J jamie h New member Dec 8, 2011 #1 I just purchased a Chevrolet Silverado K1500 with a Vortec 5.7L and was wondering what I can do to boost the mpg. Cheap or expensive I just wanted to see if anyone has good ideas. Notice how I put "modifications" in the question.
I just purchased a Chevrolet Silverado K1500 with a Vortec 5.7L and was wondering what I can do to boost the mpg. Cheap or expensive I just wanted to see if anyone has good ideas. Notice how I put "modifications" in the question.