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> Boxster Calipers, got them installed today!
SirAndy
post Feb 27 2012, 01:12 AM
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About time too as my Carrera brake pads were down to the metal.

The idea was simple, get rid of the Carrera Calipers and mount Boxster Calipers all around using the mounting adapters from Rich Johnson.


Of course, nothing ever goes as planned: (IMG:style_emoticons/default/headbang.gif)

First, i failed to read Rich's instructions that clearly state that you have to use a 20mm 911 SC rear rotor.

Well, i have 24mm Carrera rear rotors. The Boxster Calipers had to be machined (2mm off each of the brake pad pins) and the adapters had to be milled to center the Boxster Calipers over the wider rotors.
(IMG:style_emoticons/default/smash.gif)

Then, after everything was bolted together, i recalled reading that the hard brake lines may not be long enough.
And sure enough (of course) the front brake lines were about 1" too short. Arrghhh.
(IMG:style_emoticons/default/rolleyes.gif)

McMark came to the rescue and we made two new lines. (IMG:style_emoticons/default/thumb3d.gif)

In the rear, i used banjo fittings on the Calipers (Thanks to Eric Shea for those!) and the rear brakelines were no problem.

Mark and i then bled the brakes. I was still getting some air in the front, but it was already 9pm so we decided to call it a night and i drove it home (40+ miles). The brakes actually felt fine, they seem to work great.
I'll go back to the OC shop next weekend and we'll bleed them again.
(IMG:style_emoticons/default/driving.gif)


And now for the pitchers:
(IMG:style_emoticons/default/beer3.gif)
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SirAndy
post Feb 27 2012, 01:12 AM
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RJ Adapters:

(IMG:http://www.914world.com/bbs2/uploads/post-179-1312050058.jpg)
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SirAndy
post Feb 27 2012, 01:13 AM
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Test fit in the rear:



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SirAndy
post Feb 27 2012, 01:14 AM
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Sharpie marks for milling the adapters so they would center over the 24mm rear rotors:



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SirAndy
post Feb 27 2012, 01:15 AM
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Milled down rear adapter mounted:



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SirAndy
post Feb 27 2012, 01:16 AM
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Rear Caliper bolted up:



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SirAndy
post Feb 27 2012, 01:17 AM
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The inner rear pads need to be shaved down a bit as they would otherwise hit the mounting ears (shaved one on the left):



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SirAndy
post Feb 27 2012, 01:18 AM
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Fuzzy pic of the retaining pin that i cut down to 78mm length. Otherwise it's too long to completely move out of the way to replace the rear brake pads:



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SirAndy
post Feb 27 2012, 01:19 AM
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Everything in place. I added some blue loctite to the mounting bolts for the final assembly:



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SirAndy
post Feb 27 2012, 01:20 AM
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One more, rear all installed:



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SirAndy
post Feb 27 2012, 01:21 AM
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The front went on much easier. Here's the adapter mounted:



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SirAndy
post Feb 27 2012, 01:22 AM
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Test fitting the front:



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SirAndy
post Feb 27 2012, 01:22 AM
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And final assembly:



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SirAndy
post Feb 27 2012, 01:22 AM
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Time for a shower and some beer!

(IMG:style_emoticons/default/drunk.gif)
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Cairo94507
post Feb 27 2012, 08:09 AM
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Wow that should give you some serious stopping power. Sweet.
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jaxdream
post Feb 27 2012, 09:46 AM
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Those look fantastic!!!!!!!!! (IMG:style_emoticons/default/piratenanner.gif) (IMG:style_emoticons/default/aktion035.gif)

Jack
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JStroud
post Feb 27 2012, 10:14 AM
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Wow, long day, glad to hear you got it done. Looks great.

Jeff
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URY914
post Feb 27 2012, 10:16 AM
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Nice work. Damn those are big.
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pcar916
post Feb 27 2012, 10:22 AM
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Lookin' way good!!!!!!

I have Carrera calipers too. A Wilwood conversion is a little more complicated since a 90 degree adapter isn't in the cards. Since I have a couple of those left over after replacing my fronts with differential billets, I think I'll stick with them... dangit. I already have the SC and Carrera rotors but figured the SC hats weighed a little less. I know... splitting hairs.

Nice work!
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stuttgart46
post Feb 27 2012, 11:42 AM
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Please post your feedback after your road test. I saw a few guys try Boxster S brakes on an early 911 ('69) HSR car. They had a problem with lock up under threashold braking. I've always thought the Boxster calipers would be great for a 6 conversion.
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