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1990 5.0, replaced every gasket but the oil pan. All new vacuum lines. New fuel pump and filter. New maf. New ect and act. I did the spray water test around the spark plug wires. No light show. If i get into it, it will buck and jerk hard enough to give you whiplash. I have read about 50 links today and no one ever comes back to repost their fixes. I,pulled numbrt 1 and 5 plugs and they were black. I need some help.:70:
 
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