1929-04-20 — Page 16

Fit

THE HONGKONG TELEGRAPH, MOTORING SUPPLEMENT. SATURDAY, APRIL 20, 1929.

DUNLOP

British as the Flag

FIT

DUNLOP.

The Tyre

that Carries

London's

Buses.

DUNLOP

WITH THE BUTTRESSED TREAD.

There's a Dunlop Tyre for every make of car or bus and for every standard rim.

DUNLOP RUBBER Co. (China), Ltd.

Pedder Building.

Get behind the wheel and Get the facts!

Tel. C. 4554.

Buy your car on

a business basis--- check power, getaway, swift- ness, hill climbing --in actual tests---that's all that's needed to prove Buick

Superiority/

A kind and degree of performance so new-so indescribably superior-induced more than twice as many people to purchase Buicks during the past year as any other automobile listing above $1200. Here is ample reason for discarding old buying habits. Take a Buick, Drive it in traffic. Try it on the hills and on the straightaway. Test it in your own way and at your own pace. Measure carefully every element of performance. Get behind the wheel and get the facts... then you'll get a Buick! Buick Motor Company, Flint, Michigan, Division of General Motors Corporation,

HINTS

FOR THE

MOTORIST

ALBERT L. CLOUGH

THE ENGINE TESTER.

FUEL SUPPLY.

The Chevrolet's New Gasoline Pump."

One of the major improvements| | În the now value-in-head six cylin-| dor Chevrolet in the A.C. fuel! pump, which insures a positive and uniform supply of gasoline| to the carburetter under all driv- ing conditions," regardlose" of en- gine speed, load or road grade. This means better idling and bot-

The mechanical ills of the auto drop again. By setting the piston tor performance at all speeds, ro- engine are mostly the results of gas partway down on its power stroke gardless of traffic or road condi- leaks and of lost motion between its and alternately developing com- tions..

various working parte. These pression and suction a foose platon The fuel pump' in mechanical, develop under the gas pressures in will be caused to make its char- and fool proof. It works from au cident to its operation, but it is acteristic slapping sound. The] dificult to locate them definitely, pump carries, a pressure gage by accontric in unison with the on- while an engine is in motion. How means of which compression of the gine, the supply of fuel Incross- ever, if a controlled gas pressure several cylinders can be compared ng directly with the engine speed. can be applied to a cylinder of an when the engine is run at constant The faster the engine runs, the more fuel is needed, and the more engine, that is at rest, conditions speed by the starter motor.

the pump supplies.. comparable to those existing during

A Dend Generator,

A fuel atrainer is built as an its operation can be reproduced, lenkago will occur and lost motion

Integral part of this pump. Grit Question:-Please inform me be developed much as though the how to adjust the generator on my or dirt in the gasoline causes un- cylinder were working and the ex- act location of leaks and "play" be 1921-car, which has lately even running, loping at low speeds; spitting and missing, tween parts can be determined, stopped charging entirely.

Answer: Remove the band which intposes a strain on the since the parts are stationary and subject to close examination. A around the and of. It and clean the operating parts of the engine. commutator with fine sandpaper, Before any fuel can reach the car- form of engine teater, that is be it is dirty. If the brushes have buretter it must pass through the ing marketed, accomplishes the worn down very short, replacol fino mosh screen of the strainer, above resulta, It consists of them with new ones intended for insuring clean fuel for the engine. hand-operated plunger air-pump, much like a tyre pump that can be use with this make of generator. The strainer also separates water connected to re cylinder boing See that all connexions at the from the fuel.

There is always more or less wa- tested by a fitting screwed into the generator, ammeter and reverse- spark-plug opening. Pushing the current cut-out are tight. If this ter in gasoline, and unless it is re- plunger creates an air pressure and does not restore charging, remove moved before reaching the car- the cover from the reverse-current buretter, it will settle to the bot- pulling it tends to create a vacuum cut-out and clean ita contacts with tom of the font chamber, and as in the cylinder, and it is thus cap- able of applying upward or down- a paper drawn between them, it accumulates it will be sucked while you hold them together. Into the jets, and the engine sud- wardly directed force to the pls Start the engine and if charging denly steps, for no apparent rea- ton; by the alternation of which lost motion of the parts can bo does not commence, touch the con- son. In winter, the water is par- developed. In testing for leaks, tacts together momentarily tlcularly objectionable because it Should this not catablish tends to freeze, stopping the jets the cylinder in question is set with hand. its platon at top centre of the com- charging current, you better con- and needle valve, making it neces- pression stroke and air pressure is sult an electrical service station, as produced and maintained in it. something is likely to be seriouslysary to thaw out the carburetter, Escape of air through the carbure wrong, possibly an open circuit in by the use of hot water or other meana, before the engine will ntart. tor, through the exhaust port and the generator windings. into the crankcase, indicates re- spectively inlet-valve, exhaust-valve and piston ring leaks. If by work- ing the pump plunger rapidly back and forth, with the piston in the aforesaid position, a knock is pro- duced, which does not jar the crank- shaft, a loose wrist-pin is indicated, but if the knock. can be felt

Identifying the Carbon Knock. The fuel pump has ample capa-

city for the most extreme condi-] Question-My engine makes a tions, and can pump several times clicking knock when the car is the amount of fuel required by the driven up steep hills and I don't

know whether something la loase car at any speed.

or whether it is merely that the cy- linders are somewhat carbonized.!

I don't want to have any mechani- your engine, it will probably ocase, by touching the crankshaft, cal work done on it, if the trouble la if you use a gasoline containing looseness of the connecting simply carbon or from using a poor detra-ethy-lead in place of the un- rod bearing can be inferred. quality of gasoline. Is there any treated fuel, which we assume you A strong push on the plunger, test I can make to show whether are now using. Drain the gasoline followed by an Immediate this la a carbon knock or one caused out of your car's tank and put in a quantity of this anti-knock fuel energetic pull, will also tend to deve by loosenos of the engine parts?

Answer: If this noise comes and If the knock disappears you lop any existing looseness at the! main bearing near the cylinder from carbon deposits or from using can be reasonably sure that the tested and the crankshaft can bol gasoline that will not burn smooth- clicking you have been noticing is felt to move upward slightly and ly at the compression developed in not due to any mechanical trouble.

New Lines impart

CHRYSLER above

all others.

SOLE. AGENTS

The Republic Motor Co. of China.

(Buccessors A. LUNG & o.

Auto Dept,).

30, 38, Des Voeur Road,

New Beauty

A New Engine gives New Power & Speed

To see the New Chevrolet is to realize that there has finally been achieved in a low priced car those qualities of beauty, grace and distinction heretofore attained only by the exclusive leaders in cuşom design.

To inspect the chassis is to discover feature after feature of advanced engineering design once thought Impossible to provide except in the highest priced automobiles.

To drive this sensational car is to experience an amazing revelation. For here is all the delightful smoothness which has created the preference for the six- made even more marvelous by that outstanding economy of fuel and upkeep which has been characteristic of Chevrolet for 16 years.

May we take you for a drive-to-day?.

Buick

WITH MASTERPIECI BODIRA ET FISILIK

“Tha New Busch--The New Style?

Buick Motor Cars are available Од very attractive Hire Pur chase Terms.

THE DRAGON MOTOR CAR CO., LTD.

Telephone Central 1246 or 1247,

33, WONG NEI CHUNG ROAD, HAPPY VALLEY, WHEN BETTER AUTOMOBILES ARE BUILT BÚICK WILL BUILD THEM.

A Six at the Price Range of a Four

THE HONGKONG HOTEL GARAGE.

The Outstanding Chevrolet of Chevrolet History