Not Ranked
Where did it break?
If you car is less than a year old, your dealer should replace the axle. Does your car have the Australian Dana rear end or the Ford 8.8? I don't recall when the change was made. I don't recall hearing of any axle failures with the new rear ends.
I understand some folks have had good luck with the Driveshaft Shop but I didn't. I sent back three sets of axles before I gave up on them. The first set didn't fit, the second set had used Ford outers and the third set had used aftermarket outers, even though Frank at the DSS insisted the outers with the ends all marked up by hammer blows were "new". To his credit, he did refund the purchase price but not the cost of shipping.
I ended up having a set of axles custom made by a local shop. Their performance products engineer was and has been very helpful but said his company is really only interested in manufacturing more of these axles on a volume basis if someone wants to place a wholesale order and then retail the individual axles.
My new axles have a splined inner stub with a flange on the outer end to accept a flat CV joint similar to the ones on the new SPF axles. I upgraded to a 31 spline differential carrier at the same time, although these splined stubs are manufactured with either 28 or 31 splines. The axle shafts were custom made and we reused my outer splined CV joint cups but with upgraded internals manufactured by this same company. I've had these axles in my car since June (4K miles) and have had no problems. Over the winter they plan to make me another complete set with flat CV joints at both ends. The big advantage to the flat CV joints is that they can be easily disassembled for servicing or to replace the boots.
You're welcome to email me or PM me for more info if you want.
Lowell
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