when the smog equipment-laden used cars from the late-'70s and early '80s would basically never run right again if a vacuum line was pulled off the carb. You just didn't touch it. Fuel injection ...

with its auxiliary combustion chambers and rich/lean dual-circuit carburetor, the tangle-o-spaghetti under the hood became, well, terrifying. I see the notorious CVCC Vacuum Hose Routing Diagrams ...

Don't get us wrong. There's absolutely nothing wrong with a carburetor. These largely mechanical devices have delivered precise amounts of air and fuel into engines from the very first internal ...

In this installment, the second of three, we'll cover the air meter re-assembly process, as well as the installation of the injectors, the fuel lines, the vacuum lines, and the throttle linkage.

If that's the case, you can also try to pinch off some of your vacuum lines. This can help identify ... If you've recently removed the manifold, carburetor, or throttle body, it can be helpful ...

This disrupts the air-fuel mixture and can lead to a variety of engine problems. Vacuum leaks are often caused by gaps in the vacuum lines, faulty brake booster diaphragm, incorrect installation ...

There appears to be a surge of misinformation on the internet claiming that anyone who doesn’t hook their vacuum advance line to manifold vacuum is an incompetent tuner. Unfortunately, this can lead ...

Applications include fuel systems, air conditioning, brakes, oil coolers, vacuum lines, airbag-suspension plumbing, and anything else you can think of. The Bent shop creates all the hard lines for ...

You had a bewildering can-o-worms swirl of vacuum hoses, connected to sensors and solenoids that, say, adjusted the fuel mix only when ... not to mention every single line. Murilee Martin The ...