When it comes to carburetors, we find that most guys will fall into one of two camps. There are the hard-core racers/tuners, for whom the bigger it is and the more parts and pieces can be swapped ...

"What's that?" you ask. "Vacuum secondaries on a full-sized race carb?" Is it heresy, or might there just be a method to the madness? We know that vacuum secondaries are a feature designed and aimed ...

Chuck Jenckes has exercised his engineering talents at several companies, including the major OEMs in Detroit, Trick Flow, and-now, through his consulting business-Demon Carburetion. Always in demand, ...

Forget throttle tip-in, driveability, and vacuum at idle. Set the thing on Kill Mode via thimble-sized fuel jets, disregard the power valve, and let the carburetor dump as much fuel as possible down ...