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Old 01-22-2017, 09:56 AM   #169
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Re: INNOVATE DLG1 Wideband O2 Oxygen Sensor Tuning Diagnostics Logging Air Fuel Ratio

Originally Posted by SkinnyG View Post
I've never heard it called an economy valve, but your understanding of how it works is reasonable.
I think technically they called it the "economizer" valve, I tried Googling it and yup Power Valves show up.

Dave Emanuel mentions it in his Super Tuning and Modifying HOLLEY Carburetors book, great read, he is a funny guy and explains things wonderfully, highly recommend one of his books
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