Replace intake and plinium gasket for friend. Has had issue with running rough.. replaced plugs and that helped but still slight miss like timing and exhaust is extremely hot. late ignition timing? or could it be more serious? timing by computer only? Have diagnostis ran first? probably all of the above?
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1994 Oldsmobile 88 Question: Exhaust is extremely hot and has miss when running- Late timing or more serious?
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