One of the most crucial, yet overlooked adjustments in a Holley four-barrel carburetor is the float. Adjusting the float and fuel level on a Holley four-barrel carburetor is easy if you follow these basic steps. By Taylor Vlahos, DS Media First, it's important to know how the fuel float system operates. The floats, located in the fuel bowls of Holley four-barrel carburetors, control the fuel delivery system and ensure that the carburetor ...
Updated Today at 01:01 PM by Dan S
The Husky Liners/Patterson Racing COPO Camaro, equipped with Holley EFI, set a NHRA National Record in the CC/SA Class. Driven by Todd Patterson, the COPO Camaro ran 9.25 at 142 mph run during the NHRA Sunflower National Open, held at the Sunflower Rod and Custom Association (SRCA) Drag Strip in Great Bend, Kansas. "We felt great about the run," said Todd Patterson of Patterson Racing. "It was awesome to be the first one to set a record in the COPO ...
Chad Henderson and his Grand National set a new record for a stock suspension radial nitrous car using a Holley Dominator EFI and custom 3-stage NOS dry-nitrous system, both tuned by Monte Smith Performance. The 632 cubic inch equipped Grand National ran a 4.41 at the annual Shootout At The Springs event, in Holly Springs, Mississippi, April 19-21, 2013. The team has been running the Holley EFI and NOS combination for three years, and this ...
Updated 04-29-2013 at 11:15 AM by Dan S
Holley Carburetor Electric Choke Adjustment Procedures And Tips By Taylor Vlahos, DS Media Relations 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 cold fuel vaporizes slowly. Therefore, the choke provides a richer mixture by slightly closing off the carburetor’s air supply. When the choke isn’t ...
NASCAR engine builders and teams look back on how the move from carburetors to EFI has changed the race forever. By Taylor Vlahos, DS Media Relations Beginning with the 2012 season, NASCAR broke years of tradition by switching from carburetors to fuel injection for Sprint Cup engines. With NASCAR’s narrow band of racing conditions, Holley’s four barrel carburetor managed to hold out for six wonderful decades as the fuel delivery ...
Updated 01-21-2013 at 04:08 PM by Dan S
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