Holley History: Holley Develops the Copper Core Spark Plug
Holley History: Pro Stock Domination from 1970 to Today!| 01/02/2020
The NRHA Pro Stock drag racing class became an official Eliminator bracket during the 1970 racing season. From Day One, its contestants chose a matched pair of Holley four-barrel carburetors atop their engines no matter who the car manufacturer was. Pro Stock grew out of Super Stock (S/S) racers’ frustration with hard braking at the finish line to keep from losing via .... CLICK HERE TO LEARN MORE!
Tech Tip: E85 Conversion on a 4150 QFT Carburetor!| 11/20/2019
There is no denying that it is easier than ever to make big power, whether that be through a rowdy mouse motor on nitrous or a junkyard LS engine with a hairdryer; it seems that anyone can make near 4-digit numbers with their home-built hotrod... CLICK HERE TO LEARN MORE!
Blackbird Challenger Gearing Up To Defy Expectations Once Again, This Time In NMCA Xtreme Street| 10/23/2020
Geoff Turk’s storied career on and off the track has led to championship podiums and executive boardrooms in nearly equal measure. After a successful stint campaigning the X-15 Cobra Jet Mustang in Factory Super Cars, Holley’s new chief operating officer is returning to the Mopar camp with a revised version of the Blackbird Dodge Challenger Drag Pak, which will run in a new, less restrictive class.
How Do Nitrous Nozzles Work?| 10/23/2020
NOS offers multiple nitrous nozzle styles and in this installment, we walk you through how to choose the correct one for your build.