I sacrificed a $140 battery cable to do this repair, but it looks better than a bolt on terminal and will not corrode like one.
Going to get some thermostat sealant and a gasket. Then I need to adjust the steering spool valve, and tune the carburetor.
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I did something similar with the battery cable on my '65 Formula S Barracuda.
The repop cable is almost $300 and not really correct. Color on the repop is wrong (should be black) and the terminal isn't close to correct shape. I've also read that it misses the mark on correct length, but I can't verify that. As you can see from the pic of the repop, it's an overly complex piece that would take a lot of screwing around to replace with other than stock anyway.
My car had its original cable and in great shape, but someone had added a temporary "bolt on" battery terminal that looked ready to fail, as they all eventually do. I found a replacement cable that matched the wire size and is the same color. I cut the replacement and crimp connected to the existing cable. I have some crimpers for that size wire.
The terminal is still not correct shape, but only a very few will know that. The colors match and with some black shrink tubing added and with it tucked down a bit, I'm the only one that sees it. Since the PO installed a repop Mopar battery, I wanted the rest of the wire to look right, even if not 100% correct.
Point being, for the doubters, is that it was 7 or 8 years ago, and it's still working just fine. I'd snap a pic but the car's on the lift.