Ford — Carburetor Float Adjustment
Adjustments · Holley Model 1940 carburetor
From a Ford service manual covering: 140 CID, 2.3 LITRE, 2300 cc, LSG-423. Check it applies to your exact model before use.
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Before you start
- Do not force the Viton-tipped fuel inlet needle against the seat or the Viton tip will be damaged.
Procedure
- Remove carburetor from intake manifold and disconnect all connections.
- Remove fuel bowl cover and drain fuel from fuel bowl.
- Invert carburetor assembly and place a straight-edge across surface of fuel bowl.
- Toes of floats should just lightly touch the straight-edge.
- Bend float tang to adjust; both floats must be parallel to straight-edge and not cocked or offset.
- Bend float shafts to even out the floats; recheck float level.
Tools required
- Straight-edge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.