Grunizzle’s 1991 Ford Ranger 4×4

Filed in 1989-1992 Ford Ranger 4x4, Solid Axle Swap (SAS) by on June 15, 2017 • views: 1532

We love the factory color and STX stripes of Grunizzle’s 1991 Ford Ranger 4×4. The combination of the factory colors and the blue James Duff suspension and black wheels makes for a nice looking 4×4.

Don’t let the ‘nice looking 4×4’ comment mislead you though. This is a very capable off-road rig.

Here are the specifications:

1991 Ford Ranger STX 4×4 Extended Cab

Engine & Transmission:

  • 351W V8 (with GT40 intake) from a 1989 Ford Bronco 
  • Engine bored .30 over / Keith Black 11:1 pistons
  • 1.7 roller rockers
  • Comp Cams Extreme 4×4 cam
  • Small block ford header builders kit. I got 3 inch collectors, a ton of bent up 1 5/8″ tubes, header bolts and gaskets
  • Ford C4 automatic (has the atlas adapter and 27 spline output) with Dana 300 transfer case and Behemoth Drivetrain Doubler
  • TCI heavy duty towing torque converter
  • B&M shifter
  • Twin sticks on the transfer case


  • Skyjacker 6-inch leaf springs and Belltech shackles
  • 12-Inch Bilsteins at all corners
  • Custom upper rear shock mounts
  • James Duff 78-79 Bronco radius arms
  • James Duff 5.5 early Bronco coils
  • James Duff panhard braket
  • James Duff SAS coil buckets and HD lower coil retainers redrilled 3/4”
  • Knuckles and pitman arm reamed for Ruff Stuff steering kit
  • Axles:

  • Ford Explorer 31-Spline 8.8-Inch rear axle with 4.56 gears and Detroit Locker (wheel adapters to match front wheel bolt pattern)
  • Fullwidth Dana 44 front axle with G2 chromoly shafts, 4.56 gears and Grizzly locker
  • Ruff Stuff diff cover
  • Tires & Wheels:

  • 37×12.50 R17 Goodyear MTR Kevlars
  • Procomp 17×8 wheels with 4.5-inch back space
  • Other Features:

  • 2-Inch body lift
  • Toyota Extended Cab 80-inch sliders from 4×4 Innovations modified to fit
  • Custom bed / cage
  • Custom bumpers
  • Smittybilt XRC8 winch
  • Jaz 22 gallon fuel cell
  • Summit fuel filler kit
  • Holley in-line fuel pump
  • Jegs pre pump filter
  • Sony Xplod ipod deck
  • Custom gauges
  • More Photos:

    (Behemoth Drivetrain Doubler)

    (custom gauges)

    (custom console with B&M shifter)

    (Monstaliner on floor)

    351w Ford Ranger YouTube play


    Grunizzle’s stRanger (Click for more photos and details)


    Behemoth Drivetrain Doubler


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