MGB's used to do this. They needed a higher octane rating fuel than was available at the pumps in australia then. Mixing 1 to 5 methyl benzine fixed them. Try using premium unleaded.
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MGB's used to do this. They needed a higher octane rating fuel than was available at the pumps in australia then. Mixing 1 to 5 methyl benzine fixed them. Try using premium unleaded.