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Old 07-30-2016, 05:38 AM
WSSix WSSix is offline
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Join Date: Nov 2008
Location: Dunwoody, GA
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Thanks Jay. My reasoning for removing each component and working my way back to the axle flange was in an attempt to eliminate tolerance stacking and ensure it wasn't multiple issues. I also was checking for flushing fitting between components as I assembled and disassembled.

My adapters came from Motorsport Tech. They are a good company. I haven't measured them beyond putting the dial indicator on them. What I did find is that the wobble is approximately the same 0.006 and in the same high and low locations as the axle flange.

Brakes are C5's so rotor is one piece. Brake kit is from Kore 3 though I supplied the rotors and calipers. I had these same brakes and calipers on the last rear end with a different company's kit. No issues there. I don't really have a way to check the rotor hat for flatness. The rotor does lay flat and not wobble when set on the floor or other "flat" surface.

One other thing I haven't mentioned is I have gone through and cleaned all the mating surfaces and inspected them to make sure I don't have any mate up issues that could some how create a stacking issue. I've sanded down the back of the wheel with a sanding pad and 320 grit for instance just to see if there were any high spots. I noticed nothing out of the ordinary. The high and low spots from the axle flange translates out to the rim edge.

I'm about to go out side and start working on swapping the axles. I'll see about getting a video when I do that. I'll have to remove the brake kit which I think this will give me a better view of the axle flange to determine is the face is simply not true or if the shaft is bent which is throwing off the flange.

Thanks!
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Trey

Current ride: 2001 BMW 540iT soon to be manual swapped.

Former rides: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims

00 BMW 540i/6: Suspension, wheels, and ACS bits.
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