Show I COMPRESSION VITAL FACTOR Expert Advises W Watching Engine For Por Leak to Avoid Gas Waste By Dy mil rn RV IN Greer Gr r College or of Automo- Automo tI Jre e trig An Important detail lo to Hatch atch and that which keeps keep the he engine running Is compression An engine ln 1 with Ith faulty ault compression nay may appear to run fairly well hell ell when the car h 1 I rolling roIlIng at a II re speed peed or when It le I working hud herd Lot Lost compression shone sho chow up liP when the car Is being driven en at at th ely low speed I I Under either ot of thee the conditions the tho engine enrin will run with an Irregularity Irregularity Irregularity larity that makes the ear car jerk or jump Instead of or running steadily as asIt asit It hould should This condition Indicates that there her is 1 I considerable 10 loss or of power and that much more moro gaso- gaso gasoline gasoline raso line Is being burned than when the tho engine Is developing Its full powerS power WASTE STE S OF or G a ts Thousands of gallons of or gasoline are arc wasted every etry day by hec because ue of the th Inefficient opere lion of their engines en In tact fact p gasoline may be bo cut In to half through compression loss rod still the engine may continue to run fairly well nell ell according to the IdeAs of the amateur driver It rr the engine la Is I not running hell helland welland ell elland and a n compression los loos lo li is I suspect suspected ed the easle easiest t wa way to detect It I is isto to use ue us the th crank and turn the tho ens en- engin en-eln en gin glee oter o 0 er or h by hand thus feeling the tho compression In each cylinder You will nearly nearl nearl alway always find that thit some pistons will go over oter compression much Nl easier ler than other others and this means that hat som here there thero is 1 I II a aleak teak lenk in this thi cylinder c Under The 1 0 number nl ber of mile miles which a car clr should run without hating ha the I takes reground varies creati greatly dos de- depending ilo pending upon oiling and other con can con conditions il Ins VM-VES with the tho th a car under nor nor- normal normal probably mal running conditions It ft Is proba proba- probably bly bl blIs nice v Is to have hate tho Calves alve ground found least leat miles depending upon tho the un r-un- running condition of the th engine |