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Ford Super Duty engine : ウィキペディア英語版
Ford Super Duty engine

The Ford Super Duty engine was a truck engine from Ford Motor Company.
The Super Duty was introduced in 1958, the same year as the FE and MEL series V8 engines, as a replacement for the Lincoln Y-block in truck applications. The Super Duty was available in displacements of 401, 477 and 534 cubic inches (6.6L, 7.8L and 8.8L). These engines were large, heavy, high torque engines and operated at a relatively low RPM. They were never designed as automobile engines and were commonly found in large, industrial use vehicles including dump trucks, garbage trucks, concrete mixing trucks, large buses and other medium and heavy duty trucks of the time. The Super Duty engine was built in Ford's Cleveland engine plant number 2. They had a unique intake system where the intake dumped into the head and all four cylinders pulled the mixture out of a log type port in the head. They could spit when cold and blow the choke plate out into the air cleaner because of the large port configuration. In later engines this was corrected; they had a spider type intake more modern style. The exhaust valves were sodium filled that when hot it liquefied and carried heat away from the valve head and took it to the valve spring that dispensed heat into the oil coming off the rocker arm which is the reason for a water to oil cooler. The piston assembly weighed three times more than other gas engine manufactures. The block was unique in that it was a 90 degree v 8 but the top deck was 60 degrees. The head was flat on the combustion chamber side so by doing this they achieved a wedge combustion chamber. With this design it left a big hole so they put a large pop top piston to try to displace some volume. They used a deep skirted block for strength. They governed these at about 3400 rpm due to their great rotating mass. When ford built the 385 series engine and started to change over a 460 or 429 weighed about half of the 477. The 401,477,534 engines also had 4 radiator hoses, when you ordered they would ask if you needed the( lower lower,upper lower,lower upper or the upper upper which was amusing to do to new parts guys. Under full load they would run 2 miles on a gallon of gas, that was their down fall. With correct maintenance they would give 500,000 miles between rebuilds
The correct power output for the 534 was 253 horsepower.
The 6.6L produced at 5000 rpm and of torque at 2500-3500 rpm. The 6.8L produced at 4750 rpm and of torque at 2500-3000 rpm. The 7.2L produced at 3000 rpm and of torque at 1800-2300 rpm. A marine version, commonly referred to as the "Seamaster" was also available starting in the late 1950s. The Seamaster was available with twin turbochargers, and weighed over installed.
==See also==

* List of Ford engines

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Ford Super Duty engine」の詳細全文を読む



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