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Hi, what did you replace? Was it the fuel distributor?
Is it still dying after running for a minute?
Previously you said it was dying after a minute and I felt as though you were lacking fuel. I said that if you could keep it running by adding ether I thought you had a fuel flow problem. If it stays running now but runs rough I would check the compression and check for vacuum leaks and pull one spark plug wire at a time and see if you can identify which cylinder is weak.
You would have to rule that out first. You should always start with a compression test to be sure you have even compression on all cylinders.
Can you make a youtube video of how it is running and send me the link?