Originally Posted by grandpa01
Would you please post some of your results
I'm working on testing but it cost money to run tanks of gas through ones truck. As of today I'm still working on my stock fuel numbers for city and freeway. I have not bolt up the modded TBI yet. You could go look on the gadgetman site to see what other are doing. I'm posting this test there too. My first tank of gas for my stock numbers was 12mpg on the 350 auto 1ton with a 4:10 gear city/freeway.