Took a couple of pics for you. This is the tool that I bought. The little bulge at the top of the measuring tip is 0.3 inches OD. The bulge keeps the stick from getting inserted too deep. When my vehicle is hot, the trans level runs at the 2 inch mark (probably could go a hair higher). When it has idled for 15 minutes from cold, it reads at the 1.25 inch mark. The other pic is a spare NAG that I have. As you can see, the oil level sits at the very top of the transmission case with the tube removed. This is of course once the converter and cooler are filled. Hope it helps.
BTW.......These trans are notorious for converter shudder. Just be aware if you feel something funky when you are driving. Apparently not a damage issue, more like an annoyance. It doesn't happen to them all, and there is an additive you can use to deal with it.
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