Back to Basics: Holley Jet Extensions

Back to Basics: Holley Jet Extensions

February 27, 2019 Wayne Scraba 1

When a Holley 4150 or 4500-series carb is mounted normally, fuel rushes toward the primary jets as the car accelerates. It also means fuel runs away from the secondary jets. Not good. But today, the cure is simple.

Phoenix NHRA Winners Were Survivors

Phoenix NHRA Winners Were Survivors

February 26, 2019 Anne Proffit 0

Last weekend’s 35th annual Magic Dry Organic Absorbent NHRA Arizona Nationals were difficult for racers, officials and fans of the sport, as weather dictated the cadence of the race meeting and challenged crew chiefs to prep cars on the fly with the changing and challenging conditions.

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