>> Had an old car back in the '70s that drank a pint of oil every
>> fifty miles or so. Started filling it with the Duckhams 20/50 I drained out of
>> my other car. Consumption of the old thing started dropping considerably until it used virtually
>> no oil at all.
>>
1970s engines don't like thin oil, I use a 20/50 in the Commer
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