Show I I CARBON BUG BUGBEAR EAR EARN 0 ON ONT N T VALVE TE SEA SEATS TS I Ever Eer since Internal combustion motors motors motors mo mo- I tors designed tho the problem of or keeping tho the valves es and valve s al scats seats I free treo from carbon has been one ana that has bas caused engineers much concern I According to Bob nob Evans of or the A. A E E. Evans company Southern California Pal Paige e distributors it is a problem that has Increased in importance with the tho poorer grade of ot gasoline g that thal motor motorcars motorcars I cars carfi must use uso today Carbon results from imperfect com com- comI I i bustion an and with Uh the thc low oto sta grade o fuel ruel must mURt put up with these days dars It Is h harder than ever er before to secure perfect combustion said Evans E last week The Tho chief harm that carbon carbon carbon car car- bon doe as most motorists know is to collect on the valves and valve alvo seats and prevent the valve alve from tightly closing during the compression cycle ccle Paige engineers discovered a wimple simple and effective way to prevent pre this When hon the valve alvo Is la lifted lilted tho the valve vale o spring Is compressed and as It compresses compresses compresses com com- presses It also turns slightly In an at attempt attempt attempt at- at tempt to wind up to resist the compres compres- sign sion As the theale valve e cornea comes bade back to Its scat seal the compression on tho the spring Is released and It Il tends to unwind |