Torque, HP, gas mileage upgrades
Looking into some upgrades and wondering if any have worked for any of you. I have a 2007 new body style silverado, crew cab, short bed, 4x4, 5.3, 3.73 gears. Have any of you had any increase in horse...
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Maybe this guy has some ideas you could use.
http://www.dragzine.com/features/car-features/matt-happels-newest-9-second-junkyard-fairmont-sleeper/?utm_source=rss&utm_medium=rss&utm_campaign=matt-happels-newest-9-second-junkyard-fairmont-sleeper
http://www.dragzine.com/features/car-features/matt-happels-newest-9-second-junkyard-fairmont-sleeper/?utm_source=rss&utm_medium=rss&utm_campaign=matt-happels-newest-9-second-junkyard-fairmont-sleeper
