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1992 Ford Ranger STX 4x4

'92 Ford Ranger STX 4x4

Click on a thumbnail below to view a larger image with comments and desriptions.

Front view Rear side view Side view Front side view
interior Front Suspension Front Suspension Rear Suspension
wheel and tire limited slip differential party off road

  • Engine: 4.0L (245 in.³) V6, 160 hp @ 4400 RPM &225 lbf·ft @ 2400 RPM, 3.95" bore, 3.32" stroke, 9.0:1 compression ratio
  • Transmission: Mazda M5OD 5 speed manual, 1"D-23 spline input shaft, with the following gear ratios
1st 3.72:1
2nd 2.20:1
3rd 1.50:1
4th 1.00:1
5th 0.79:1
Reverse 3.40:1
  • Clutch: 10"D,hydraulic actuation
  • Transfer Case: Borg-Warner 13-54 electric shift, 2.48:1 low range
  • Speedometer Gears: 7 tooth drive, 18 tooth driven
  • Rear Axle: 3.73:1 ratio, 8.8" gear with Limited Slip differential, 28 spline axles
  • Front Axle: Dana 35, 3.73:1 ratio, open differential, Warn manual locking hubs
  • Front Brakes: Disk, 10.86"D, single piston floating caliper
  • Rear Brakes: Drum, 10"D
  • Wheels: Deep dish aluminum wheels, 15"x7"
  • Tires: B.F. Goodrich All Terrain T/A KO, 31x10.50R15LT
  • Wheelbase: 125"
  • Lift Kit: Superlift 4" with rear springs, Superunner radius arms & steering linkage
  • Rear Driveshaft: Single shaft, 58.875" U-joint centerline to U-joint centerline
  • Front Driveshaft: 30.5" U-joint centerline to U-joint centerline, single Cardan joints on ends
  • Exhaust: Borla (cat. conv. back)
  • Color: Brilliant Blue Clearcoat Metallic exterior with Crystal Blue interior


     The truck was ordered on Oct. 29, 1991 and picked up on Dec. 9, 1991. It was purchased so that I could store the Buick during the winter months. In addition, I needed its hauling capability for my projects with my house. The specifications are presented in the table above. It's a supercab 4x4 with the STX package (#854A). The vehicle has most of the available options including

  • power windows
  • power locks
  • air conditioning
  • cruise control
  • tilt wheel
  • sport bucket seats with console
  • sliding rear window
  • stereo with AM/FM and cassette player
  • 4.0L V6 with the heavy duty cooling system.
     I'm never satisfied with a completely stock vehicle. First, the original P215/75R15 Firestone ATX tires were replaced with P235/75R15 Uniroyal Lorados (poor choice for me). The original 20 tooth speedometer gear (Ford #C1DZ-17271-A, black) was replaced with a 19 tooth gear (Ford #CODZ-17271-B, pink) to correct the speedometer.
     Next, with the Uniroyals and the original shocks worn out I decided to put a lift kit on it with bigger tires. As a result, it has a complete Superlift lift kit. This includes the following
  • Front coil springs and brackets for 4" lift (also, brackets to extend bumpstops)
  • Superunner bracket kit (longer radius arms with new mounting brackets)
  • Rear springs (3½" lift) with polyurethane bushings (needed longer U-bolts)
  • Superunner steering kit
  • shocks and boots
  • longer steel braided brake hoses
These items were added later
  • Polyurethane radius arm bushings
  • Superlift traction bars
The Superlift sway bar brackets were removed. Instead, the original stabilizer bar links were cut and extended by welding steel pipe between the the cut segments. This alleviated tire rub on the stabilizer bar during turns. The tires are 31"x10.5" B.F. Goodrich All Terrain T/A KO (2nd set of BFG AT tires) radials mounted on the original 15"x7" deep dish aluminum wheels. An 18 tooth (Ford #CODD-17271-B) speedometer driven gear was  installed to correct the speedometer with use of the 31" tires.  The 2-piece rear driveshaft was replaced by a single driveshaft with single Cardan joints on the ends from Six States Distributors, Inc. to eliminate driveline vibrations. Also, the front driveshaft with a double Cardan joint at the transfer case was replaced with a shaft with single Cardan joints.
     The pitman arm is held on by a nut that requires a 33 mm socket. A 1-5/16" socket would work but would be a little loose. The only 33 mm socket I found is a 3/4" drive 6 pt. impact socket made by Wright Tool (no. 68-33MM).
     Westin step bars were added to ease entry. I sanded and painted the bumpers to match the body, since they were rusting significantly (Ohio winters with the road salt take their toll). A few years later, the bumpers were stripped and painted a second time and the grill was painted too by my neighbor, Danny.
     The oil pressure gage was converted to a true analog idiot (Low-High, no magnitude) gage. The oil pressure switch was replaced by a pressure transducer (NAPA #OP6091 or Ford #E4ZZ9278A). The pipe adapter, for the pressure switch, was turned facing up to make room for the larger transducer. The 20 ohm resister behind the oil pressure gage was shorted by soldering a wire across it.
     The fog lights may be removed from the low beam circuit and tapped off the parking light circuit. This can be accomplished by disconnecting the relay's low current tap (red wire) from the headlight wire (red with black stripe), under the steering column. Next, the red wire should be relocated near the headlight switch and reconnected to the heavy gage brown wire coming from the switch. My original fog lights (heavy corrosion and broken glass) were replaced by KC HiLites Sport Series Lights. These fit in the same location. The KC lights were eventually replaced by Blazer Xtreme lights (corrosion again). As an added note, the KC HiLites came with a life time warranty. I figured I'll check out their warranty. The lights were sent back with a copy of the receipt. KC HiLites sent a new pair of lights within a week. First class operation.
     This truck was sold on October 20, 2003 with 162,000 miles on it. For fuel economy it gets about 16 mpg in the city and 23 mpg on the highway. A Ford Motorsport chromed steel differential cover (M4033-A301) was added to replace the original plastic cover at the recommended 100,000 mile oil change interval. The truck seems to run pretty good, gets reasonable fuel economy, and it's fun to drive.

Service History

Animated Ranger

Links to Related Sites

The Ranger Station - Technical information, chats, & other material on the Ford Ranger.

WJ's 4x4 & Offroad Homepage - Technical information and other stuff on 4x4s. - An interesting site for 4x4s with pictures and information.

Clemson 4 Wheel Center and National Tire and Wheel - These vendors provided good service, reasonable prices, real shipping rates, and fast delivery.

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