Saturn Sky Redline Piston Head And Oil Jet
Red-Hot Roadster - 2007 Saturn Sky Red Line
Here we can see the function of the oil jet and the specially-machined oil galley in the piston at which it is aimed. "The jet-spray oil cooling system brought us well below our engineering piston temperature targets for the 260 hp output of this engine, ensuring durability," says GM's Ed Groff, who continues with even more interesting information: "At the same time, this will enable us to take the power up even higher. Knowing that this engine has got to continually grow and improve to maintain its image for GM, we made sure we had a lot of margin for improvement on the current horsepower level of 260. The oil jet cooling system, coupled with other technology, gives us the capability to increase power density further. So its power is not, in effect, done!"
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