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How To Adjust and Tune Holley Carburetors

How To Adjust and Tune Holley Carburetors
Holley carburetors are known and respected by professional drivers and weekend racers. In addition to carburetors, Holley's product lineup includes performance fuel pumps, intake manifolds & engine dress up products.

This tutorial includes instructions on how to fully adjust and finely tune Holley carburetors…

Trusted by NASCAR and NHRA Teams, Henry Ford, and You.

How well does Holley know fuel systems? They started working on some of the first cars with Henry Ford back in 1903.

For over 100 years, Holley has been the go to resource of fuel systems for automotive innovators, professional drivers, and weekend racers alike. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro Stock champion for over four decades. Holley doesn’t just design, engineer, and assemble their parts, they also put them through a rigorous testing phase in their Vehicle Lab. Bench testing, lab testing, and “live” tests on an NHRA track all combine to help Holley maintain its performance promise.

It’s the attention to quality and detail, at every level, that has made Holley a trusted expert in fuel system technology for automobiles. There’s a reason that Henry Ford called on them…