Dialing In Your TBI Adjustable Fuel Pressure Regulator
Installing a tbi adjustable fuel pressure regulator is probably the smartest thing you can do for an aging throttle body injection system, especially if you've started adding performance parts. Most of the old GM trucks and cars from the late 80s and early 90s are still running on their original, non-adjustable regulators, which were honestly a bit "good enough" even back when they were new. If you've ever felt like your engine is stumbling under load or just doesn't have the crisp throttle response it used to, the fuel pressure is often the hidden culprit. ...