Show examine a sample of carbon I 1 1 from one of your spark plugs shell mo tor for oil forms only 13 to 15 the carbon of even the costliest cost liest oils and soft much ch lb carbon that easily blows ow w M U car on aon away achy through through the exhaust A asias what h k kind nd ike 11 V x e to these about OILS 14 ff ILY om explain many motor troubles A W you know of course that carbon the carbon it does doia form is fluffy causes motor trouble hard layers soot like blows easily away through buildup build up in your motor cause knocks the exhaust and engine strain flakes chip off the new shell process produces an e 1 1 V 1 I and hold valves open to waste amazingly fine lubricant smooth I 1 power to burn bum stems abrasive bits sturdy heat resisting old style 1 V grind through the motors moving stills literally scorch oils in refining parts weaken them before beford you what you may not know is that buy them shell motor oil comes to this gritty coke like carbon comes you full bodied able to stand heat from burned oil and the carbon and abuse that would ruin ordinary problem has steadily grown more oils it saves you the destructive serious high compression damage of flint carbon truly motors wont stand even a thin it can add thousands of miles to layer of hard carbon the life of your car with this in mind two new and refill with shell motor oil buy x vital questions arise how much it whenever you need an extra carbon does your oil form what quart yellow and signs 1 kind of carbon will guide you to it pour waste ailon a in one particular oil there has pane of glass of 01 hits bits see been a startling improvement A word about the newer newe r models metal 11 lings filings little and carbon from your mo motors tors only a soft so ft sooty high compression motors with as little as moving parts and shell motor oil refined in special 1132 inch clea clearance rance between piston and cylinder dirt gritty new high vacuum stills actually head have no room for hard carbon A thin layer black carbon that will cause trouble shell motor oil forming less causes wear aearl I 1 bon as even the costliest cost liest carbon soft carbon is almost essential to proper no other oil leaves so little and performance in such cars Q I 1 S HELL H E LL MOTOR MO OR 01 OIL L T shell the new dry gas that explodes cleanly and keeps out of the crankcase crank casc is the ideal running mate for shell motor oil ie i r v ia even shell motor oil can be ruined by thinning with a wet gas |