Show DRAIN CRANKCASE OFTEN IS ADVICE The man who merely glances I tat at hf his oil aU gauge and if It it shows full lets it go at that is storing up troubles for tor himself says A A. J J. J McMullan l sales manager manager man man- manager ager for Culco Oils fi Crankcases should be drained at regular regular regular reg reg- ular intervals cleaned out and Ire filled with fresh tresh oil of ot good quality 1 or the them m motor r is going to o suffer y liow JiOW often otten tins this should be oe done cone depends upon the condition of the cylinders age of car quality of oil used and miles run In cars where cylinders are worn a a. I certain amount of raw gas or ortin orin in cold I Iw w weather ather a condensation of gas works its way down Into the crankcase 1 diluting the oil until it Is nearl nearly useless as a lubricant f Where poor quality oil is used the gauge may show plenty of liquid but It will be little more than dirty dirty- slush unfit for lubrication Even the best oils such as Cresta or orP P SIx would O d fail In their r efficiency lc l dd f fr r f as lubricants n if d diluted with te too much h gasoline or if it dirt and dust lust got into the crankcase and it is a a. mighty good practice practice practice tice to clean out all old oil every five or six hundred miles Next in Importance Is to fill fm with fill with the best possible oil for the par particular cular make and model of car Every motorist eventually pays the price of good oil either to the oil dealer or finally to the repair man and it is much cheaper and more satisfactory to pay the price t to o the oil oU man |