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

Quote:
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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