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How Bearings Burn Out Stopping The Knocking Engine Immediately May Prevent This AT MAIN AND CONNECTING-ROD BEARINGS, the forces act be tween portions of the crankshaft and rigidly supported bushings of anti triction metal, which has a low melting point. With a good supply of suitable oil. constantly Sowing betw een these bearing surfaces, friction is reduced to a minimum, but if the oil supply becomes inadequate, friction becomes intense and its resulting beat softens the readily fusible metal of the bushing or even actually melts it. leaving a part of the shaft or a conpecting-rod end loosely supported, causing severe knocking and danger of a wrecked engine. General Lubrication Failures Among the fallice of the ofl pump, obstructed circulate or ice formed around the causes of such lubrication failures are lack of ofl oll pipes. ofl too cold and thick to pamp. Even very much diluted or excessively dirty oll may produce the same effect. Cylinders Run Dry First Such general faflures of the oiling system are, however, usually -- S402 4999040300008 FOR FISH DEPLETION # + tensive fishing made # Department. # This is an_ enswer to 4 pletion. AN OVER-PRODUCTION OF CRUDE OIL TO-DAY A Big Waste in Evaporation and Producers Want to Curtail. * ] # AUTOS ARE BLAMED + Washington, June 4.--BEx- 4 i} possible # | |} by the automobile is causing | depletion of game fish in # i} & steams, according to the War #1 + a+! # charge that the department's ® 1 & dams were interfering with & |i} # tish spawning and causing de- @ all * +] SPSS RBR2SOIREIRTRSSN All the old paint and varnish removed from your car and eight coats of GENUINE DUPONT DUOO applied with an Automatic Spraying Machine. i oLAsS B. " Providing the paint on your car is not badly checked or crazed, we remove the varnish and apply four coats of GENUINE DUPONT DUCO. CLASS ©. 5 This corresponds with a paint Job, but we apply BRUSHING DUCO with our Automatic Spraying Ma~ indicated. before bearing burn-outs are likely to occur, because eylinder lubrication generally fails first, Loss of power, overheating, knocking trom preignition and squeaking of the pistons ordinarily gives a warn: fog which, it Immediately heeded will, in most cases, save bearings (By Israel Klein.) Instead of finding ways to meet A, and B,, ( : i : 1 : : 3 3 : 3 3 N SENSE AUTO TIRE PUMP-----they call me so, be- hat I take in on the down stroke through shown above) I retain. I do my finish, without a hitch or miss, up to 100 proven by a test in the shop with a steam neat. I put in between two and cussing and perspiration. 1 put from damage. 011 Deficiencies From Local Defects In the case of an engine having by direct preasure main bearfug and convecting.rod its bearings individually lubricated ofl-feed. with a spevial source of supply to each end, a particular bearing may be deprived of oll by a local defect, which may not effect other bearings or immediately interfere with cylinder tubrication to such an extent as to provide a warning based upon abnormal engine operation. Stopped Up Udl Ducts Such accidents arise from clogged oil-psssages in the crankshaft or elsewhere, bearing bushings fitted altogether too tightly or care Jessly installed, so as to obstruct ol 1 movement. A bushing, once over peated, through lack of ofl, frequenily has its metal "spun over" the ofl ways or drilled passages, so that circulation is thereby permanently stopped and a complete burn out occures. Forestalling Obstructed Oil Flow Extreme care and intelligence is required in fitting and readjusting such bearin never be allowed to become dirty frequent!y cleaned out and all ofl compressed alr occasionally to mak such a lubrication system examination of the entire oll before the englue is given further service, interruption of bearing lubrication. INCOMPLETELY SEATING VALVES? G. BE. K. writes: The engine ol my oar misses badly, but i , if lubrication troubles are fo be . the Inbrication system should be avoided. Oli_should passages should be blown out "with ¢ sure that they are open. In case tails and the engine runs dry, an expert distribution system is very desirable, as = precaution against pushrod and valve stem when the valve is in its closed' position and if not. readjust for the correct clearance. If you do mot find thie defect present, please write us again. rtp FILTERING CARBURETOR AIR Row does not begin to miss until it has, warmed up. Can you tell me why this 1s? this has made no improvement. Answer: The most usual cause of this particular trouble is tes close adjustment of the pushrud and valve stems (most common: the exhausts). These parts, whe cold, may be sufficiently contraetes #0 that there 1s a very slight clear ance between them, which perm! the valves to seat. but when hot they may expand enough so thal the valves do mot do so, and th leakage through the slightly opéned vhives, during suction and ecom- pression strokes, may so foul or dilute the charges that they fall to fire. When your engine is hot, see 1 have renewed the wiring and had the battery repaired, but. ©. R. asks: Would cloth of suit. ble mesh, arranged to loosely Forse the carburetor air-intake, act s an effective air-cleaner? § 1 Anawer: Cloth of very fine weave frould be required to exclude the ner dust particles and it would Pave to offer a very large area in rder to permit the entrance of alr ith such perfect freedom as not o reduce the amount entering the sarbupetor so much as somewhat to Anrottie the engine. - Removal of {dust by centritugsivseparating ac- ~ tion seems to have advantages over the filtration method, especially in that there is mo filtering material which requl freq 1 ing or © §f there fs ¢leatance between each' redewal, & Bhorteireuits A SHORTCIRCUIT OCCURS WHENEYER any uninsulated part of a circuit, connected with the "live" side of the battery, comes into direct contact with any "grounded" part of a car, or pul more con aretely, when an uncovered part of a wire touches the car frame or anything metallically connected with it. . Pire And Sialling Dangers Unless a fuse or circuit-breaker acts to break a shortelreuit, the N | the ever-increasing demand for gaso- producers are || line in ' America, getting so far ahead of themselves thet they're trying to conirol the present output. Out of more than 750,000,000 badrels of crude oil produced in the United States have come almost 11 billion gallons of gasoline. Improv- od cracking processes, less waste in production, and use of more natural gas gasoline, have brought this im- mense production far above what is needed for the automobiles and other engines of to-day. And while there seems to be mo sign of a drop In production, there are some who are already turning their attention to the possibilities of other fuels for automobile engines. In fact, there is even more promise today of getting more gasoline out of a definite amount of crude ofl than at any time heretofore. Te demand for gasoline last year reached a little more than nine bil- lion gallons, More than a billion gal- 'otis of gasoline 'have evaporated trom the excess crude oll produced last year. That's why producers want to cur- tail tBeir production. "There has been u Teal overpro- duction far beyond our economic needs," says Dr. Gustav Egloff, prominent mining engineer of Amer- fen. "The fundamental cause has heen the marvelous technical achievement of the cracking process for producing gasoline from heavy oils. "Without this process our néeds for crude oil would be more than a billion barrels for 1926 instead of the 500,000,000 barrels now Te- quirde. "The earth should remain ¢he storehouse for this natural wealth until needed by man. Instead of continuing the present wasteful methods of stordge, 'we should run the ofl into the pipe line and imme- diately into the retimery to be pro- d into cracked, gasoline and other products." ~ The world's production of crude ofl jast year was 1,066,000,000 bar- rels, of 42 gallons each, an increase of 5.2 per cent. over the peak of 1928. Almost three-fourths of this came from American soil. ------------ Single Auto Control. Effort are being made in Illinois and other mid-western states to place automobile law enforcement under one head instead of vesting chine. The price will suit the most oonservative purse, and will outlast a paint Job by months. For the owner that desires to paint his own car we | have BRUSHING DUCO on Sale. OHLKE & BRADEY Authorized "Duco" Refinishers,' , CODNER QUEEN AND ONTARIO 8TS., yet moothness Sixty miles an hour and more is not un- common among able motor cars. But sixty miles and more with perfect smoothness and steadiness is rare as to be virtually exclusive to the Six. This unmatched freedom from vibration at all speeds is. made possible by a new inven. tion, The Harmonic Balancer, described by automotive engineers as the outstanding achievement of recent years. If you have not seen The Harmonic Balancer --if you have not tested its remarkable effect upon motor car performance--drive this new Oakland Six and experience the new thrill of an unvarying smoothness. "very large resulting current may burn off the wire through which it 1s flowing, may set the car on fire and will soon discharge the battery and make the car inoperative. Some cars have nothing te break such "shorts," which continue until a wire melts. but most have fuses 'Or cireuit-breakers. The starting motor circuit is never so protected. Precautions To Be Taken . Fuses or a ciccult-breaking device may advantageously be installed, as additional equipment, on cars having no such protective devices, and on all cars. occasional inspections of all wiring for weak points, ip its covering and for too close prosimity to grounded car parts should be made. Any possibility of a "short" in tho starter eircuit, such as worn insulation and improper support of the cables, should be carefully ° guarded against. Even though protective devices are in use and work ™~ this power in four or five directing "OAKLAND SIX . PRODUCT OF OENERAL MOTORS properly to avert damage. it Is often a tedious job to locate a short circuit and especially so in the dark or rain. It is far betier So forestall any such trouble, TIRE NOMENCLATURE © La O. verites: car ride easier 'Some of and a temperature of about 375° F, ts required to remove 70% of them. Since 400° F. is the usual flash point of engine oll. at which de- composition of the oil itself com- mences. this témperature presum- ably should not quite be atlained in any attempt to distill oft. fuel diluent, . rtp IGNITION. FAILS WHEN - 4 any kind thoroughly inspected ACCIDENTS Remember that 83% of accidents hap- pen through personal negligence. It is for you to avoid these accidents by having your automobile, boat, engine or machinery of and put in Let us estimate on your requirements and we can guarantee satisfaction, both in ; the workmane} ip and prices. PA