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> My 993 brakes on a 914 project
spare time toys
post Jan 4 2006, 07:01 PM
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OK so I have these 993 rotors laying around and figure I can put them on my car and have some great brakes. I have a pair of 911 struts and hubs coming from the west coast but figured I would get a jump on this with the extra hubs I won on EBAY. That way if I mess up I can just get some carrera rotors and use regular good brakes. I have been looking at some of the 911 guys brake conversions on the bird board. The hubs need to fit down inside of these rotors but need to be modified so they will go in.


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spare time toys
post Jan 4 2006, 07:02 PM
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This is the lip that I must remove


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spare time toys
post Jan 4 2006, 07:05 PM
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I dont have a lathe here at the house and there is a new guy over in plant maint who is watching guys to see who is doing home projects (IMG:http://www.914world.com/bbs2/html/emoticons/unsure.gif) So I figured out if I put them on the rear axel studs I could spin the axel and use a die grinder to remove the extra lip (IMG:http://www.914world.com/bbs2/html/emoticons/cool_shades.gif)


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spare time toys
post Jan 4 2006, 07:08 PM
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Here is after a couple of minutes but my boy got tired of spinning the axel (IMG:http://www.914world.com/bbs2/html/emoticons/laugh.gif)


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spare time toys
post Jan 4 2006, 07:12 PM
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(IMG:http://www.914world.com/bbs2/html/emoticons/aktion035.gif) I got it almost down in to the rotor but had to stop to watch the rose bowl. Will post more photos tomorow (IMG:http://www.914world.com/bbs2/html/emoticons/beerchug.gif) I plan to make my own adapters for the front calipers once the struts get here. Then the next chalenge will be the rear rotors and brakes.
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Aaron Cox
post Jan 4 2006, 07:26 PM
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just a thought.... how unbalanced is the hub now?

albeit its all close to the center (less effect....)
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spare time toys
post Jan 4 2006, 07:57 PM
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QUOTE (Aaron Cox @ Jan 4 2006, 08:26 PM)
just a thought.... how unbalanced is the hub now?

I will almsot guarentee these hubs are not balanced at the factory. The hubs on our riding mower look like more effort was put into making them (IMG:http://www.914world.com/bbs2/html/emoticons/sad.gif) These had flashing on them left over from when they were made (IMG:http://www.914world.com/bbs2/html/emoticons/screwy.gif)
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spare time toys
post Jan 5 2006, 06:37 PM
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More work on making this work today (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) I got it in and sitting flush (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif)


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spare time toys
post Jan 5 2006, 06:38 PM
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This is as close as the pre worked hub gets (IMG:http://www.914world.com/bbs2/html/emoticons/sad.gif)


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spare time toys
post Jan 5 2006, 06:40 PM
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this is a side by side comparison of the hubs


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spare time toys
post Jan 5 2006, 06:45 PM
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here is up close of the face end of the hub where the rotor goes up against. It is not as thin as it looks because you need to cut a 45 Deg. chamfer on the edge because down in the rotor it is not a square corner from the side to the face. (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif) I would guess they do that because of stress.


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spare time toys
post Jan 5 2006, 06:50 PM
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Ill start in on the other one tomorow. Does any one know the length of the caliper adaptor block for big reds? I have a chunk of 7075 T Cap about a foot and a half long where each leg is about 7/8 inch thick and 3 inches wide that I plan to use to make these (IMG:http://www.914world.com/bbs2/html/emoticons/smash.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/welder.gif) (IMG:http://www.914world.com/bbs2/html/emoticons/sawzall-smiley.gif)
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Series9
post Jan 5 2006, 07:00 PM
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I turned mine on a lathe to fit 996TT rotors. Unfortunately for me, the 6-piston Brembos I used didn't lend themselves to machining adapters, so I had to fully commit by cutting and welding substantial mounting blocks.

You're on the right track.


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Series9
post Jan 5 2006, 07:01 PM
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another:


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Aaron Cox
post Jan 5 2006, 07:02 PM
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gawdamn.... 100mm studs?
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Series9
post Jan 5 2006, 07:06 PM
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Oh yeah!

The adapters you need are available from Steve Timmins in Delaware. He's the one who first started using the late style rotors on early hubs.

http://www.instant-g.com/
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Series9
post Jan 5 2006, 07:06 PM
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QUOTE (Aaron Cox @ Jan 5 2006, 06:02 PM)
gawdamn.... 100mm studs?

Yes.
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spare time toys
post Jan 5 2006, 07:08 PM
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QUOTE (914RS @ Jan 5 2006, 08:00 PM)
I turned mine on a lathe to fit 996TT rotors.
You're on the right track.

Thanks, Unfortunatly the new guy in the shop has cracked down on home projects. (IMG:http://www.914world.com/bbs2/html/emoticons/sad.gif) So I get to do this the go old fashond shadetree way and improvise. I only used up about 10 3 inch sanding discs. (IMG:http://www.914world.com/bbs2/html/emoticons/lol2.gif)
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Aaron Cox
post Jan 5 2006, 07:10 PM
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i love the advertising
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Again, not cheap and more than you need on a 2500 lb car.


thats cool! (IMG:http://www.914world.com/bbs2/html/emoticons/smilie_pokal.gif)
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i love porsche
post Jan 6 2006, 08:34 AM
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joe....thats a PCCB caliper, right? are you using the composite pads?? because thats not the composite rotor...or did you just paint the big red brakes, yellow
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