![]() ![]() So when the compressor housing makes boost beyond what is needed, the actuator opens the wastegate. ![]() There is a wastegate actuator mounted on the compressor side of the turbo, connected to the wastegate by a rod. Garrett installed a wastegate, mounted in the turbine side of the turbo. The new turbo was capable of maximum boost of 28 psi, which needed to be controlled. The compressor wheel was larger and the change to a bigger turbo brought more boost and higher exhaust gas temperatures. The intercooler was put into production on the Ford trucks because there was a change in the turbo. ![]() In 1999, Ford introduced an intercooler for the same 7.3 DIT engine. The reason for no intercooler was the size of the turbo. If you look on the turbo outlet of the compressor side of the turbo you can see that a “Y” pipe is connected to direct air from the turbo into the intake manifold. At first, the engine was turbocharged without an intercooler. The engine came standard with a turbo made by Garrett. Boasting many innovative and groundbreaking technologies, Power Stroke engines have a solid reputation for durability and power. Ford's Power Stroke Diesel engines have powered thousands of trucks since their debut in 1994. ![]()
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