RockJock 4×4 by John Currie

Corona, CA View More Vehicles

2013 Jeep JK – John Currie’s “88 Car” EMC Race Car

Vehicle Quick Facts

Profile ID: 66129
Year: 2013
Make: Jeep
Model: JK
Markets: Off Road, Racing
Vehicle Type: American
Contact: RockJock 4×4 by John Currie

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Vehicle Story

After having won King of the Hammers EMC stock class 2 years in a row and EMC modified the following year in a custom Jeep LJ Unlimited, John Currie built a ground up custom race car for the 2013 EMC modified class. This custom build produced what is now referred to in the desert racing world as simply, "The 88 Car" (derived from it's competition number). The winningest car in King of the Hammers history.
Built by John Currie, Gerald Lee & Johnny Rocha in 2013, this car carried John Currie his son Brandon and other to numerous King of the Hammers victories!

John Currie reacquired the 88 car in the latter part of 2024 and completely restored it back to original trim (granted it's had a lot of drivetrain upgrades over the years).

Vehicle's Specifications:
Owner: RockJock 4x4 by John Currie, Corona, Ca.
Builders: John Currie, Gerald Lee, Johnny Rocha
Chassis: Designed by John Currie. Fabricated by John Currie & Johnny Rocha. Perimeter frame 2" x 3" 4130 chromoly, all tube work 2" 4130 chromoly.
Drivetrain: LS3/4L80E/Atlas 3.0/Currie 70 front & rear diffs
Wheel/Tire: 17" x 9.5" KMC Machete forged Trophy Truck / 40" x 13.50" x 17" Nitto Trail Grappler M/T
Height: 76"
Weight: 4800 lbs.
Wheelbase: 109"
Track Width: 82 1/2"
Belly Pan Clearance: 18"

Vehicle's King of the Hammers Successes:
2014:  John Currie                   4500 class - WIN!                        EMC overall - WIN!
2014:  Casey Currie                 4400 class - 14th place
2015:  Brandon Currie             4500 class - WIN!                        EMC overall - WIN!
2016:  Jessi Combs                4500 class - WIN!                        EMC overall - 3rd. place
2017:  Jessi Combs                4400 class - 12th place
2018:  Dan Fresh                     4500 class - WIN!                        EMC overall - WIN!
2019:  Dan Fresh                     4500 class - 2nd place               EMC overall - 7th place
2020:  Dan Fresh                     4500 class - WIN!                        EMC overall - 5th place!
2021:  Dan Fresh                     4500 class - WIN!                        EMC overall - 5th place!
2022:  Casey Currie                4400 class - 21st place

Tech Sheet

Chassis

Drivetrain

  • Adapters:
    • Advance Adapters
  • Axle Housing:
    • Currie Enterprises - Currie 70 high pinion front and rear.
  • Axle/CV shaft:
    • Currie Enterprises - Chromoly 35 spline front and 45 spline full float rear from Currie Enterprises.
  • Bearings:
    • The Timken Company
  • Differential:
    • EATON - 35 spline Detroit locker (front), 45 spline E-Locker (rear).
  • Differential Cover:
    • Currie Enterprises - Fabricated steel from Currie Enterprises.
  • Differential Vent:
    • Currie Enterprises
  • Driveshaft:
    • JE Reel Driveline
  • Locker:
    • EATON - 35 spline Detroit locker (front), 45 spline E-Locker (rear).
  • Lubricants:
    • Torco
  • Ring/Pinion:
    • Spicer Drivetrain Products - 5.38 ratio.
  • Shifter:
    • Winters Performance Products
  • Tires:
    • Nitto Tire U.S.A. Inc. - 40" x 13.50" x 17" Nitto Trail Grappler M/T.
  • Torque Converter:
    • Dynamic Manufacturing
  • Transfer Case:
    • Advance Adapters - Atlas 3.0.
  • Transmission Cooler:
    • CBR Performance Products
  • U Joints:
    • Spicer Drivetrain Products - 1350.
  • Wheels:
    • KMC Wheels - KMC Machete Forged Trophy Truck 17" x 9 1/2" x 5" B.S. w/ 6 x 6 1/2" wheel bolt pattern.
  • Yoke:
    • Strange Engineering

Engine

  • Accessories:
    • General Motors
  • Air Cleaner:
    • OTR Filters
  • Alternator:
    • General Motors
  • Battery:
    • Odyssey Battery - Twin Odyssey batteries.
  • Block:
    • General Motors - GM LS-3.
  • Brackets:
    • General Motors
  • Camshaft:
    • General Motors
  • Cold Air Intake:
  • Connecting Rods:
    • General Motors
  • Cooling - Auxiliary:
    • CBR Performance Products
  • Cooling - Radiator:
    • CBR Performance Products
  • Crankshaft:
    • General Motors
  • Crate Engine:
    • Chevrolet Performance - GM LS-3 w/ 495 h.p. & 473 ft. lbs. of torque.
  • Cylinder Heads:
    • General Motors
  • Dipstick:
    • General Motors
  • ECU:
    • General Motors
  • Exhaust Mufflers:
    • MagnaFlow
  • Fan Shroud:
    • CBR Performance Products
  • Fuel Filter:
  • Fuel Injection:
    • General Motors
  • Fuel Management:
  • Fuel Pump:
  • Fuel Rails:
  • Fuel Regulator:
  • Ignition:
    • General Motors
  • Ignition Coils:
    • General Motors
  • Injectors:
    • General Motors
  • Intake Manifold:
    • General Motors
  • Lifters:
    • General Motors
  • Lubricants:
    • Torco
  • Motor Mounts:
  • Oil Cooler:
    • CBR Performance Products
  • Oil Pan:
    • General Motors
  • Oil Pump:
    • General Motors
  • Overflow Tank:
    • CBR Performance Products
  • Pistons:
    • General Motors
  • Pulleys:
    • General Motors
  • Pushrods:
    • General Motors
  • Rings:
    • General Motors
  • Rocker Arms:
    • General Motors
  • Serpentine System:
    • General Motors
  • Starter:
    • General Motors
  • Surge Tank:
    • CBR Performance Products
  • Throttle Body:
    • General Motors
  • Timing Components:
    • General Motors
  • Tuning:
  • Valve Covers:
    • General Motors
  • Valve Springs:
    • General Motors
  • Valves:
    • General Motors
  • Water Pump:
    • General Motors

Exterior

Interior

Equipment & Supplies

  • Recovery Equipment:
    • Factor 55
    • Warn Industries, Inc.