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    idle rough when hot

    Hello, I am struggling with an issue with my 1983 GMC Sierra 5.7. Its my daily driver. It ran great until i changed the oil from 5w/40 to 10w/40. i did knock the air cleaner out lazily and put it back in. its idled bad since. I shot a butt load of starting fluid in the carb and let it sit for...

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