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.
What is Ethanol?
information courtesy www.ethanol.org Ethanol is a clean-burning, high-octane fuel that is produced from renewable sources. At its most basic, ethanol is grain alcohol, produced from crops such as …
Jeep Wrangler JT Concept
PRESS RELEASE: Chrysler teamed up with the guys at Skunkwerks to build the long waited for Jeep truck. Based on the JK Wrangler Unlimited the truck features all that is found in an unlimited along …
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 …
How to Test Compression Pressure on an AMC V8 Engine
Using a Simple Tool to Tell You a Lot About Your Engine’s Health. Whether you’re diagnosing a misfire in your vintage AMC 304 equipped Jeep CJ-5, checking on a tired 360 in a Jeep Wagoneer, or just …
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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.
Unichip Performance Module & Airaid Cold Air Intake Dyno Test – Part 2
Together with OK Auto we put two JK Wrangler Unlimiteds on the dyno at G&S Autoworks in Oxford, NJ to test the results of the performance products we were installing. The products involved int the …
Wrangler JK 3.8L Oil Change
a little info for the DIY types Depending on the year Jeep recommends changing the oil in the JK Wrangler every so many miles miles or when the on-board system tells you to. Changing your own oil is a …
Wrangler JL 3.6L V6 Oil Change
The 2018+ Wrangler JL uses the same 3.6L V6 as the 2012-2018 Wrangler JK. There are some internal tweaks, but it’s mostly the same on the outside. A redesign of the top engine cover makes …
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Jeep Tires Tech
Tires are such a common upgrade to our Jeeps, making the right choice can be a challenge.
What Tires Fit?
We put together a little reference guide for those of you wondering what size tires will fit under your Jeep. These are general guidelines, your vehicle may be different. We are only going to cover …
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 …
How-To Read a Tire – What Does the Sidewall Say?
The side of your tire, known as the sidewall, contains all the information you will need to know about your tire. Whether your tire says “Goodyear” or some other name, all tires are …
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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 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 …
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 …
What Tires Fit?
We put together a little reference guide for those of you wondering what size tires will fit under your Jeep. These are general guidelines, your vehicle may be different. We are only going to cover …
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Jeep Bumpers, Exterior and Armor Tech
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. …
Protecting Your Jeep’s Underside
Most Jeeps come factory with some protection for the basic parts underneath. The gas tank, transmission, and transfer case are usually among the factory protected. Sometimes the factory protection is …
Jeep Wrangler JK Front Bumper Guide Part 2
Part 2: 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 …
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Jeep Chassis and Body Tech
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 …
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 …
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.
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Jeep Electrical Tech
Wiring Basics – Components
At some point a Jeeper decides to install a new gadget or modify an electrical component. Often these electrical items are a CB radio, auxillary lights, or a piece of audio equipment..the list goes …
How to Tune a CB Radio with a Workman SWR Meter
Using Simple Tools for Better Communication. Whether you’re driving a Jeep down a dusty trail or communicating with your Jeep convoy, a CB radio is still a solid tool in the toolbox. But even the best …
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 …
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Jeep Gear Tech
Selecting the Best CB Radio
Selecting the Best CB Radio by Right Channel Radios, article reprinted with permission. The most important thing to understand when choosing a radio is that all CBs, regardless of their price, are …
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 …
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 …
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Jeep Driveline Tech
Toe, Caster, and Camber – Adjusting Camber
Jeep Steering Alignment 101 – Dana 30 and Dana 44 Front Axle Camber Adjustment
Changing Axle Gear Oil
Every Jeeper should know that changing differential gear oil should be part of a regular maintenance schedule. The differential gear oil should be changed every season especially if the Jeep has seen …
Installing a Chrysler 727 into a CJ
A few years back we covered a frame up restoration of Rich’s CJ. The old Jeep was stripped and completely redone. See Rich’s 84 CJ-7 Restoration After a few years the engine that Rich had …
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Jeep Driving Tech
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 …
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 …
Jeep Quadra-Trac 4wd System
The Quadra-Trac name is used on a variety of Jeep full-time 4WD systems. It was available on several Jeep vehicles over a span of years. Often the name Quadra-Trac name was used to refer …
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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 …
On the Trail Tire Repair
If you visit the Rubber Manufacturers Association’s website, it will inform you that the only way to safely repair a tire is with a plug-patch combination. If you talk with fellow Jeep owners, …
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Pot Luck
Here’s a random pick of all the articles that deal with Jeep tech.
68,000 2010 Jeep Wranglers Recalled for Fire Risk
Chrysler Group is recalling about 68,000 2010 Jeep Wrangers in the U.S. for a problem that has lead to fires in some cases.
2012 Wrangler to get Pentastar V6
November 2011: Wrangler to get Pentastar V6 In the announcement on Chrysler’s third-quarter sales results, the company’s CEO Sergio Marchionne confirmed that next year’s 2012 Jeep …
How-To Read a Tire – What Does the Sidewall Say?
The side of your tire, known as the sidewall, contains all the information you will need to know about your tire. Whether your tire says “Goodyear” or some other name, all tires are …