RKSpeed
Well-known member
Anyone have any idea what this tool is for? I guessed clutch line up tool. No ID numbers other then CORNWELL-B. Which by doing some reading on AA it looks like it was made around the 1930's?
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Cornwell Tool ID
- Thread starter RKSpeed
- Start date
JASTECH
Well-known member
That or a plunger/rod from a rather large brake cylinder.
Bruce Lancaster
Well-known member
- Joined
- Apr 3, 2006
- Messages
- 1,642
Pretty sure this a wrist pin installer for a Model A or about 1932-34 V8 Ford!
It is old and essentially extinct now because almost all replacement pistons use a different retainer ring setup.
The original pistons had the snap ring for retaining the piston pin axially in the middle of the connecting rod small end. This tool carried the pin into its home and the tapered end weaseled it into the snap ring...once it clicked in, the tool unscrewed into 2 pieces for removal. Almost all aftermarket pistons used regular one-at-each-end snap rings not requiring the tool. The 4 and 8 cylinder tools are similar but different diameters.
It is old and essentially extinct now because almost all replacement pistons use a different retainer ring setup.
The original pistons had the snap ring for retaining the piston pin axially in the middle of the connecting rod small end. This tool carried the pin into its home and the tapered end weaseled it into the snap ring...once it clicked in, the tool unscrewed into 2 pieces for removal. Almost all aftermarket pistons used regular one-at-each-end snap rings not requiring the tool. The 4 and 8 cylinder tools are similar but different diameters.