Show I 1934 Chevrolet lIng an entirely new nev design of compression head and other features ney nely to passenger er car motors the Blue f engine with which the 1934 1 k knee a action tIon Chevrolet IS powered is the mist m st powerful and efficient engine ever eser e r to be produced bv by Chevrolet Chevrolets Chevrolet's 1931 t power plant is not only more PO powerful erful but smoother quieter and more economical than any of its predecessors predecessors sors With the same bore and 3 stroke stroke 3 x 4 this inches inches years year's earl motor his has a maximum output of 80 horsepower er t at revolutions per minute and produces produce a torque of foot foot- pounds through h a n speed range from r p m to 2 r p mOne mOne m mOne One of the most important tant improvements effected in thIs remarkable motor is in m the cylinder head development nt work on which was al begun over three ears dears ears ago and perfection of whIch involved literally thou thousands upon thousands of gruelling test miles at General Genera Motors Motors proving ground The possibilities pf this new ne type of head held design were dis- dis discovered discovered dis discovered covered three years ago when Chevrolet engineers were asked to design a type race-type engine with a very small piston displace ce displacement ment and which would deliver exceptionally high power passer ThIs naturally demanded valves sales of larger diameter than could be placed place in m the available spice space in the conventional manner The Tho design which accomplished the desired results pitted paved cd the v y w-y y for the 1931 Chevrolet engine To explain c the general l changes ch es in the cylinder head is a not too technical manner mariner it might be said Id that th Chevrolet engineers succeeded in controlling detonation in m the head by absorbing the heat from front the last s g burned and a same time saved power po and economy by not nb absorbing h heat at from the gas whIch IS burned first This was as accomplished by an entirely different arrangement of valves States hes and spark a plugs p gs a singe angle at which they function RIton ut C y I BOUNTIFUL PHONE IONE 80 |