Show Oil Filter Saves Wear Wearon on Engine Piston Rings I An it Interesting test conducted by the IS agricultural experiment sta ita- bop In rock tork done a Vew view to det determining the by oil U filers 10 tar ear used on mo- mo engines Is U described In the L A. A S E. tan taa Two Journal by Prof A A. A ii II Hoff- Hoff her cars a roadster with doher do- do body and a C coach ach- ach Were used the liter Iter au but being b hYI hyt assed assed on the r road road- ad- ad left to function on the coach kit ears were lIere wearIng engine parts Parta of ot measured and nd- nd where Weighed After before the test teat IO each car had been run about tulles mil ot of lent USe flip the approximately and were sent In measure The The on co the Oe piston wear bas rings as determined I of weight by tact II approxImately OUt cot much on the ma the with filter t The wear on pistons Patens bearings rw e and the Was to too slight to toy drawing ot of any y conclusions |