Chevelle Tech - View Single Post - Rough Idle and Jerking at Constant Speeds
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post #15 of (permalink) Old Aug 28th, 17, 10:01 PM
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Join Date: Feb 2003
Location: Marietta, Ga.,USA
Posts: 3,392
Re: Rough Idle and Jerking at Constant Speeds

First thing I'd check is the fuel delivery. If it is a Holley, pull the needle valve assemblies out one at a time and flush them both directions with brake cleaner. Use a filter in-line between the pump and carb. Spark plug wires would be next - if they have much age - replace them.
Good Luck.

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