This section deals with the nitty gritty details of Jeep tech related topics like Jeep models, engines and drivetrains. You could find details of a particular model year Jeep or specifications of a Jeep’s transfer case. Even information on Jeep engine swaps and axles. You won’t find reviews or projects here, for that check out the Projects and Installs page.
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Jeep Vehicles Tech
Here you find all kinds of technical information and how-to articles about Jeep vehicles. Special models, new models and some old ones so much to read here.
The Wrangler 4xe Explained Simply-ish
The Wrangler 4xe was introduced in 2021 and is really an interesting Jeep to say the least. A combined (engine plus electric) 375HP and 470 Torque make this Jeep the 2nd most powerful Jeep ever …
2013 Holiday Gift Guide for Jeep Fans
Well the 2013 holiday season is upon us and there is only a short span between Thanksgiving and New Years. We have complied a list of under $100 items for Jeepers. We are constantly adding items so …
Jeep JK Wrangler Review – Part 3
An in-depth look at the new JK Wrangler. Inside, outside, on the trail, and on the road. We took the opportunity to visit some trails in the central PA mountains to do an in depth review of the new …
Buying a new Jeep? Lease vs. Buy Part 4
Some more things to consider when leasing.
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Identifying Jeep Vehicles
Trying to identify your Jeep or one you are looking to buy? Maybe you just want to become an expert at identifying Jeeps?
CJ Renegade Spotters Guide
A guide to identifying CJ Renegade Jeeps Jeep started the Renegade option in 1970 on the CJ-5 model and continued it all the way to the end of the CJ series in 1986. Renegade models offered special …
Spotters Guide to the 72-75 AMC CJ-5
Identifying a Jeep – An In-depth Spotters Guide to the 72-75 AMC CJ-5. When AMC acquired the Kaiser Jeep Corp in 1971 they made many changes to the Jeep line starting in 1972. Identifying a …
Jeep Vehicles VIN Reference Guide
Decoding Jeep VIN Numbers The Vehicle Identification Number, or VIN is important for many reasons. Most of these reasons have nothing to do with us owners. But to a serious Jeeper the knowledge of …
Jeep Spotters Guide
Below is a chart giving information on various commonly found Jeep vehicles including model years, names, tech info, etc…If you find any discrepancies in this chart or have any thing to add click here …
Jeep Engines Tech
We all are chasing engine technical information from time to time. From error codes to oil capacity.
Jeep Engines – Factory Engines, Engine Conversions, Engine Swaps
These Jeep engine pages cover stock Jeep engines, engine swaps, engine performance, and engine rebuilds.
Carter BBD Carburetor Alternatives – Part 2
Recap: In the last few years of the CJ series and the first few years of the Wrangler YJ Jeep outfitted the 4.2L (258) 6 cylinders with an electronic carburetor referred to as the BBD. The Carter BBD …
6 On the Trail Radiator Repair Tips
By Rick Webster – 4X4Review.com For those of you that do their 4-wheeling in some remote area or in some vegetated sections that typically have tree limbs that poke out, we comprised this list …
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Jeep Tires Tech
Tires are such a common upgrade to our Jeeps, making the right choice can be a challenge.
Checking Tire Pressure – Determine Correct Pressure
How to figure the correct tire pressure for larger tires. This article was spawned from a continuing conversation from our Jeeping friend Bob in his quest to get his JK handling correctly. If your …
Determining the Tire Contact Patch
You buy new (and larger) tires and possibly wheels for your Jeep and you wonder what’s the proper pressure. It’s often different than the stock tires since the larger tires are …
Tire to RPM Ratio Chart
The following chart shows engine rpm at 60 mph for various combinations of final drive ratio and tire diameter. If you want to determine rpm at a speed other than 60, or for a combination of ratio and …
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Jeep Wheels Tech
Along with tires, wheels are a common upgrade to a Jeep. There’s so much more than just picking a style you like. Making sure they fit correctly is an important factor in choosing wheels.
What Jeep Wheels Fit?
Often we get questions on what tires fit on what kinds of Jeeps with this or that lift, etc. In addition we get many questions asking on what jeep wheels fit on this particular Jeep or that. The Jeep …
Wheel Terminology
WHEEL TERMINOLOGY Offset: The distance from the centerline of the wheel to the face of the mounting surface of the wheel that contacts the hub. Negative offset: Indicates the mounting pad is behind …
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Jeep Suspension Tech
Lift kits and suspension mods are maybe second to tires and wheels. We discuss all kinds of options and how to pick the correct lift for your Jeep.
Jeep Wrangler JK Alignment
After the installation of a lift on a Jeep an alignment will make sure the Jeep tracks correctly down the road and prevent premature tire wear. Unlike a typical car the Jeep Wrangler continues the …
Jeep Tie Rod and Drag Link End Identification
information provided by Parts Mike There are many 4X4 Internet sites and companies that make reference to custom steering components and list ES2233L and ES2234R tie rod ends as being “1 Ton” parts. …
Jeep Spring Lift vs. Spacer Lift: Benefits, Differences, and Costs
When it comes to lifting a Jeep Wrangler TJ, JK, JT or JL, two of the most common approaches are spring lifts and spacer lifts. Both raise the ride height, but they do so in very different ways, and …
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Jeep Bumpers, Exterior and Armor Tech
Protecting Your Jeep’s Underside – The Suspension, Steering, and Exhaust
Some components under your Jeep are vulnerable and are often overlooked. The suspension, steering, and exhaust system are key components that your Jeep needs to have protected.
Jeep Wrangler JK Front Bumper Guide
Since the JK introduction in the 2007 model year many many different manufacturers have designed bumpers in all shapes and sizes. Some are classy, some bulky and ugly. Many have winch mounts, air …
Winches, winches, and winches
In the not so distant past there were only the big boys of the winch world. Those companies like Warn, Superwinch, and Ramsey were the names everyone knew when looking for a winch for your Jeep. …
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Jeep Chassis and Body Tech
Jeep CJ-5, CJ-7, and CJ-8 Scrambler Frame Dimensions
The following images outline the frame dimensions on late model (76-86) CJ vehicles. These images can come in handy when attempting to straighten or customize a Jeep frame. Also see CJ-5 Frame …
CJ Restoration Steel vs. Fiberglass Jeep Bodies
Steel vs. Fiberglass Jeep Bodies: Pros, Cons, and Considerations At some point, most Jeep owners, especially those working on older CJ restorations, end up facing the same decision: steel or …
Fixing JK Wrangler Door Water Streaks
Anyone who has a JK Wrangler should be familiar with the streaks that come after washing or a good rain. The water seems to collect behind the mirrors and slowly drain out down the door leaving behind …
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Jeep Electrical Tech
JK Wrangler Power Locks Tweaks
There seem to be many combinations of the power lock operation in the new JK. Some of these procedures are under debate and some you may need to try a few times to get it right. Use at your own risk.
Novak Guide to Electrical Conversions in Jeeps
Information courtesy of Novak Conversions A good electrical system depends on clean sound connections, free of grease, dirt or corrosion. The condition of connections to ground is just as important as …
Understanding and Troubleshooting Jeep CJ Gauges and Senders
This article only covers Jeep CJ gauges and senders used in the AMC era Jeep CJs built from ’72-’86. Some of this information will be useful for owners of other Jeeps. There are some …
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Jeep Gear Tech
CB Antenna Selection and Mounting Considerations
CB Antenna Selection and Mounting Considerations by Right Channel Radios, article reprinted with permission. There are a large number of CB antennas on the market and it can be a daunting task …
Winch Snatch Block and Tree Strap – Winch Gear
Having a winch on your Jeep is almost as standard as a lift but having the right winch accessories should be standard too. A winch snatch block and tree strap should be a standard addition to your …
GoPro Hero Cameras – Capture the Moment
Nothing is more enjoyable tackling some challenging trails and having your vehicle (and you) surviving to tell about it. Even better, capture the moment on video to relive the experience and prove it …
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Jeep Driveline Tech
Trail Driving Technique
Slippery conditions can turn a normally easy trail into one that is nearly impassable. Snow is an obvious cause, but on certain soil types a rain storm can turn the surface of the soil into something …
Jeep NV241OR Swap – Replacing a NP231 Transfer Case
The Jeep NP231 transfer case, used in everything from YJs to TJs and XJs is a lightweight, reliable part of the 4WD puzzle. But when you start throwing serious tires, lockers, and steep trails at your …
Driveline Angles – Part 2
CHECKING DRIVESHAFT ANGLES IN THE VERTICAL OR HORIZONTAL PLANE WARNING: Rotating shafts can be dangerous. You can snag clothes, skin, hair, hands, etc. This can cause serious injury or death. Do not …
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Jeep Driving Tech
The RTI Ramp
A vehicle’s RTI or ramp travel index is a measurement of a vehicles suspension (and frame) flexibility. In many situations off-road a vehicles flexibility may be the determining factor of …
Air Down Basics
Anyone who has been off-roading more than a few times understands the reasons to “air-down”. If you don’t know why then read on. Airing Down allows your vehicle’s tires to …
Trailering Safety and Trailer Hitch Information
by Jeff Jackson When you are pulling a trailer or load of any kind, one thing is undisputed: trailer towing is a special situation which places demands on your driving skills, and on your tow vehicle. …
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Jeep Garage and Tools Tech
Tap and Drill Bit Size Chart
Tap and Drill Bit Size Chart The charts below show you what size drill bit to use with a tap. Tap sizes are shown as hole size – threads per inch. Example 1/4-20 = 1/4″ hole, 20 threads …
Millermatic 175 Mig Welder
A Jeepers garage is not complete without a quality welder. The Millermatic 175 is a small, portable welder that offers capabilities and features the home fabricator needs. The …
Removing Seized Nuts and Bolts
This article attempts to allow you to arm yourself with knowledge about removing stubborn fasteners. The items are listed from what we believe is a first to last resort. Happy wrenching, or in this …
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Pot Luck
Here’s a random pick of all the articles that deal with Jeep tech.
Random Jeep Picture Jeep CJ-5 VIN Plate
Pictured below you will find a VIN plate from a 1972 CJ-5. The VIN plate was found on the drivers side of the dash. Within the picture you can see the wiper control switch and the …
TJ Computer Error Codes
Experiencing a check engine light on your Jeep Wrangler TJ? Get your hands on a diagnostic code reader and see what it’s saying. Code readers can usually be borrowed or rented from local auto …
4xe in Winter – Getting the Oil Hot Enough
If you live somewhere cold it’s only a matter of time until your Jeep enters FORM and getting it out to go back to normal operation hybrid/electric operation is usually a matter of getting the …