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Fuel system covers the components of a car responsible for fuel delivery; tanks, pumps, filters, pipes. Questions on carburettors and injection systems have individual tags

3 votes

Subsitute for Leaded Gas

Have you looked at Gunk or other similar products? Autobarn lead substitute
Kjartan Þór Kjartansson's user avatar
5 votes

What are the benefits of premium (high octane) petrol?

As far as I know premium fuel is (or was) better suited for engines with higher compression ratios (10:1 or more), since lower octane fuel is more likely to combust before the sparkplug fires.
Kjartan Þór Kjartansson's user avatar