Holley carburetors

Once described as the small block Chevy of fuel delivery, the Holley 3310 carburetor (4150 and 4160 models) landed at #1 on our list of most important aftermarket parts of […]

You’ve got questions. We’ve got answers — when we work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we help a reader troubleshoot sluggish […]

Iconic — adj. \ī-ˈkä-nik\ — widely recognized and well-established; acknowledged for distinctive excellence What are the most iconic brands in the automotive performance aftermarket? We thought about that for a while and collected votes […]

Q: I have a 355-cubic-inch small block Chevy. The carburetor is a Holley 1850, 600 cfm with manual choke and vacuum secondaries. My problem is, the secondaries won’t open at any […]

Carb tuning has been a popular topic for us and our readers. Over the past few years, we’ve done several posts on the topic. The process itself can be a little […]

Maximize the capabilities of your high performance Holley carburetor by learning how to tune it for high-horsepower and racing applications. In this 38-minute video, a Summit Racing tech expert covers […]

Holley four-barrel carburetors are probably the most common high performance fuel mixing devices on the planet. Given the sheer numbers of carburetors made since the 1950s, you know they work. […]

An improperly adjusted electric choke on a Holley four-barrel carburetor can keep your engine from idling properly during cold starts. Starting a cold engine requires a richer air/fuel mixture as […]

Holley carburetors have a power enrichment system that provides fuel to the main power circuit during heavy loads or under full throttle situations. The vacuum-operated power enrichment system is controlled […]