jetting

Weber Carburetor High Altitude Tuning Classic Inlines Technical Archive While there is no exact formula for tuning or re-jetting a Weber carburetor for high altitude operation (4,000 feet or more), the following guidelines should help you maximize the available power. Keep in mind that no...

Before You Touch the Carb The secret to understanding the critical nature of Weber carb setup is the idle circuit — referred to as the low-speed circuit by Weber. This circuit is responsible for 80% of the driving operation. A properly set up Weber should give an improvement in fuel economy...