OCR Text |
Show Reduction of Number of Va!vc-Gt indlnj Tasks Widespread use of highly voluillr. nonilei i in ii I Ing gasolines Is resulting In a gival reduction of the number ot valve grinding jobs thai the average repair shop does. This Is In br ex peeled and for Hie uiosi pari Is en llrely sal Isfnojiu-y. But It happens 1'roquonlly Hull Hie car owner goes too far wllh Hii' assumption thai ihe valves are sealing properly. liven wllh the best of gasolines Ihe valves do "slick up" nl'tei a certain period of usage. The cm owner wha grinds In the valves or has them ground In after, say, a year of service serv-ice will recognize this by the differ .lire Ii lhr rar's performance. |