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-   -   Spark Plugs and Wires to Improve MPG? (https://www.truckforums.com/forum/chevy-silverado-gmc-sierra-forum-11/spark-plugs-wires-improve-mpg-7651/)

razor2006 Jul 7, 2008 10:58 PM

Spark Plugs and Wires to Improve MPG?
 
If I were to install the Granatelli MPG/Plus Gas Saving Ignition Wire Set and the Bosch Iridium Fusion Spark Plugs,what kind of MPG savings would I see?

rxsteven Jul 8, 2008 10:35 AM

RE: Spark Plugs and Wires to Improve MPG?
 
I dont think you will see much if any. The GM stock wires for our truck are very good and so short not much can go wrong with them. Change them every 100.000. you wont need anything better untill your pushing big HP numbers.


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