Join Date: Nov 2012
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7.3 Mileage Issues
I just put a wonderful 7.3 on the road. It's a '99 F-250, reg cab, long bed. I have a 1500 pound welder generator mounted inside the box. I added two extra springs on each side in the back. She sits nice.
I'm having major fuel mileage issues. For 130-140 litres of diesel, I'm barely getting 400 kilometers per full tank of fuel.
Mind you, I deleted the muffler (four inch pipe all the way down), and installed an Air Raid cold air intake. The previous owner told me that I should be getting 800 kilometers plus in the winter, and a thousand kilometers plus in the summer months.
Something ain't right. I don't know what to do.
FYI, I just changed all glow plugs, glow plug relay, valve cover gaskets, and block heater.
If you dudes have any advice, I'm all ears.
What type of mileage should I be getting?