1989Bii
New Member
- Joined
- Feb 5, 2011
- Messages
- 80
- Reaction score
- 0
- Points
- 0
- Location
- Lexington, NC
- Vehicle Year
- 1989
- Make / Model
- Ford
- Engine Size
- 4.0
- Transmission
- Automatic
what kind kind of mpg's are you guys getting with 33" tires and a 4.0?
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Remember that if your speedo is off, so is your odometer so you really can't accurately gauge what your mileage is until you fix the speedo. You can use a GPS to get your true speed by running at 50, see how far off the speedo is and multiply by 2 to get the percentage that you are off, then use the same equation to figure up the miles.Not sure whats up, I know the speedo is off just a little, it was on with 235s (28's). Engine has less than 3000 miles on it.
Frankly I'd IGNORE the "neutral sense" switch.im getting 12.30 with 31's and 3.73 gears (4.0 and a 2.9 5 speed). Not sure whats up, I know the speedo is off just a little, it was on with 235s (28's). Engine has less than 3000 miles on it. Only code its throwing is related to a neutral sensor which is getting fixed. new fuel filter, new air filter, IAC is working, maf has been cleaned...