Ford Sport Trac
2001–05

Factory gearing, tires, angles and brakes for the Sport Trac, 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.

Use this truck in the calculators

125.9 in wheelbase · 34.6 in front · 45.4 in rear overhang

Stock tireP235/70R1629.0 in tall

Axle ratio3.73–4.1Factory, by trim

Crawl ratio34.6:1Best trim: XLS/XLT 4x4

Angles26.7 · 22.4 · 23.1°Approach, breakover, departure

Clearance6.7 inFactory figure

Highway mpg18EPA

Tire upgrades, worked out

XLS/XLT 4x4, 3.73s, 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	2,034	4.1	Open →
285/75R16	32.8 in	+1.9 in	57 mph	1,961	4.56	Open →
33x10.50R16	33.0 in	+2.0 in	57 mph	1,951	4.56	Open →
255/85R16	33.1 in	+2.1 in	57 mph	1,947	4.56	Open →
315/75R16	34.6 in	+2.8 in	54 mph	1,861	4.56	Open →
35x12.50R16	35.0 in	+3.0 in	54 mph	1,839	4.56	Open →

Stock turns 2,224 rpm at 65 in top gear. Flotation sizes are nominal; most measure a little short mounted.

Trims

2 we have figures for

Trim	Tire	Transmission	Axle	Angles	Clearance	Open
XLS/XLT 4x4	P235/70R16	5-speed manual, 5-speed automatic	3.73 / 4.1	26.7 · 22.4 · 23.1	6.7 in	Use →
XLT Premium / Premium Sport Group 4x4	P255/70R16	5-speed automatic	3.73 / 4.1	26.7 · 22.4 · 23.1	6.7 in	Use →

Size

Wheelbase: 125.9 in
Front overhang: 34.6 in
Rear overhang: 45.4 in
Height: 67 in
Body: Pickup
Stock tires: P235/70R16, P255/70R16

Transmissions and low range

5-speed manual (Mazda M5OD-R1, 4.0L ratio set / R1HD): 3.4 · 2.05 · 1.31 · 1 · 0.79
5-speed automatic (5R55E): 2.47 · 1.87 · 1.47 · 1 · 0.75
Low range, standard part-time: 2.48:1

Axles

Front: Dana 35 IFS (Ranger/Explorer type)
Rear: Ford 8.8 in
3.73 ratio: XLS/XLT 4x4, XLT Premium / Premium Sport Group 4x4
4.1 ratio: XLS/XLT 4x4, XLT Premium / Premium Sport Group 4x4
Ratios made for it: 3.55 · 3.73 · 4.1 · 4.56 · 4.88

Brakes

Front rotor: 12.00 in, 305 mm
Front caliper piston: 48.0 mm
Rear rotor: 11.81 in, 300 mm
Rear: disc (solid)

Suspension

Front: short/long arm IFS, torsion bars on 4x4
Rear: leaf springs, solid axle
Rear layout: Leaf springs

Fuel economy

EPA highway, automatic: 18 mpg
EPA highway, manual: 18 mpg
Rated years: 2001–2005, 4WD

Every calculator, set up for the Sport Trac

Tire sizeBigger tires: speedo, clearance, angles and brakes.Compare tires RegearHighway RPM on every ratio and mpg.Pick your gears Crawl ratioHow slow it creeps, against other trucks.Work out crawl SpeedometerWhat it really reads on new tires.Fix your speedo LinksAnti-squat and what a lift does to it.Check your links Your rigBuild sheet and measured angles.Start a build sheet LeaderboardsWhere the Sport Trac ranks against every stock truck.See where it ranks

Source: auto-brochures.com. If the front is the Dana 35 IFS, carrier break at 3.45-and-higher vs 3.73-and-lower.

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.

Ford Sport Trac2001–05