I think you have other problems. As much negative camber is available would not IMHO wear the tires that fast.

I bet your toed out severely and burning off the rubber that way.....could also be caused by worn front end parts too but toe out would be needed to produce that massive wear.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.