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 ...

The fuel pressure regulator is a vital automotive component for most cars. If it goes bad, it can cause a lot of issues, ...

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 ...

We've all been there, thinking maybe it is time to freshen up the old steed, bring it back to its former glory. You know, just a quick repaint, maybe fix a couple of those problems you've been putting ...