Mechanics can test your fuel system pressure with a gauge to determine whether the regulator is working properly. If it’s the problem, it’s usually an affordable fix, often costing under $200 ...

And recently, on a well-sorted-out bracket car, quarter-mile runs dropped from slower than 10.61 @ 120 mph all the way down to 10.31 @ 129 mph as the carb was tuned to work with the fuel regulator.

Read this guide to creating a custom fuel system. View photos and more at Car Craft ... Since every pressure regulator has fuel pressure versus spring ... Autogage fuel-pressure gauge. ATM-2180.

Common fuel-system problems on C4 Corvettes include the following: Faulty fuel pump; Restricted fuel filter; Faulty fuel-pressure regulator; Leaking fuel injectors ...

The fuel system isn't the coolest part of your car, but have some fun with it while making it safe and reliable. See All 24 Photos If your tank isn't already equipped for a breather, you will need ...