HOLLEY Model 2280 2-Barrel: Description

The Holley model 2280 2-bbl. carburetor uses 4 basic fuel metering systems; basic idle system, accelerator pump system, main metering and power enrichment systems. The idle system provides mixture at idle and low speed engine operation. The accelerator pump system provides an additional predetermined amount of fuel for acceleration. The main metering provides an economical mixture for normal cruising. And the power enrichment system provides a richer mixture when high power output is required (full throttle operation).