Heavier motor oils are being used in automobile engines than are generally recommended by automobile companies; motoring public depends largely on service station attendant to supply correct grade; method of correcting excessive use of too heavy oils; cars will not start at O F with oil of over 30,000 sec viscosity in crankcase; suggested table of oil recommendations explained. Before Am Petroleum Inst. (See also Am Petroleum Inst -- Proc (Sec II Div Marketing) v 14 mtg Oct 23-6 1933 p 6-9 duplicated in Sec III p 6-9 (discussion) 34-6)
Automobile passenger-car motor-oil recommendations
Petroleum World (Lond)
Petroleum World (London) ; 30 , n 398
1933
3 pages
Article (Journal)
English
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