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Show BREAKING IN THE NEW AUTOMOBILE First 500 Miles Has Important Impor-tant Bearing on Kind of Future Service. "The first 500 miles or so is the most important period in the life of a new automobile, and the mariner in which the car is driven at that stage determines to a large extent the kind of future service it will give. "The parts of a new car are carefully care-fully and accurately made, but just as a pair of new shoes must be 'broken in' before fitting comfortably, so these new parts must also be adjusted ad-justed in order to function properly. "High points on the bearing must be smoothed out, tool and grinding marks gradually worn away, a high polish acquired." Expert Advice. This is the statement of David Gregg, research engineer, who proceeds pro-ceeds to give some expert advice about breaking in new automobiles. To quote Gregg in part : "First, follow explicitly the manufacturer's manu-facturer's directions for the 'breaking 'break-ing in' period, which usually is 500 miles. After this period, and when the engine is warm, occasionally accelerate ac-celerate up to 40 or 45 miles an hqur Immediately the speedometer registers 40 or 45 slow down to around 35 miles an hour. This enables the oil to circulate freely among the moving parts. "The short bursts of speed permit the parts to become accomodated to full load operation without danger of burning or sticking, which might occur with continued high speed running. run-ning. Complete Check. '. "At the end of the first 1,000 miles the car should be driven back to the dealer for a complete check. See that the valve adjustment is correct, the compression even in all cylinders, the distributor contact points checked. The operation of the steering gear and alignment of the front wheels should be checked, and be sure the nuts which hold the wheels on the rear axle are tight and without sign of looseness. "A car properly broken in and regularly regu-larly checked at a good service station sta-tion should give many thousands of miles of carefree operation at a minimum mini-mum of expense." |