(Editor's Note:Please check your local DMV/Smog regulations as de-veining the smog pump may be an illegal modification for a street registered and driven vehicle. ) When you de-vein a smog pump, the ...

Q: I’m wondering if you could hook up a smog pump in order to use it as a supercharger. A: That’s an interesting idea, but a typical belt-driven air-injection pump won’t come close to pushing the ...

During one of my many daily jaunts under the hood to inspect everything that's broken before and has been fixed, I noticed my smog pump pulley was beginning to wobble. During engine operation it ...

Most rodders underestimate the importance of maintaining the emissions equipment on their cars. Contrary to popular belief, emission controls on modern engines are designed to help maintain an ...

Sometimes you just feel sorry for an old car. At that point you have two choices: you can put it out of its misery or you can rescue it. The subject of this tech article is a 1974 Chevy Nova four-door ...

(Editor’s Note:Please check your local DMV/Smog regulations as de-veining the smog pump may be an illegal modification for a street registered and driven vehicle.) This month we are going to roll up ...