Holley Carburetors by Mike Mavrigian

Author:Mike Mavrigian
Language: eng
Format: epub
ISBN: 9781613253144
Publisher: CarTech Inc.
Published: 2015-12-06T16:00:00+00:00

This tool has a center round dowel that automatically centers the tool into the face opening of the jet; the flat driver seats into the jet slot. The tool prevents slipping, which can occur with a common flat-blade screwdriver. The tool’s center dowel keeps the driver securely positioned.

Power Valve Removal

The power valve is threaded into the metering block from the rear. The body of the power valve has a four-sided flat drive instead of a hex. A 1-inch wrench is required for removal or installation. The flats on the power valve are fairly shallow. Although a conventional open-end, box, or socket wrench may be used, a superior choice is a dedicated power-valve wrench. This is a billet aluminum tool that is specifically designed to perfectly engage the power valve without the danger of slipping off or gouging the flats or nearby surfaces.

Rotate the power valve counterclockwise to remove it. The power valve includes a sealing gasket. If you plan to reuse the existing power valve, make note of the gasket style (open center or center with three tangs) because you must use the same style of gasket for the power valve.

Remove Power Valve

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