Hopefully it's just the differential and at worst, you can source a nice low mileage one and just have it swapped...but hopefully your warranty will cover it this time.
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DV, here's a 8.8 rear differential that's a breakin....so it DOES happen, this is why I and others recommend the Ford 9 inch diff...it can be had in IRS config now, (
http://www.cwiinc.com/ ) since you are designing from the ground up, it seems to make sense to moi...in the vacuum of knowledge I live in concerning the parameters of your DV cars...

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James Madison, father of the Constitution, said, "If Tyranny and Oppression come to this land, it will be in the guise of fighting a foreign enemy." He also said, "No nation could preserve its freedom in the midst of continual warfare..."
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