A Ford Improvement in Carburation.
Page 62
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THERE are so few changes of any considerable magnitude in the chassis details of the Ford that one which appears to have a considerable effect upon its running deserves special consideration, particularly as the claims made for the improvement should appeal to all users.
The Ford Co. informs us that at present the device is standard equipment on all Ford ears, and we presume it will apply at least to the light van, either now or in the early future.
The improvement consists of utilizing a hot-plate vaporizer of Holley make, which is formed as a unit with the Holley carburetter. The details of the device can clearly be seen from our illustrations, which show it fitted to an engine and in section. It will be seen that the exhaust gases are carried round both the ducts by which the petrol vapour is conveyed to the mixing chamber, and that dismantling the carburetter is quite a simple matter, effected by
removing four nuts and undoing an accessible gland nut.
Seven main advantages are claimed for this new vaporizer :—(1) That when using low-grade petrol even constituents with the lowest flash-points ar3 completely vaporized, so that wet petrol is not conveyed into the combustion chainher; (2) the apparatus provides increased acceleration and power ; (3) owing to obviating crankcase dilution, the lubrication is better, there is less wear and tear in the engine and no waste of fuel ; (4) pesit!.ve acceleration is provided at all speeds, thus giving smoother operation ; (5) starting is made easier, particularly in cold weather (although this would, of course, not be due to heating except in a start made with the engine still warm) ; (6) the engine warms up quickly in the coldest weather, and this without causing overheating in hot weather ; (7) the formation of carbon due to incomplete combustion of the fuel is practically obviated.
Since writing the above we have learnt that the device will be standard on all Ford vehicles.