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‘Hints for the Motorist “Y A1“°“' _'r °'°“?“

_ _ Editor Motor Service Bureau, Review of Reviews R

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EXTRA LUTQRIGATION BY MIX-

; -runs Msrilocvs '

H, fl. J. ,wrlt°': . liofore lliylng up

my ritr. i had new piston rings put in and have been advised that, when pineiiig it 'service again, _il add aboufn pint' of oil _to each five goi- iom. of gasoline mit into the tank! w furnish “extra ,_lilllrit_~ntion for the 1-in;~_;f_» \\'hllc-they were, Working in. Wiinr. result will' _,li\is_~ho_ve-anti will ll o-"i'.ii,'t ti|ejQli9i)_UilE? , _ iAnswerfi‘ 'l‘li!s'.ls n good idea. ns.

small amount of oil is brought in with thi, fuel mixture and deposited

upon the ripper part. ol' the cyliiiuer wells. vi_'licl;_`_ the splash lubric'a.tlon froin the _crank case may not reach ¢.ip_~-_-givoly. `ln case the rings ure ox- ces.~'l\'oly tight. It will reduce thc dmiwir oi’ thonew rings scoring the cylilldcr wnlls.- ilieforo starting the 4-ngiize. lt will be well to inject ti llttlo oil on tori' oi' ouch piston through a`vi1i\\¢"cup or i-ipark-plug opening. We think. yon will llnd thai the oli mixture has no troublc» some effect upon the gnsolino

PREVENTING ACCIDENTAL BAT- TERY DISCHARGE

L. H. C. asks! Woud it not 'be

well. oil storage battery equipped cars. to lusts-ll u switch, by which til., liatl».‘i~_\- ciri~uit could bo broken. when tho cur is not to be used for several diiys ut at time. thus advoiding wllstiiof current through a,ccldental` leak.; n' the wiring

Answer: The idea is excellent, but

we doubt. its pinctictibility. You would lla/vo to use n switch oi’ large cup-arlty in order not to introduce resistance that would affect 'the starting currciit and you might have trouble in finding room i'or such a~ swilvii. whore it could not be short. clrouited or affeotcl by dirt and liquids. introducing unnecessary contacts into an ulreiidy complicated, to-stein is i;eneraliy inadvlszible.”espe~ cially when they are vory seldom np- ertiteii. Frequently inspections of tho

wiring; a reading of the ammeler,

when you trove thc car to seeitbat it shows no discharge and the re- moval of a battery connection' or of lhogmund ronnectlonwhen the car. fh to be laid up. are precautions

ugalist uccldcn tal discharges.

WEAK _COMPREGBIOPI AFTER

= ~UVEHHAULlNG _

J. S. S. \vrlt°'¢ l recently decor-

honipod my engine and put in a new headgaskot, which l know to be per- fect. but. _did not grind the valves. a.s_tlie_\' seemed all right. V Two cylin- ders now show poor compression al- though thi-ly prevously were tight.

llow can I tell whether tha rings or

A"'W°"= Takeaoioce or i-usher

|l“"ifl§_ or hose and insert one emi well into the crank-case breathen or _"H 'mel' Oiiening. Remove all spark. ‘PIUSH except that or the cylinder be lug tested and have this cylinder Ufdllked over compression, while someone listens at the free end of the rubber tube. if the rings leak, .vou should hear a hissing escape of nir in the crank-case. By inserting lilo llrlltirlllllg tube into the carburetor Lili' intake and cranking the _cylinder over, the blow back of air through a _leaking inlet valve can usually be perceived. but without dsturblng tho piping. this test cannot be applied to the exhaust valve. If you have dis. ,turiietl the pusll-rod adiustments, |p_\ii-liaps ;-some of them may be ‘ so :close as to bold their valves ` open _Look out for particles of carbon on lille valve seats and remember that _unless oil has fully worked in under |ilie valves leak? ‘

I _

l GASOLINE SAVING DEVICES

If All Economy Claims were True,‘ One Could “Run On The Smell Of

, The Can."

-_*_

Tilt* llurilose of this article is to rc-

vicw thc various classes of devices the object ol` which. wllolly or ill part, is "lv “Vine of fuel, and to make ll ft-w renlurks concerning each. Billet- tile llfices ol’ gasoline have risen to its Dissent high level such devices have multiplied rapidly, have attracted in. creased notlc., from motorlstsand are

the subject of many inquiries.

~'\\1X|U'&l"y air devices: These are

ol two general types. the aut.onlu‘E::. typified by the spring controlled, suc- tion operated arrangements. designed for insertion into or connection to the intake mai:-told arid known as manl- fold plugs and by many special trade naiines, und the hand operator! mani- fold air llilaiko, with iloeiile-vulvc con- trlii. frequently couibincd and a water irjcctlon ond printing dev,li:<- lu- slrurnents oi' both these clliiisea oitcn give ilatlei-ing results when us~e'i with it carburetor that dtllvers an overrif-ll mixture but, as those of the fir;-it mentioned class work upon the cont pons-ating carburetor principle, is hard~ ly to ,he expected that they wil ae oofmplish any economy that a good, well adjusted carburetor cannot. De vices of the second class can the mado to effect a. fuel saving by producing il leanor mixture than ‘ the carburox.: can jndicously _be adjusted to deliver. when a car is speeding on the level and iz weak mixture can profltiiblv be

_i1iiA1.@-.-§»~1f»°»-l‘?'-= -L. ~ - _-Y ' _*_ _ 0 'rHa__cnA_i;l._crra;9ws _,GUARDIAN

Hilti such devices generally. noon iii, come noglociod. '

_ Water vapor devices_: The ins; saving value of these is hardly egggb. lished but ln so far as they prevent lJl‘0iSnitlon due to carbon deposits ni

ins.

H0w0seui2il1_s\ devices: These

consists of wlro gauze cones or rotab U18 fans, inserted in the path of th, in- C0"l§l15 llllllrses, designed to break up gasoline _entering in the liquid state and tllus ;o\prevent manifold loading ’l.‘hey are of some value, especially when the gauze is so arranged as to conduct hear. into the mixture.

Liquor or solid substances designed

to be added to the fuel in the tank: The inorlt of the tablets included. in the' class is extremely problematlcal and, generally speaking. even soluble solids are rather cbjectabie in a gasoline tank. Liquid gasoline “dope” if it contains lubricating oil. may save a little l'uel by reducing engine friction. (ine illllorerlt trouble with such pro- parutions is that their use is too troublesome to be long persisted in except by the inost “long suffering" motorists.

RENOVATING CARS

M. S. asks: is it profitable to have

two old cusings sewed together to make it new tire? There are parties that claim izreot things for this proc- ess. _

Answer: We doubt lt. the follow-

ing being some of the objections which we have heard raised against the process: The result is it very thick. s-tiff shoe and one with too thick a wall, can hardly bend ade- qiiartely to absorb road irreguiartles without faliric breakage. which 'short~ ly leads to ii blowout. Such a thick stiff casting makes a car ride hard. heats to such an extent as to destroy the tube prematiirely und absorbs ex' cossive power. Br-lm; built up ot t':ilii'ic. pri\.'i\iin:i.h|_v already i-onsidon alilo ileteriorntod. if has less strength than might. be supposed. As this process is sometimes carried ont., the outside fabric in not carrietl to the head und side wall blowuuts-very ciilnlnoii with all castings-are likely

to occur very early _

INST/\LLiNG‘ SPOT LIGHT

T, W. F. asks: liow can i wire lil

a spot light to be operated from the Ford inriglleto? Will its uso reduce thi; driving power of the engine and th._» bl'lllinllcy_of the headlights?

Answer: One of the -back tor-

minals of :lie reg,ular lighting switch is coilnectcd direct -tio the lnagneto. From this terminal. rlln a wire to one connection of your spot iight

used. However. lmnii mixture re-I guiation ii; something that few niclo-

tlio rings, they cannot he tight. _

rists desire to burden thernselves with

switch and from the other spot light switch terniinai to one connection of

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HORNI I Go., 8|ln'A¢|nt\ mcuannls. sos. oaillmvrinse

giechanism and quality in the material and workmansliip. Tile

i McLaughlin LIGHT SIX stands i

up io every test and cuts down the cost of motoring. Many owners of this mociel get over 80 miles per gallon from gasoline

eight io ten iltousancl miles On __-

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"§\ i _']1\¢NlcI._._nu8h|tn MolofC4rCo., Unltd i

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tires is not unusual.

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' _ 5 _.1-__._7. i_ Hot air collecting devices and dash-

' _ I i 3 i F lboard mixizure adjustments: Every

// iii _ i ' ' ° i ‘ engine should be fitted with these, if 1 i i ' I _ _

/ ` The McLau hlin ,trade mark is n

efficiency in the

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Su the new McLaughlin Medals a\the local show rooms V » _

' " .i. srautlv w|ni.oci< ommi imier, ciiiii-immwn. r_.l:i. _ _

°Ul9r causes, they assist in fuei sav~

I I

|llle BDO! light socket. thou connect ,the other wire of the spot light to

§l‘0\l|ld} bk' clambfllg its ond under- il franle nut OV Other convenient metal part of the chassis. ii: ym, spa, _light bulb ia. now seriously disinrbed ignition or _the regular lighting. on a car which' has the large mngii¢_,i0_ Spot lights should be burned onlv- wheu really necessary. Many nntp. ulobil Laws are very im-ici as to their use. _

TIRE INFLATION QUERY- S. B. asks: ls thereany iilffci-4-ni

oltect produced upon tires, wlir.-ther luoist or dry air is used in inllntiug _tllcul

Answ¢r: l’i‘actlcally speaking thcrc

‘is none.

eAsoi.ii~s sAviN'c Devices i

\ l

Speciui ignition devices: This class

includes magnetos and battery sys. tems claimed to produce extra hot sparks. spark-plugs with numerous.

peculiar points, two pings ln series

iii the siiule cylinder and the llko.l Modern cars are all equipped with lldeliiluto -ignition systems and it has 1/ot to be demonstrated that tile luol

i»ii_|clency from a spark is in propor- tion to the olectrlcni energy it con- llilns. or that there is anything better than the conventional form of spark- plug. Twin sparks may effect gasoline uonomy in large, T head cylinders,- biit their advantage in small. modern -ziglnes is questionable. Piston rings: Numerous forms are

upoli the lonrkot, which ure clainlerl to produce exceptional piston tight- ness. Ag this is absolutely essential to fuel efficiency. especially at low engine speeds. they are of value lri proportion as they perform their func- | lion and secure it more perfect reten- ‘lori of compression. 1

Waiter temperature controlling de-5

vlci»~s: These may he automatic ther- ‘ iuostats. acting to regulate the jaclgivt yi-mpurilturu to a fixed point or main ually operated shutters or curtains ver the rfidlator front. As ‘ii very :insiderable loss of fuel. particularly it snarling and in cold weather. can »i» avoided by the prompt rciilizatloii il' ll. suitable cylinder wall ti:nlpi-l'a- ture. these devices are of I-U95! \'f\ll"’f This automatic type has the urivantsllt: sfroquirlng no attention from thc

fipcrzltor. but both typos are cainllilf- of noticeably increasing fuel cilicicucy hv insuring better vaporizlltioii. | ilenteel ill'.ui`it'_oliia: Here are included ’;:ukcl.ed iiltnkes with st-parntie ex-

‘uiust inani'olds cast together or so :init they `.i:i\'e il hot spot ill_‘conlnlori. ‘dost recent col-s are equipped with these, but old vars are not and till: lat1e’l' require thc application of he-at to the intake systein. lil order that suiilclont vaporization mal' he attained as to lead to reasonable fuel economy.

This is a very useful glass of l’uel_ saver.

New corburetors: Carburetor con ,

struction :lims to keep pace with changes in fuel quality and the'iatce-it c:ii-burctors hnndle heavy fuel better tlla_n the older ones. One ol' the lato design often iiiliirovcn ongine ef- iiclellcy but. as tho carburetor is a fuel measuring rather than a fuel vaporlzing device. it is hurdiy worth while to' install one on nn insutlic,lont'_-

ly heated ilituki, system.

gasoline saving is a consideration.

(Continued) HILLS T00 STEEP FOR GRAVITY FUEL FEED

A. P. J. writes: .\iy Ford Sedan

will not climb some ot' the steepcst hills in this city. _\lter its stalling on one of 'hese. l disconnected the gasoline pipe nl the carburetor and Bound that l had to lower the do-i cached 'ond three inches below its point of connection before gasoline it-solo flow from ii. although enero were nearly ilvc gallons of fuel in the tank. How can l remove this ditil- culty?

Answer: The fuel dow on theso

with a larger amount of gasoline in the tank, than does that on the Onan models, because the tink Of U10 closed models is of a somewhat fiat form, wlilio that or the owl cm is cylindrical. installing a vacuum Nei food system ts the remedy for your trouble and we are fitlile Clif” lm"- soine of the manufacturers of these ",109, 5” ‘mi-nigh you with such apparatus, with special dttinsl for

munun' giiexnx. Some users have lgiimiiod ui ui fuel tanks, BP pai-atus for creation il temponry pmggqi-3 feed, consisting of a hand-_ wanted m. .pqmpi delivering into M mp or me tank. is :wht \1°¢\°" me iiiigr mp to maize it air tililt and means for venting the f-till

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i Yesterday a good O ._ _

s Maxwell »

-Today a Better One '»f»~~» i-if-»

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HAT is the policy ot' the Maxwell Motor Company.

It began five years ago on a single chassis plan

and today 300,000 Maxwells have been built on this

program. '

_ Not 300,000 Maxwclls identically alike-~for that would

be admitting that the car has never improved in five years’ time. '

More than 1000 refinements have been made in the

Maxwell. .

But the original chassis plan was not changed. It has

simply grown better as the days went by.

The logic of building one thing and thus building it

well is too clear, too sound, too emphatic in results to argue against. _

Like any line piece of machinery the Maxwell seems to

improve with age. ‘ ‘

It runs on and on without end. We have never heard

of a Maxwell salvaged.

There is no car with a better road ability record. And

it saves many a thrifty dollar by shying.at the repair shop.

This Maxwell you see today is not a new, Maxwell;

. though many persons have thought so. It has been so much

improved in appearance that our contemporaries in the trade repeatedly refer to it as the new Maxwell. ' ‘

However, good looks have not in any way handicapped

its running. And the latter is the main thing, after all, in.a motor car.

THE MAXWELL MOTOR CO. OF CANADA, Limited, WINDSOR, Ont.

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Pressure is not being used. We "<51, ommend the vacuum feed al‘\‘i\\\8°°

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ment rather thin this. '_

Balanced Value

Value, as represented in Gray DortiMotor Cars, is a union of good qualities. _ Jtrengtb that means faithful service, free from trouble, yet sacrificing nothing of the Iightn ess so essential to economy. Beauty unquestionable, that yet allows for every efisential of good engineering. Comfort, too, both in riding and driving. And then a price kept surprisingly low by factory efficiency and big production. You need in your car all the qualities_ the Gray Dort has. _And pro- bably you need nothing more. (lcrtaiiily you can get nothing more without paying very much more. The touring car is $1245; thc Gray Dorf Special ~~ the car with added roilnementl ini

extra equipment, is $135 extra; thercnre also ii coupe, and a sedan. All prlcen,f.o.b~ Chatham and are subject to change without nof`cc.

GRAY boar ivlorolzs Limited

_Cl'|nth\m, Ont. i i ‘ R. ll. STERNS, ' - . _

Charlottetown, P. ll. l..

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