When you have to get something done, you have to make due with what you have. I had a wrist pin become collateral damage in an oil control ring failure and I needed replace the bushing and wrist pin in my 4BT.

They use a tapered wrist pin and that means pressing in a bushing that does not want to go in straight. My goal was to get the old one out and push a new one in. I succeeded. V1 of this tool took out the old bushing no issue. But it sucked at pressing a new one in. I also didn't use my shop press and tried to hammer it in. Don't do that.

So I put on my old bushing, traced a line around the now "machined" old wrist pin and went to make my own tool. That basically involved welding bead lines, sizing, rewelding, grinding, cutting, filing, etc until I got a tool like you see in the picture. The cost of a tool to do this one wrist pin bushing was something like $800. Each bushing cost $22 and I only burned one new one. Not too shabby.

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