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I am hoping some Avanti enthusiasts can help me here.

I have a customer with a 79 Avanti II that would like me to upgrade his rear axle to a 12 bolt posi-traction. He recently installed a high horsepower engine & 700R4 transmission upgrade, and he feels he needs to upgrade here as well.

I am curious if there are any members here that have performed this type of axle conversion, and if so, can help me source parts to accomplish this. What I need to know is what housing from a different vehicle would work best in this car. He preferably would like a disc brake axle, but it is not absolutely necessary as I can convert a drum set-up to a disc set-up if I have to.

Thanks in advance for your replies.

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