Fuel-pressure regulators are fuel-pressure regulators are fuel-pressure regulators, right? Wrong! While they all accomplish the same purpose, there is a big range when it comes to price, material, ...

For this issue's Tech Inspection, we added a Cagle fuel regulator to a daily driver. The Cagle regulator is different from most because it restricts fuel according to engine load (as read by engine ...

Your car's engine needs a very specific diet of air and fuel to do its job, and it's the fuel pressure regulator's (FPR) job to feed it the right amount. The gadget is relatively tiny and can fit in ...

We don't have to tell you that too little juice to the squirters, especially under boost, is a costly proposition that could lead to serious internal surgery on your engine. Twelve years ago, when ...

I own a 1991 Corvette that’s developed an unusual problem: It will not start when cold unless I squirt ether starting fluid into the intake manifold, at which point it starts immediately. Once started ...