Which clutch disk: AE-7550-B or B5A-7550-B

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Oldgearz

Senior Member
Have a 1954 Ford Customline 239 V8 and am looking for a new clutch disk. The 1954 mechanics book say it is an AE-7550-B. Can't find these but lots of B5A-7550-B are advertised as made for that year. Will the B5A-7550-B fit into the 1954 239 Y-block car?
 
First, you need to know if it's a Long style clutch with the three groups of two close together bolts or a Borg & Beck clutch with six equidistant bolts. It's likely a 10-inch Long type but it depends on when the last time it had a replacement. The more modern diaphragm type clutches generally have the Borg & Beck style equally spaced bolts. The flywheel can be indexed and re-drilled for any clutch that is sold as a Y-block replacement if it doesn't match the OEM bolt pattern. The old Long types with the 10-inch 1-1/8" 10-spline clutch cover and disc are getting harder to source and the Borg & Beck are even harder.

Once you know what pattern and size clutch it has, you should be able to either find a clutch overhaul facility that can rebuild it or just order a modern replacement through Y-block sources.
 
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