Ford F-150
1997–2003 4x4
Factory gearing, tires, angles and brakes for the F-150, and what the usual upgrades do to it. Every number is from the maker's own figures unless the calculators say otherwise. A few figures here are still waiting on a factory document; the calculators mark them.
Tire upgrades, worked out
XL/XLT 4x4 (std tire), 3.08s, from P235/70R16| Tire | Height | Under the diffs | Speedo at 65 | RPM at 65 | Gears for daily | Open |
|---|---|---|---|---|---|---|
| 265/75R16 | 31.6 in | +1.3 in | 59 mph | 1,701 | 3.42 | Open → |
| 285/75R16 | 32.8 in | +1.9 in | 57 mph | 1,640 | 3.55 | Open → |
| 33x10.50R16 | 33.0 in | +2.0 in | 57 mph | 1,631 | 3.55 | Open → |
| 255/85R16 | 33.1 in | +2.1 in | 57 mph | 1,628 | 3.55 | Open → |
| 315/75R16 | 34.6 in | +2.8 in | 54 mph | 1,556 | 3.73 | Open → |
| 35x12.50R16 | 35.0 in | +3.0 in | 54 mph | 1,538 | 3.73 | Open → |
Stock turns 1,859 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.
Trims
5 we have figures for| Trim | Tire | Transmission | Axle | Angles | Clearance | Open |
|---|---|---|---|---|---|---|
| XL/XLT 4x4 (std tire) | P235/70R16 | 5-speed manual overdrive, 4-speed automatic overdrive | 3.08 / 3.31 / 3.55 / 3.73 | 25.8 · 18.7 · 19.8 | 8.1 in | Use → |
| XLT 4x4 (P255 tire) | P255/70R16 | 5-speed manual overdrive, 4-speed automatic overdrive | 3.31 / 3.55 / 3.73 | 25.8 · 18.7 · 19.8 | 8.1 in | Use → |
| Lariat / FX4 4x4 (17 in) | P265/70R17 | 4-speed automatic overdrive | 3.55 / 3.73 | 25.8 · 18.7 · 19.8 | 8.1 in | Use → |
| 7700 Payload Group 4x4 | LT245/75R16 | 4-speed automatic overdrive | 3.73 / 4.1 | 25.8 · 18.7 · 19.8 | 7.3 in | Use → |
| SuperCrew 4x4 | P255/70R16 | 4-speed automatic overdrive | 3.55 / 3.73 | 28.4 · 18.7 · 21.7 | 8.0 in | Use → |
Size
- Wheelbase
- 138.8 in
- Front overhang
- 38.7 in
- Rear overhang
- 48.3 in to 48.7 in
- Height
- 76 in
- Body
- Pickup
- Stock tires
- LT245/75R16, P235/70R16, P255/70R16, P265/70R17
Transmissions and low range
- 5-speed manual overdrive (Mazda M5OD-R2)
- 3.9 · 2.25 · 1.49 · 1 · 0.8
- 4-speed automatic overdrive (4R70W)
- 2.84 · 1.55 · 1 · 0.7
- 4-speed automatic overdrive (4R100)
- 2.71 · 1.54 · 1 · 0.71
- Low range, bw4406
- 2.64:1
Axles
- Front
- Ford 8.8-in IFS (torsion bar)
- Rear
- Ford 8.8-in (9.75-in with 7700 payload; unverified)
- 3.08 ratio
- XL/XLT 4x4 (std tire)
- 3.31 ratio
- XL/XLT 4x4 (std tire), XLT 4x4 (P255 tire)
- 3.55 ratio
- XL/XLT 4x4 (std tire), XLT 4x4 (P255 tire), Lariat / FX4 4x4 (17 in), SuperCrew 4x4
- 3.73 ratio
- XL/XLT 4x4 (std tire), XLT 4x4 (P255 tire), Lariat / FX4 4x4 (17 in), 7700 Payload Group 4x4, SuperCrew 4x4
- 4.1 ratio
- 7700 Payload Group 4x4
Brakes
- Front rotor
- 12.13 in, 308 mm
- Front caliper piston
- 51.0 mm
- Rear drum
- 11.03 in, 280 mm
- Rear
- drum
Suspension
- Front
- 4x4: double wishbone IFS, torsion bars
- Rear
- leaf springs, solid axle
- Rear layout
- Leaf springs
Fuel economy
- EPA highway, automatic
- 17 mpg
- EPA highway, manual
- 17 mpg
- Rated years
- 1997–2003, 4WD
Aftermarket bumpers
7 listedMakers almost never publish angles, bottom heights or how far a bumper tucks, so these fill in as owners measure them. Measured yours? Add it on the rig page and every owner of this F-150 sees how it does on their tires and lift.
Front 6
- Ali Arc Classic Ford F150 2001-2003 Front Bumper FDB271$2,669
- Coastal Offroad 10th Gen F-150 High Clearance Front Bumper Kit$662
- Frontier Truck Gear Frontier 300-59-9005 Ford F150 1999-2003 Original Front Bumper196 lb · $1,761
- Iron Bull Bumpers Iron Bull Offroad Front Bumper 1997-2003 Ford F150 #20$2,599
- TrailReady 12200B Ford F150 1997-2003 Extreme Duty Front Bumper Winch Ready Base$3,654 · winch ready
- TrailReady 12200P Ford F150 1997-1998 Extreme Duty Front Bumper Winch Ready with Pre-Runner Guard$3,965 · winch ready
Every calculator, set up for the F-150
Source: auto-brochures.com.
Use at your own risk. These calculators are here to help you plan and to inform your decisions, not to sign off on a build. Many numbers are estimates worked out from factory figures, and some factory figures are not yet confirmed. Check every number against your own truck, its manuals and a qualified shop before you buy parts, cut, weld, lift, regear or drive on it. Long Range Desert Tools is not liable for anything you do based on these calculators or their results. The full terms are in our policies.