On the rear of my 914, I have 4 lug hubs drilled to 5 lugs. I have sebro rear disks.
I was going to install them however when the hubs were drilled, now the M6 disk retaining screws do not line up. Are these necessary? Should I just drill and tap the holes for the retaining screws?
I guess I am confused, did you drill the rotors too?
Sorry for my poor explanation. I have 914/4 hubs that were drilled for 5 lugs. Now that they are converted to 5 lug hubs- the brake disk retaining screw holes on the brake disk do not align with the tapped holes on the hub.
In the first picture- the A-holes do not line up with the b-holes in picture 2. The question is- is there an alternative or do I simply have to drill and tap new holes in the hub?
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Why cant you just rotate it?
Soooo my a-hole doesn't line up with my b-hole. Lo
Thats your problem. Your car has four A holes! I wonder if those Sebros are the problem
I think, you have to drill and tap a new hole. Which reminds me, I didn't. So apparently you can get away without doing it. The lug nuts hold everything???
The retaining screws are not needed. They are just a convenience, to keep the rotor in place when the caliper is removed. As noted above, the lug nuts actually clamp everything together when the wheel is installed.
Perfect. I could see how those little M6 screws could do much of anything other than keeping them in place with the calipers off. I was afraid that if I just did a diy drill/tap job, it may not be perfectly positioned which would probably just screw things up. So I am glad to hear that I can just run it as is.
The securing holes on 911 rotors do not match up with the securing threads on the 914-4 hubs. if you want to use the screws, you'll have to drill and tap the hub for the 911 rotor securing screw holes.
I did this by mounting the rotor holding on with a couple of lugs, and by using the same size drill bit as the diameter of the securing screw holes in the rotor, drill just enough to get an idea of where the center of the mounting holes go. Then remove the rotor and drill the holes out with the proper sized drill for the tap. Tap the holes and you're done.
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