BravoZulu81
New member
I have an 08 6.4 with about 190 on the clock, fully ******d GH tunes. When I first ******d just the *** my fuel milage rocketed up and it was awesome. I was getting 15-16 consistently. Once I ******d EGR and replaced my up pipes and down pipe unnoticed a weird drop.. wasn’t huge and I put a camper top and new tires on around the same time so I assumed that was the cause. However recently it seems to be dropping and getting worse and worse. Back to the 13 range. I’ll give that it is time for oil and fuel filters but can’t think that’s the issue. I seem to be building boost fine but power does seem a little off as well...
Any insights
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Any insights
Sent from my iPhone using Tapatalk