Ford 2.3 / LRG-423 — Float Adjustment (Holley Model 1940)
Adjustments
For the Ford 2.3 / LRG-423, from the Ford service manual.
Applies to: Ford LRG-423 engine
Before you start
- When bending the tang, do not force the Viton-tipped fuel inlet needle against the seat or the Viton tip on the needle will be damaged.
Procedure
- Remove carburetor assembly from the intake manifold and drain the fuel from the fuel bowl.
- Invert the fuel bowl cover and place a straightedge across the surface of the fuel bowl.
- The toes of the floats should just lightly touch the straightedge; adjust by bending the float tang.
- Both floats must be parallel and not cocked or offset; bend the float shafts to even out the floats and recheck.
Tools required
- Straightedge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Ford LRG-423 engine →
Source: Ford service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.