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| How To Make a Locking Dowel Pin? |
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| snub:
Some very good info gentlemen, thank you. I found a picture of the Lakewood dowel and it appears as if they have just run a taper tap not quite to the end. It might be just that simple. In experimenting I made a dowel .001" undersize of the hole in the engine and using my pipe thread method it didn't take much to expand the dowel so that it was locked. |
| snub:
Apparently it is....just that simple. I first cut 3 slots 120 degrees apart, then ran the tap through, not quite to the end. As I was tapping I could see the tap pushing the walls apart as it ran through. When I removed the tap the cylindrical section returned to its former dimension. When I ran a bolt through with the dowel pin in the block it tightened up securely. A thing of beauty! |
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