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I purchased a 2003 Holiday Rambler Vacationer with a W22 Workhorse chassis and Chevy 8.1 engine. I have always had Ford 460 or V10 engines, so I am not real familiar with this one, so I seek your adv...
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May be time for a tune up also. New plugs and wires. Do the gas treatment, injection cleaner, plugs, wires, and maybe fuel filter.
