Most factory fuel pressure regulators are not adjustable, but many enthusiasts replace them with adjustable versions. The swap is easy and allows a measure of tuneability.

The metal tip should face the engine—the fuel injector rail connects to the fuel lines and fuel pressure regulator. After locating the fuel injector, test for fuel pressure and flow using a multimeter ...

Finding an OEM fuel pressure regulator replacement of a recent motor might not be as challenging as our Dholaikhal has plenty in stock. But when it comes to aftermarket ones, it is worse than a ...

Most factory fuel-pressure regulators were not adjustable, but many enthusiasts soon replaced the stock non-adjustable unit with one of the many adjustable regulators available from the ...

Even stock replacement mechanical fuel pumps can generate excessive… The post Tech 101: Performing A Fuel Pressure Check appeared first on The Online Automotive Marketplace.

Since every pressure regulator has fuel pressure versus spring pressure vented to atmosphere, you can run a fitting to manifold pressure. On boost, the extra atmosphere will increase fuel pressure ...

A fuel pressure regulator will limit any inconsistencies in any carbureted system. If you're concerned that an electric pump might exceed the pressure rating of your carburetor (s), a regulator ...