Broke off the oil cooler nipple on the lower end. Got the IP pump and filter housing out to replace gaskets, doing the leaky oil cooler lines as well. I've read a little bit about people retapping the oil cooler threads. When the whole nipple breaks off behind the hex nut, can you just reweld? I know its aluminum, but I don't see why a quality aluminum welder couldn't do it and make it work well. Please convince me otherwise, because I'm leaning this way. Unless anyone has a used cooler they are wanting to sell for a reasonable price.

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1983 300CDT -- 177K