1) Can a 998cc 1970 engine run on unleaded gosoline?
2) If one does have hardend valve seates and runs it on leaded will it damage the engine?
3) Are the additives for unleaded feul recomended?
2) If one does have hardend valve seates and runs it on leaded will it damage the engine?
3) Are the additives for unleaded feul recomended?
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