PM. Reason: wrong oicture

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05-01-2011, 08:03 PM

james G. phillips

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The factory manual says gently tighten the idle screws until they seat then back them up just one full turn for intial adjustment , which was close fro mine.

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