Engine Builder Tech Center
Gauging Engine Data

Gauges not only provide vital data about your car or truck’s engine, but can also add some style to the vehicle. There are many different routes to take and angles to consider when deciding on what gauges to add to your vehicle.

Popular Engine Swaps

Engine swaps belong in a world of their own. After a little digging, you can find multitudes of ingenious swap ideas, whether it be small block to big block, diesel to gas, or many other combinations.

Honda engines have been a popular choice for engine swap enthusiasts since the early 90s due to their power and dependability.
Running the Right ECU

It’s important that the ECU you choose for your vehicle’s engine makes sense for its application. Many people are not aware that the stock ECU simply isn’t going to cut it it many performance applications.

Many engine builders have said Holley is a great ECU package for your wallet and your vehicle.
Inside EFI University

Ben founded EFI University, a high-performance engine training center, in 2003 when he decided to create a weekend seminar to help encourage engine builders to embrace electronic fuel injection. Within the first six months, he was overwhelmed with requests to continue teaching it.

Oxygen Sensors & Tuning

Oxygen sensors and the closed-loop EFI systems that utilize them are fantastic tools that can unlock levels of performance unheard of just a few short years ago.

All About Timing Chains

If you’re building late-model dual overhead cam (DOHC) engines, you’ve probably noticed that a chain rather than a belt drives the camshaft. But why is this the case when chains are more expensive to produce?

Intake Manifolds for the Modern Age

Today’s aftermarket intake manifolds offer engine builders many options, but choosing the right one for your build is more than just finding the biggest one.

Rebuilding the Subaru WRX Engine

The WRX has been around for quite some time as Subaru’s flagship, four-door performance car. We took an in-depth look at the WRX engine architecture, the pros and cons of some of the engine variants for North America, and what it takes to build these engines up to handle serious horsepower.

Adding Power with Superchargers

Superchargers have been in the market for a long time and there is a large variety to choose from to suit every need, car and budget.

Shop Solutions June 2021

Measuring installed height on LS or any other engine with beehive or small OD retainers can be tricky without a special height mic. But if you take your standard height mic and flip it upside down, it will work.

Picking a Turbocharger Kit

Turbocharger kits come with many different parts that all require attention when buying. This is why searching through quality kits is important.

Diesel Transmission Upgrades

Diesel owners who add big horsepower, wheels and tires also need some driveline upgrades to keep it all together.