First mileage test result.
The first mileage test results are in. A quick review of what was done to the truck. Cometic head gaskets half the thickness of Fel-Pro and with full o-rings around each cylinder, not combining int...
Forum Discussion
Surprised your mpg's are that low. I have a 2WD 99 F350 supercab with V10. Drove it to Medford and got 13mpg's unloaded. I drive the speed limit. Was surprised I got that good because it only gets 10 around town. Maybe it's the 4x4 that hurts your mpg's. (just a thought)
