• Demon Carburetor Jetting
• Holley Carburetor Jetting
• Rochester Carburetor Jetting Guide

Fuel plus air equals motion—that's the basic science behind most of the vehiclesthat travel on land, over sea, or through the sky. Cars, trucks, andbuses turn fuel into power by mixing it with air and burning it inmetal cylinders inside their engines. Exactly how much fuel and airan engine needs varies from moment to moment, depending on how longit's been running, how fast you're going, and a variety of otherfactors. Modern engines use an electronically controlled systemcalled

Created Date: 1/12/2001 11:14:38 AM. Tuning of Weber carburetors All Weber carburetors have four circuits. Idle Cross-over High Speed Accelerator Idle and Cross-over - These circuits are inter-connected, in that the Idle jet is responsible for the fuel supply for both circuits. It provides fuel to the idle mixture screw (responsible for idle supply.

fuel injection

Demon Carburetor Jetting

to regulate the fuel-air mixture so it'sexactly right from the minute you turn the key to the time you switchthe engine off again when you reach your destination. But until theseclever gadgets were invented, virtually all engines relied oningenious air-fuel mixing devices called

Holley Carburetor Jetting

carburetors

Rochester Carburetor Jetting Guide

(spelled'carburettor' in some countries and often shortened to just 'carb'). What are they and how do they work? Let's take a closer look!