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RANDYS Blog | Articles and Information on all things Drivetrain

How It Works: The Pros and Cons of Spools & Mini Spools

Posted by : Evan | Posted on : Aug 30, 2021

Spools are all about getting full lockup on a budget… 100% lockup 100% of the time. There are two types of spools: full spools and mini spools. Each attains the same objective, ensuring both drive wheels on a given axle receive full torque and rotate at the same speed all the time. They create a solid axle.   Read this article in Español   The Spool Compromise As with...

Chromoly: The Science Behind Yukon Performance Axles

Posted by : Evan | Posted on : Jul 20, 2021

Chromoly… the utterance of the word conjures images of superhero strength. The word is derived from chromium and molybdenum, the two main alloying elements of the metal. Chromium brings three major benefits to the table: innate hardness, improved pliability during the quenching process, and outstanding corrosion resistance. Molybdenum also serves to increase the alloy’s hardness. Read this...

Jeep Wrangler Guía de observación de la transmisión

Posted by : Doug | Posted on : Apr 5, 2022

AX-15 – Manual de 5 velocidades Jeep Wrangler: 1988.5 - 1999 con 6 cilindros en línea, 4.0 litros Hechos: Se reemplazó una caja de cambios débil Peugeot BA10 Relacionado con la Toyota Supra Turbo R154 manual La mejor transmisión de 5 velocidades instalada en un Wrangler Consejos: Carcasa intermedia completamente de aluminio...

How It Works: Spider Gears - Video

Posted by : Evan | Posted on : Jul 20, 2021

Spider gears are primetime players inside the differential. Also known as satellite gears, spider gears rotate around the side gears in the differential carrier. Side gears may also be referred to as axle gears or planetary gears. To spot spider gears look for the gears with the cross-pin shaft going through them. Read this article in Español What Gears Do The diff’s array of...

Escogiendo la relación de transmisión correcta-Video

Posted by : Evan | Posted on : Mar 7, 2022

Existen tres razones principales para reemplazar los engranajes de tu vehículo. El primero es para recuperar la capacidad de la conducción y la eficiencia de combustible de un vehículo de conducción diaria que ha sido modificado con rines y llantas más grandes. El segundo es afinar las características de rendimiento de un vehículo que es dedicado para todoterreno, donde el enfoque está más en...

Instalación de sellos de ejes, los 10 mejores consejos

Posted by : Evan | Posted on : Mar 8, 2022

Como sucede con muchas de las operaciones automotrices, la complejidad de una tarea no siempre es representativa de su importancia. Tomemos como ejemplo la instalación del sello del eje... un asunto bastante sencillo, pero si se hace mal, el diferencial está condenado a morir. El sello del eje tendrá fugas y, en última instancia, provocará la falla de los engranajes. Para evitar este...

Yukon Gear & Axle Dana 30 Performance Options

Posted by : Evan | Posted on : Aug 30, 2021

The Dana 30 differential has been pulling the front of Jeeps around since the CJ-5s of the early 1970s. Available in high- and low-pinion versions as well as standard and reverse rotation versions, the Dana 30 can be found in Wranglers, Cherokees, Grand Cherokees, and Comanche MJs to name a few. They are also in early Ford Broncos and various AMC applications. Too often the capabilities of...

How It Works: Lunchbox Lockers

Posted by : Evan | Posted on : Aug 30, 2021

The Spartan Locker, USA Standard Gear’s lunchbox locker, provides game-changing traction at a low cost. A locker physically joins the drive axles together so they deliver an equal amount of torque to each tire, regardless of available traction. Lockers come in two flavors… selectable or mechanical. What are the Different Types of Lockers? A selectable locker is an on-demand unit that the...

Tools of the Trade: Yukon Driveline Tools

Posted by : Evan | Posted on : Jul 20, 2021

From weekend warriors to master builders, craftsmen worldwide know that no matter what you’re working on, it’s all about the tools. For the mechanic, having the right tools is the difference between a smooth well-executed job and running around trying to find ‘something that works’ —most likely a screwdriver or other blunt, ill-advised tool—just to get the vehicle off the lift. But the...

How It Works: Yukon Dana 30 CAD Delete Kit

Posted by : Evan | Posted on : May 19, 2021

What is CAD? What is CAD? It’s not short for Cadillac… In this case it’s not the acronym for Computer Aided Design… For our purpose CAD stands for "Central Axle Disconnect." At its core, the Yukon Dana 30 CAD Delete Kit blocks off the vacuum actuated engagement of four-wheel drive in Dana 30 differentials. Select Jeep vehicles produced from 1984 to 2001 are equipped with the automaker’s...