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Old 09-03-2012, 10:10 AM
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which carb

Adjust your initial timing so you don't use the carburetor's curb idle screw to open the throttle plates to far to uncover the idle transfer slots. Start with around 16* initial timing to get the engine to idle around 950 rpms. If you don't get instructions with your carburetor go to Edelbrock's website for tuning instructions. You will need a vacuum gauge to tune the carburetor. Before installing the carburetor adjust the idle transfer slots to about .020. Here is the technical data on tuning your Holley 670 Street Avenger . http://www.holley.com/data/Products/...0219-3rev3.pdf. Doesn't matter which carburetor you have both will have to be tune to your engine.
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