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Show " ' . 6M ' ," .. - ' I I I.N I .1 : f X V V xN f &ff iM- - i 111 II m.w '.-Ka- r- M l 7T" TICKS CARS AN D ' - - X. 'V I A1 - U K'X v . - "Av "S 1 .JT - s; 'V W. . 8CKMHD. T1IE GM lffi-- s.j 131 iS,:'. f : 'Guardian:Mainte;hance';semcemen- care for your GeneralMotorscarthe way it was builf tdl)erared"f6r! Torque wrenches, measuring exact pressures; are used to tighten bolts on many parts of your car to specifications. Precisely tightening each cylinder head bolt, as illustrated, could mean the difference between maximum power at each cylinder and uneconomical engine performance due to dis tortion of critical machined surfaces. At thirty GM Training Centers across the nation, Guardian Maintenance servicemen learn by doing the right way the Guardian Maintenance way. And that's always the way with service at your General Motors dealer's . . . where the best costs less in the long run. factory-engineere- BEST KIND OF CARE FOR THE BEST KIN D OF CARS AND TRUCKS !TL J 4 . ' .0.- : d Guardian Maintenance CHEVROLET PONTIAC OLDSMOBILE BUICK CADILLAC GtVlC TRUCK ' |