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You are here: Home / Articles

Tech Videos [Click Here]

Shocks & Coilover TechToyota Tacoma & 4RunnerJeep WranglerTech Forms

Performance Elite Series vs Factory Race Series

March 17, 2022
What is the difference between Fox Performance Elite Series shocks and Fox Factory Race Series Shocks? Take a look at this article to find out!

Shock Oil Flow Through Piston and Valving

December 28, 2021
Curious to know what goes on inside a shock, or what exactly we are “tuning”? Click here to find out!

Fox 2.0 Factory Race Series vs Performance Series Smooth Body Shocks

August 17, 2021
If you’re building a 4×4 vehicle that requires custom length shocks, this article is for you! Daily driver or race, this article will give you a good idea on which shock to choose.

Coilover Preload Adjustments 101

July 8, 2021
This article is going to explain how to adjust preload on adjustable aftermarket front coilovers for most trucks and SUVs. Pretty much everything you need to know about making adjustments and why.

Fox DSC Assembly

May 11, 2021
Ever wonder how a DSC Adjuster is assembled? Or have you ever wanted to replace your DSC Adjuster knobs? If you answered yes to any of those questions, this article is for you…

Bypass Shock Tech | 5 Part Series

March 9, 2021
Bypass shocks for your off-road vehicle can be a huge performance upgrade, as long as they are set up properly. This 5 part series of articles will go in depth about Bypass Shocks and help explain some of the unique features they have to offer…

Comparing Shocks: IFP Shocks, Remote Reservoir Shocks And Emulsion Shocks

August 20, 2020
Whats the difference between an IFP shock and a Remote Reservoir Shock? What about an Emulsion Shock? Click to find out out!

Suspension Setup For OEM Fit Front Coilovers

June 17, 2020
This article goes over the basics on how to setup your adjustable OEM Fit Fox or King coilovers. 0-2″ lift, 0-3″ Lift, extended length etc…

When are Tender Coils ok to use?

April 14, 2020
This article will go over Tender coils and how they are used. If you have a light weight rock crawler, this article may be for you!

TECH TIP: Which Shock Fitting can you Adjust?

March 23, 2020
We get this question a lot! Sometimes you may need to make a slight adjustment to the hose routing to get everything to fit just right. Well, this Tech Tip will help explain the fittings and which ones can be adjusted safely…

Should I Get FOX DSC Adjusters?

December 10, 2019
Fox offers a Dual Speed Compression Adjusters (DSC) on their shocks and coilovers. This will allow you to manually adjust the high and low speed compression valving on the shocks…

Measuring for Coilover Shocks- Universal Fit Coilovers

June 17, 2019
Over the years, high performance coilover shocks have become popular for off-road vehicles with custom built suspension. Going with a coilover shock can be a great option since they can be tuned.…

Icon Vehicle Dynamics – 2.0 Digressive Piston Review

August 31, 2017
While rebuilding some Icon Vehicle Dynamics 2.0 FJ Cruiser rear shocks we took the opportunity to snap some pictures and explain more how they work.…

Digressive vs Linear vs Progressive Pistons & Shock Valving

August 21, 2017
Our Founder and author of this article, Ryan Raker, has been designing, tuning, and manufacturing shocks with digressive, linear and progressive damping curves since 2001. During that time he used…

How King Compression Adjusters Work

June 21, 2017
King Shocks offer Compression Adjusters on 2.0, 2.5, and 3.0 coilovers, smoothies and internal bypass shocks. King compression Adjusters have a single knob to quickly make adjustments to mid speed…

How Fox DSC Dual Speed Compression Adjusters Work

November 30, 2016
Fox offers Compression Adjusters on 2.0, 2.5 and 3.0 coilover, smoothie and internal bypass shocks. Fox calls their adjuster a Dual Speed Compression (DSC) adjuster because…

Fox vs King: 2.0 Coilover Shock Comparison

February 11, 2016
Contrary to popular belief, the differences between Fox 2.0 Remote Reservoir Coilovers and King 2.0 Remote Reservoir Coilovers run much deeper than the color of their.…

How To Select The Right Length Coilovers

October 28, 2015
Off-Road coilovers are not meant to be used as bump stops because the wiper seal is usually exposed externally. Follow these steps to make sure your shocks don’t become.…

Fox 2.5 Factory Series vs 2.5 Performance Series Coilovers

October 21, 2015
In 2014 Fox introduced the 2.5 Performance Series line of coilovers to their offroad division in order to better compete with lower cost King and Sway-A-Way shocks.…

Coilover Shock & Spring Selection For Handling

October 14, 2015
There are two ways to get an off-road vehicle to handle well: sway bars or careful shock and spring selection. This article is for those who want to optimize their handling without using sway bars…

Guide To Suspension Design For Going Fast In Comfort

July 24, 2015
The following are general rules of thumb that we have collected from working on all sorts of different vehicles. We recommend them as a starting point when thinking…

Shock Tuning 101

July 24, 2015
Shock valving influences ride and handling, but these two things are often at odds with each other. Large amounts of low speed rebound will give you great cornering control…

How To Perform AccuTune Measurements

July 24, 2015
Measuring Motion Ratio is surprisingly simple, but take care, this is the most important measurement because it is used several times in out equations. Take measurement…

Performance Valving: Learn About AccuTune, ProTune and Other Valving Options

July 24, 2015
AccuTune is the most accurate way to get your shocks setup correctly. Through decades of shock tuning and engineering we have created a set of equations that calculate the ideal…

The Difference Between Emulsion & Remote Reservoir Shocks

July 24, 2015
A brief review of shock design hierarchy needs to be included to paint a complete picture, emulsion monotube shocks are far superior to twin tube shocks in comfort, performance and durability…

How To Calculate New Preload And Springs By Using Existing Springs

July 24, 2015
If you have determined your coilover springs are the wrong rates, this article will walk you through how to take the proper measurements in order for us to calculate the correct rates…

How To Measure & Set Coilover Spring Preload

July 24, 2015
Getting the correct coilover spring preload is the first step in setting up your suspension. So what is preload? Preload is the initial (pre) tension (load) on your springs before carrying…

How To Choose Coilover Spring Rates

July 24, 2015
Spring selection is critical to the operation of your suspension. Springs hold your vehicle up, provide cornering roll resistance, and make sure the suspension droops out properly…

Suspension Terms

July 24, 2015
Air Bump – A shock designed specifically for preventing bottoming out.…

Toyota Tacoma & 4Runner Frequently Asked Questions

January 25, 2021
If you have a question about your Toyota Tacoma or 4Runner suspension, chances are we have it covered in this Tech Article. Click through to read more…

Fox vs King OEM Fit Coilovers | What’s the Difference?

May 12, 2020
Fox and King are two of the top off-road shock brands in the industry today. Are they practically the same or completely different? Read this article to find out!

Why are Coilover Spacer Lifts so bad?

February 13, 2020
A shock spacer lift is a cheap way to lift your Tacoma, 4Runner or Tundra, but can cause some serious issues which may end up costing you more in the long run. Why are spacer lifts so bad? Watch this video to see why.

KDSS Tech | Kinetic Dynamic Suspension System

January 21, 2020
What is KDSS? Can I lift my 4Runner with KDSS? How tall can I lift my KDSS equipped 4Runner?

Tacoma / 4Runner – Adjusting Preload FAQ

November 11, 2019
We get a lot of questions about Toyota Tacoma & 4Runner suspension systems. This page will be dedicated to helping customers like you, get the answers needed…

Coilover Spring Rates for Toyota Tacoma & 4Runner

MARCH 28, 2019
We often get asked about whether or not someone needs 700lb springs for the front of their Tacoma or 4Runner. Usually this question is asked because the customer…

What Size Tacoma/4Runner Shocks Do You Need?

January 22, 2018
When it comes to performance off-road shocks for Tacoma’s and 4Runners it can be difficult to choose which shocks are right for your Toyota and your type of off-roading.…

Related Tech Articles

Below are more helpful Tech Articles related to this category

Should I Get FOX DSC Adjusters?

December 10, 2019
Fox offers a Dual Speed Compression Adjusters (DSC) on their shocks and coilovers. This will allow you to manually adjust the high and low speed compression valving on the shocks…

Fox vs King: 2.0 Coilover Shock Comparison

FEBRUARY 11, 2016
Contrary to popular belief, the differences between Fox 2.0 Remote Reservoir Coilovers and King 2.0 Remote Reservoir Coilovers run much deeper than the color of their anodizing…

How King Compression Adjusters Work

June 21, 2017
King Shocks offer Compression Adjusters on 2.0, 2.5, and 3.0 coilovers, smoothies and internal bypass shocks. King compression Adjusters have a single knob to quickly make adjustments s…

Which Shocks for Your Jeep Wrangler? 2.0″, 2.5″ or 3.0″

September 21, 2020
Choosing the right size shocks for your Jeep can be overwhelming. In this article, we will go over 2.0, 2.5 and 3.0 shocks and describe when they may be the best option for your Jeep.

Choosing The Right Length Jeep Wrangler JK Shocks

June 21, 2016
While tuning our Go Fast Fox Jeep JK shocks we realized that many people are selecting the wrong length shocks and leaving significant travel unused. It is common to choose Fox JK shocks by…

Related Tech Articles

Below are more helpful Tech Articles related to this category

Should I Get FOX DSC Adjusters?

December 10, 2019
Fox offers a Dual Speed Compression Adjusters (DSC) on their shocks and coilovers. This will allow you to manually adjust the high and low speed compression valving on the shocks…

Fox vs King: 2.0 Coilover Shock Comparison

FEBRUARY 11, 2016
Contrary to popular belief, the differences between Fox 2.0 Remote Reservoir Coilovers and King 2.0 Remote Reservoir Coilovers run much deeper than the color of their anodizing…

How King Compression Adjusters Work

June 21, 2017
King Shocks offer Compression Adjusters on 2.0, 2.5, and 3.0 coilovers, smoothies and internal bypass shocks. King compression Adjusters have a single knob to quickly make adjustments s…

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