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What would cause my 91 gmc 350 to back fire through carb just recently changed head gaskets?
Wiki User
∙ 16y ago
Check the spark plug wires and make sure they are on the right cylinder. The firing order is 18436572, counterclockwise on the cap. If that is correct, then the distributer could be installed 180 degrees off.
Wiki User
∙ 16y ago
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Your Saturn SC2 coupe has lost all power and will not start?
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Does a engine have to overheat to damage head gaskets?
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