Originally Posted by just_curious

Yeah I probably could do that TXsilverado but wasn’t really looking for a new vehicle. Spending like $500 a month in gas at the peak this past year. Would take quite a while to get my ROI on that. Not worth it especially if in a year or so prices go back to normal.


I was just curious how much my mpg could tank depending on the engine swap and what upgrades. I have seen some claiming 9mpg average not towing with a mild 6.2. Doesn’t sound right though so I created this thread to see what others are getting based on mods