Flathead V8 – New Information On This Issue..

In the history of car engines, it is extremely hard to overstate the significance of the V8 design. By splitting up the eight cylinders into two banks of 4, engineers accomplished a powerful, but lightweight device that could match the vast majority of engine bays also size to fit four or 6-cylinder engines.

Ford did not create the V8 engine, nevertheless it can be fairly claimed that they brought it into daily use. Some Western marques and Cadillac experienced V8 motors years before Ford developed the engine that would produce inexpensive performance and make the foundation for hot rodding.

First Generation – 1932-1938

The very first of the Ford L-head (flathead) V8 motors left the factory on March 9, 1932. This motor used a 90-degree block, with the valves located next to the pistons, pointed upwards. The heads are not really flat, having 4 spade-shaped combustion compartments to support the movement in the valves. The gear-driven camera was based in the motor block above the crankshaft and involving the tube banks, traveling solid lifters that acted right on the valves. There were two drinking water pumping systems – one for each and every tube head.

The piston bore was 3.0625 in ., and the crank provided a stroke of 3.750 inches, for any total displacement of 221 cubic in .. Compression with stock heads was a conservative 5.5:1, which yielded 65 hp at 3,400 RPM.

Stock induction on the new flathead V8 was with a solitary throat downdraft carburetor plus an aluminium consumption manifold that sat in between the banking institutions of cylinders. A normal stock 65-hp Flathead V8 ought to produce fuel economic climate at about 20 Miles per gallon.

This motor can be recognized in the area by counting the tube head studs, which you will find 21 per part. Later on enhancements decreased the quantity of studs to 17.

The flathead V8 was significantly under development in the early years, and alterations arrived annually. Earlier 1932 Design 18 engines had a track record of using oil, porous castings, and cooling issues. In 1933, a change to aluminium heads raised the hp ranking to 75 for your Design 40. Cooling was also revised and improved.

1934 saw the arrival of any two-barrel Stromberg carburetor, increasing productivity to 85 hp inside the Design 40A. A cast steel crankshaft improved dependability. This is the generation from the V8 notoriously praised by bank robber Clyde Barrow inside a letter to Henry Ford.

For 1935, the Model 38 obtained an up-to-date camshaft. With this point, over 2 thousand Ford flathead V8 motors have been created for Ford automobiles and vehicles, and then for commercial use in other automobiles. By 1936, the motor was referred to as a Model 68 and production approved the 3 million mark.

Inside the 1937 model year, the Ford V8 purchaser was offered a selection of aluminum or cast iron heads in the Model 78 engine. The cast iron heads provided an increased pressure proportion of 7.5:1 and ended in 94 horsepower compared to 6.2:1 and 85 horsepower with aluminum heads.

Also in 1937, Ford brought out the smaller 136 cubic ” Model 74 engine, rated at 60 horsepower and 94 pound-feet of torque. This motor grew to become called the V8-60, and can be recognized by the 17 head studs. This engine grew to become popular in racing as well as for general use since it supplied much better fuel economic climate compared to bigger motor. 1938 saw ongoing manufacture of the V8-85 and the V8-60.

Second Generation – 1939-1942

For 1939, Mercury added a brand new variant of the Ford flathead V8 design. The newest engine was bigger, displacing 239.4 cubic in . by virtue of any longer 3.1875-” cerebrovascular event. In a stock pressure proportion of 6.3:1, the newest Model 99A provided 95 horsepower. V8 creation approved the 6 million device tag in this calendar year.

Both the 239 and 221 cubic inch engines switched to some 24-stud head bolt design for 1939, which makes them aesthetically distinct from motors made prior to this time around. Creation ongoing in 1940 and 1941 with few modifications. Mercury buyers wwmlyd the 239, and Ford buyers received the V8-85.

By the starting of 1942, America experienced entered the Second World Battle, and incredibly few civilian vehicles of the kind were produced before Ford transitioned all of its facilities towards the battle work. Needless to say, many motors including V8s were created throughout the battle to power different military vehicles, but additional development basically ceased till the finish of the battle.

The time period right after the war was a growth time for automakers as pent-up interest in new cars was satisfied. Nevertheless, automakers just cranked up manufacture of 1942 styles till new cars might be created. Ford deserted the V8-85, giving all Ford and Mercury automobiles the 239 cubic inch engine, now compressing at 6.8:1 and ranked at 100 horsepower.