Vincent Keene wrote:
MikeWhitney wrote:
You need something to mount the hub on the car, or the wheel to the hub?
I need something to center the wheel/rotor on the hub. After more research it seems the Mustang center bore is 70.5mm (not 70.3) so I need 70.5mm OD x 57.1mm ID.
The website Ryan linked to has something close, so I wonder if 70mm x 57.1mm will work OK? Will that 0.5mm (1/64") be that big of a deal?
OK, I think I get it. Rotor is loose on the hub, and you need a ring to center and locate the rotor. Keep in mind that wheel hub centering rings are usually designed to be pressed into the wheel and as such usually have a lip which keeps it from being pressed in too far. If you need the ring to locate the rotor also, then this ring will probably prevent you from doing that -- unless the rotor also has a chamfered edge on the backside. Then you would be able to put on the hubring, then the rotor, then the wheel. That might work. Depending on the thickness of the rotor hat, though, wheel hubrings will probably be too short to also provide for the wheel centering. I still think something custom machined at 0.05mm undersize for a solid interference fit might be preferable.
IMO, that 0.5mm is going to be a problem. For a wheel it may be no big deal since the wheel lugs end up providing centering, but the holes on the rotor are a loose fit and don't give centering. I think 0.5mm potential "wobble" in the rotor is asking for vibration problems.
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Mike Whitney
whit32@gmail.com, 919-454-5445
V10, V8, V8t, I6, I6, V6, F4t, I4, I4, I4, I4, I2, 1, 1
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