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31banger · 03-09-2021, 07:26 PM

Does anyone have an information about the Ruckstell aluminum power head made by Alcoa. The only thing I have found is an old ad which claimed 25 percent more power and 10 to 15 percent top speed. Wondering what the compression ratio might be. Looks a lot like a stock head.

03-09-2021, 07:26 PM	#1
31banger Junior Member Join Date: Sep 2015 Posts: 3	Ruckstell power head Does anyone have an information about the Ruckstell aluminum power head made by Alcoa. The only thing I have found is an old ad which claimed 25 percent more power and 10 to 15 percent top speed. Wondering what the compression ratio might be. Looks a lot like a stock head.