What is Cavitation? How to Avoid It.

The most common failure of high flow fuel systems is cavitation, or “vapor-lock”. The combination of too much heat or too much inlet restriction can create this operating condition, where the liquid fuel literally vaporizes (boils) inside the pump assembly. … Continue reading


How To: Accurately Adjusting Blocking Style Fuel Pressure Regulators

Accurate and consistent fuel pressure is critical for maximum and consistent high performance. Therefore accurate adjustment of fuel pressure is critical. This can prove to be a challenge with Blocking Style fuel pressure regulators: Unless proper adjustment procedure is followed … Continue reading

Fuel Pump Motor Technology – Brushed DC Motors vs. Brushless DC Motors

FUELAB is proud to be the innovator of brushless and speed controllable fuel pumps in the automotive aftermarket. Our Prodigy Series of fuel pumps feature brushless electric motors for efficiency, long-life and reliability. Prodigy also features Digital Variable Speed Control … Continue reading

FUELAB Billet Brackets – Extreme Strength and Beauty

FUELAB Billet Brackets provide extreme strength while offering an attractive custom look. Machined from billet aluminum, the brackets are used to mount FUELAB Prodigy Fuel Pumps and FUELAB Fuel Filters, and are offered in a variety of configurations to accommodate … Continue reading

How to Perform System Diagnostics with a FUELAB 529xx Series Regulator – Part 2

This article is a continuation of the FUELAB article, http://fuelab.com/forums/topic/how-to-perform-system-diagnostics-with-a-fuelab-529xx-series-regulator/, that discussed how to perform diagnostics on the FUELAB 529xx Series Electronic Fuel Pressure Regulator when used with a FUELAB Fuel System, as well as how to measure and track the … Continue reading

How to Perform System Diagnostics with a FUELAB 529xx Series Regulator

This article is a continuation of the FUELAB article, http://fuelab.com/how-fuelabs-electronic-regulator-works/, which describes the function of the FUELAB 529xx Series Electronic Fuel Pressure Regulator. We recommend reading that article before moving onto this article, which discusses how to perform diagnostics on … Continue reading

How FUELAB’s Electronic Regulator Works

This article will describe how FUELAB’s 529xx Series Electronic Fuel Pressure Regulators work, and the functionality that they provide. 529xx Series regulators can be categorized as a Bypass Style regulator with distinct features. Before we proceed, you may find it … Continue reading

1:1 Boost Reference Fuel Pressure Regulators

In earlier articles we discussed how bypass style, and blocking style fuel pressure regulators work. This is a great article for understanding the basics of fuel pressure regulator function. The articles can be found at http://fuelab.com/forums/forum/customer-support-2/pressure-regulators/ within the “Bypass or … Continue reading

Fuel Line Size vs. Pressure Drop

It is important to understand the relationship between fuel line size and fuel pressure when planning a fuel delivery system. Fuel systems can be incorrectly designed if the pressure loss attributed to the length of the fuel lines isn’t taken … Continue reading

Understanding Fuel Line Fittings – Straight Thread (and AN) vs. Tapered Thread

This article describes the different types of fittings that are commonly used for high-end racing and street performance applications. The fittings we will discuss are Adapter Fittings (also called Standard, or Union), Port Fittings, and Pipe Fittings, as well as … Continue reading

“There’s something wrong with my fuel pressure regulator…..”

Roughly 95% of the fuel pressure regulators we sell are for a return style fuel system, so that’s what I’m going to focus on for this tech article. This is a tech call that I field at least 5 times … Continue reading