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BMC A series Cam bearing insertion/removal tool — image 1
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BMC A series Cam bearing insertion/removal tool

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I wanted to make this tool to change cam bearings in an A series engine. It just had to survive one extract and insert.

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Model information

Category
Automotive
License
Creative Commons — Attribution — Share Alike

The original design is based on a drawing presented on the MGAguru website. it is suggested that this too be made from a soft aluminum and as I don't have a lathe I wondered if a tool set made from PETG would do just as well.

To get a good fit I ran a few samples of 5mm thickness and adjusted the model to make sure I had a good fit into both the bearings and the bore in the block.  The models here produced perfect results for me on my printer.