No, but I'll see what I can find out.

I know both Vargr and Dolphins were uplifts (and I'm sure there were others) in Traveller. The Dolphins are different enough to begin with that comparisons are hard. In the Vargr's case, they have a bit of better dex and suck a bit more in end if I recall the alien modules. The claws and bite they have are... underwhelming. And nobody ever suggested they have better hearing or sense of smell, both of which I would believe should have been in there.

I want a bit of game balance, but not simply by boiling differences down solely to stat mods. That's kind of a flavourless way to go (D&D has basically done that in a few incarnations and it makes the demi-humans often bland vs. what they could be).