I've been running 87-89 Octane in my 6.2L and averaged 12.5-12.8mpg stock, with a cheap turndown exhaust installed I'm at 13.8-14mpg on my normal 1hour work drive I base it off of.
IMG_20181214_201415_876 by Hunter Affonso posted Apr 5, 2019 at 9:10 AM
In the beginning stages of full build over next 2 years. Should be looking fine after I get back from Afghanistan in 9mos
I'm guessing it was a noticeable difference? I'm Contemplating getting a 5 Star for my 2010. It's pretty much my full project (Build as I go) truck. Do you recommend the tuner?
Hold that TC until she turns off, drop'er in 1st and let'er ripppp. It's hilarious when all these modded foreign car owners see a full size truck spinnin brodies next to them haha
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