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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: sierragrande on March 26, 2006, 05:47:00 PM

Title: Monitoring Engine Vacuum for MPG
Post by: sierragrande on March 26, 2006, 05:47:00 PM

Does anybody have any experience using a vacuum gauge to maximize fuel economy?  

Title: Re: Monitoring Engine Vacuum for MPG
Post by: roundedline on March 27, 2006, 02:22:00 PM

On a carb'd motor, you want to adjust the mixture until you get the highest vacuum reading.  This typically yeild the best results.

Chris Lucas
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