1989 Jeep Comanche

You can now own one of the most custom Jeep Comanches out there. This was the test bed for virtually every product Stinkyfab Racing has developed for the XJ/MJ vehicle platform, and as a result has virtually every product they make installed. If you know anything about SFR products, that basically means this Jeep has the best of everything. On top of that, nearly every single drivetrain component has been replaced. From axles to engine, EVERYTHING rebuilt has less than 15,000 miles on it. I bought it in February of 2022 from Stinkyfab Racing in Escondido, CA with just under 90,000 miles on it, and it currently has 98,100 miles. It runs strong and rides great on road and off. The suspension flexes well in the rocks, is super stable and hooks up on side hills and climbs. Plenty of power, and catches eyes everywhere you go. The best of everything has gone into building it, and making it better since I have owned it. You will be hard-pressed to find a better built, more nicely modified Comanche on the market today. I had planned on keeping the Comanche (had it shipped from Nevada in May), but life's priorities have changed. We are looking into buying a house, and it is time to let this cool truck go. I am not looking to get back all that I have invested in this project, but no lowball offers please. Selling for $21,000 or best offer.


Purchased in 2022 with the following:

The Lab Rat is a 1989 Jeep Comanche, Short Bed, 6cyl, auto, originally a 2wd, but converted to 4x4.
4.7L Bishop-Buehl Racing Engines (Russ Pottenger) Stroker motor.
New Scat stroker crank.
Hypereutectic Pistons, Bishop-Buehl designed and machined.
Bishop-Buehl 4130 H beam rods with ARP studs and floating wrist pins.
Comp Cams / Bishop-Buehl custom ground camshaft pn. 68-235-4.
Harland Sharp 1.65:1 ratio roller rockers.
Ported high flow head with LS valves and springs.
Borla Header with 2.5" downpipe (C.A.R.B legal and long discontinued, impossible to find) ceramic coated.
Roughly 285hp.
R.E.M.2 diagnostic display for keeping an eye on everything.
OEM full gauge cluster swapped from an XJ.
Toggle Switch on dash to start truck when key is in ACC position.
AW4 Automatic trans with shift kit, column shift.
NP231 Transfer Case with Advance Adapters SYE and SFR shift linkage.
Custom built, heavy wall TIG welded rear driveshaft
Dana 30 Front axle
4.88 Motive Ring & Pinion set
Powertrax No-Slip Locker in new carrier
Ten Factory Cromoly axle shafts
SFR Heavy Duty brackets including track bar, upper and lower control arm mounts.
Johnny Joint upper control arm inserts.
Dana 44 Rear Axle
4.88 Motive Ring & Pinion
Powertrax Grip-Pro all gear differential
Ten Factory Cromoly axle shafts
Disc brake conversion
33x12.5x15 Falken AT3w tires mounted on Ultra Alloy wheels. One full size Pro-Comp spare is included.
4" lifted suspension with custom SFR shackles in the rear, Bilstein 5165 remote reservoir shocks, prothane bumpstops, etc. This thing rides like a Cadillac both on road and off. It's seriously smooth as butter, and more at home in the whoops than any street legal XJ or MJ should be.
SFR Long Arm 4-Link front suspension with transmission and t-case skids and crossmember. 7075 Aluminum links and Johnny Joints throughout.
RockJock4x4 Anti-Rock front sway bar setup, flexes great in the rocks, and can be driven down the street or freeway with your fingertips.
SFR Premium 7075 Aluminum 1-ton steering kit
Custom built, one-off SFR tube bumpers
Front bumper hides a Warn 9.0RC competition winch behind the license plate.
Rear bumper is extra high clearance with receiver hitch for recovery.
Custom SFR built tube rock rails.
PRP Racing low back bucket seats
Custom LED tail light boxes welded into bed corners
Herculiner roll-in bedliner with aluminum bed storage box
Entire cooling system has been replaced and upgraded including a high flow water pump, fan clutch, Cold Case Aluminum Radiator, etc.
SFR Front Frame stiffeners (discontinued product).
SFR Steering box frame reinforcement.
Full SFR drivetrain mount package including motor mounts, engine mounting brackets and trans mount.
Custom 2.5" exhaust with high flow (CA legal) cat. Has a nice rumble, without being loud and obnoxious.
'97+ front grille and fender swap to update the looks
Full Vinyl wrap. Green graphics are applied on top of digital camo wrap and can be easily removed, or entire wrap can be removed if desired. (white underneath)

2022 Upgrades
Steering gear assembly
R&R air conditioning and heater core
New A/C compressor
Jeep Air A/C conversion kit
Crankshaft position sensor
R&R engine bay wiring harness
Distributor cap, rotor, coil, and spark plugs
Starter switch
Bilstein 5125 shock for steering stabilizer
Parking brake installed
Carpeted dash pad installed to protect from further sun damage
Locking gas cap

2023 Upgrades:
Grant steering wheel with Jeep horn button
New horns
Turn signal switch
New rear view and side mirrors
New MickOfAllTrades 3D printed hood prop clip and visor clips
Fuel filter
Fuel pressure regulator (GP Sorensen 800-133)
Fuel injectors
Fuel injector bracket kit & hardware
Fuel line repair
O2 sensor (NTK 23553)
Accelerator cable
Catalytic converter and Y-pipe to converter
Jeep Cables Big 7 wiring kit
Upgraded 4WD linkage
Hose clamp installed on tailgate to deter theft

2024 Upgrades:
Power steering pump and pulley
A/C compressor drive belt
New battery and Dirtbound Offroad battery tray
Spark plugs & wires
Distributor cap & rotor
Starter relay
Radiator hoses and clamps
Idler pulley
Replaced front axle seals
Bosch 0280156162 fuel injectors (for improved emissions, and the best ones for the 4.7 stroker motor)
EV1 to EV6 fuel injector adapter
R&R Steering with a new Y-Link 1-ton steering kit
Replaced steering shaft
Replaced steering gearbox (under warranty)
Front track bar crossover bar kit & axle side bracket
Precision for wheel alignment
Speedometer cable
Comfort/Power switch bypassed (per https://cruiser54.com/ )
Upgraded Interior with Kilmat sound deadening material
SMS headliner
Carpet panel installed behind seats
New carpet
New MickOfAllTrades 3D printed dash panels (old panels included)
Otrattw Switches for bed light, light bar, light pods, and air compressor (Desert Armor Beast compressor included, but not installed)
Glow Shift clock
Starelo 19mm switch for push button start (replaced old toggle switch)
Replaced B-pillar lights
Gatekeeper Off Road knuckle pod mounts
Morimoto 1Banger light pods (yellow combo pattern)

Extras Included:
Spectre Performance 99465 throttle body adapter (Discontinued, and hard to find. Never installed)
Spare front axle shaft
SFR 1-ton steering kit parts
Boxy Jeep 6.5 rear speaker brackets
Extra 19mm switches
Hi Lift Jack, shackles, and tow strap
Truck cover (never used)

You can watch the walkaround of the Comanche that SFR posted on YouTube from 2022 here: https://www.youtube.com/watch?v=Y5skhiEVSzs .
This truck is even featured on RockJock4x4s website at: https://www.rockjock4x4.com/products/shop-by-vehicle/jeep-mj .

Current Needs:
Vinyl wrap needs to be redone. Have extra wrap left over from when purchased.
Vinyl wrap on the roof has started to peel, and some rust is showing through (no leaks).
Crack on dashboard (covered by a carpeted dash pad).
Occasionally will pop out of four-wheel drive when off-roading.