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barkster1971 · Jul 23rd, 2018, 17:05

It's nothing to do with octane rating or compression or pinking. I know it runs fine with unleaded. I am very slightly concerned with the valve seats that are now uncushioned by lead free petrol.

Jul 23rd, 2018, 17:05	#6
barkster1971 VOC Member Last Online: Today 13:22 Join Date: Jun 2009 Location: Swineshead/Salford	info It's nothing to do with octane rating or compression or pinking. I know it runs fine with unleaded. I am very slightly concerned with the valve seats that are now uncushioned by lead free petrol. __________________ new engine! new car!