Show in ake h kind h d or carbon car b on they th ey form fo nm y you 0 U see jive a vital A daffe difference ako n rio ua in oils motors that miss miss knock lose power clogged with carbon from burned lubricating oils oils that would be 1 V satisfactory lubricants except for this tendency to form hard carbon in fact the vital difference in oils today is in the carbon they form how much what kind carbon is deposited by ordinary oils in layers abrasive bits chip off and grind through bearings larger particles hold valves open the stems bum power is wasted shell motor oil forms only 13 to 15 as much carbon as even the costliest cost liest bilyou oil you carbon deposited by ord can bryand uy and that little is soft sooty blows nary oil is hard flinty it away through the exhaust will boar paper it will k scratch brass wear away the secret is in new shell methods so steel carefully is this oil refined that none of its sturdy lubricant body is s lost it will withstand heat that would ruin ordinary oil the carbon iha t shellio Z and while shell motor oil is giving you tor oil forms to 15 as aluch aleven finer lubrication it is saving the destructive oils is soft soot damage of or carbon earbon actually adding thousands like through the exhaust away of miles to the life of your carl car remember these facts when you buy oil next SHELL S ELL MOT M 0 R OIL I 1 L i shell the new dry gas that explodes cleanly to owners of newer models and keeps out of the crankcase is the ideal running high compression motors mate for shell motor oil even shell motor oil have as little as 1132 inch be ruined with clearance even a thin layer can by thinning a wet gas of hard carbon causes trouble shell ell mo motor tor oil forming less carbon soft carbon is almost an essential to proper performance of such motors U ax |