INTRODUCTION:
CONGRATULATIONS on your purchase of a Holley® carburetor! We feel that you have purchased the finest performance
carburetor manufactured today. Should you need information or parts assistance, please contact our Technical Service
Department at 1-270-781-9741, Monday through Friday, 7 a.m. to 5 p.m. CST. Please have the part number of the product you
purchased on hand when you call.
NOTE: The 0-7448, 0-4412C, and 0-4412S are designed as a universal-type, 2-barrel carburetors. These model 2300
carburetors bolt directly to most Ford 2 barrel V-8 manifolds.
To preserve the warranty, these instructions must be read and followed thoroughly before and during installation.
NOTE: These carburetors are not designed to meet any emission requirements for 1968 and later applications. Therefore, they
should be used only for competition/off road vehicles or vehicles not required to comply with late model exhaust
emission standards.
WARNING: If you are using this carburetor with a GM overdrive transmission TH700R4 or a TH200R4, you must use a
transmission kickdown cable bracket (Holley® P/N 20-95) and stud (Holley® P/N 20-40). Otherwise,
SEVERE transmission damage WILL result. This carburetor is not designed to work with ANY other
automatic overdrive transmission.
REMOVAL:
1. Remove the air cleaner, exercising care to detach any vacuum lines from the air cleaner without damage. Note the original
locations so they can be reassembled to the air cleaner in the same manner.
2. Remove the existing carburetor by the following procedure:
A. Carefully disconnect the fuel line.
WARNING: Carefully protect the open end of the fuel lines, so that no foreign particles can enter. Wrap the end of the
fuel line with a clean lint-free cloth.
B. Disconnect and mark all vacuum lines and wiring (if any) to the carburetor.
C. Disconnect the PCV hose.
D. Disconnect the choke rod or heat tubes (if equipped).
E. Disconnect and remove the throttle linkage and automatic kickdown linkage. Save all retaining clips.
F. Unbolt and remove the carburetor from the manifold. Use care not to let anything (i.e. old gasket material) fall into the
intake manifold.
G. Lay a clean cloth across the intake manifold opening to guard against any foreign matter entering the intake manifold.
3. If the intake manifold is being changed at this time, install the new manifold according to the manifold’s manufacturer’s
directions. Since we are not familiar with all manifold instructions, Holley® cannot accept responsibility for their validity.
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