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palle7688's Avatar
 
Join Date: Feb 2004
Location: Copenhagen, Denmark
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The ultimate brake upgrade page.

Since so many are asking about brake upgrades, I thought I'll post some of the previous threads that I've collected during my research. There must be others and I welcome you to post them here.
If you are one of the lucky guys that already have modified your car please post your input on how, what you have used and problems encountered. Pictures says more than a 1000 words.

Here some:
http://www.pelicanparts.com/MotorCity/wmv/ Bill Verburg's Pelican Web Site
944T calipers on my 911 944T calipers on my 911
930 rotors w/ big silver-fvd spacer needs washers? 930 rotors w/ big silver-fvd spacer
rear 944T brake install on my 76,question. rear 944T brake install on my
Question for the brake pro ! Question for the brake pro !
996+993+964+3.3T+944T brake spec. 996+993+964+3.3T+944T brake spec.
Brake hardware and what is this mecedes M/c that works with big brakes? Brake hardware and what is this mecedes M/c that works with big brakes?
996 monoblocks on SC 996 monoblocks on SC
Rear brakes? Rear brakes?
Thinking About Drilled Rotors? Thinking About Drilled Rotors?
RS92 brakes on SC RS92 brakes on SC
Late 930 Hubs on a 911 Late 930 Hubs on a 911
http://www.rennsportsystems.com/~porsche/1-sf.html Rennsport Systems
http://www.vehiclecraft.com/Brakes/930T_mod.htm VCI
http://www.instant-g.com/Products/BigRed/index.html instant-G
If you have comments to your old thread please post your comment in that thread so it's updated.
New inputs and links are welcome here.
Here some of the pics I like:
Bigred on 322*32 and turned hubs
'81-'89 930 304*32 rotor/hub vs 911 282*24
kit sold on ebay: 928S4 on 304*32 and 966TT on 330*28

Caliper machined and axial/radial adapter installed
Big red installed at rear
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Old 04-23-2004, 12:44 PM
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Cool, thanks for compiling so many sources.
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Old 04-23-2004, 12:54 PM
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I've long thought that the archieves should be organized some how. All it takes is someone w/ some energy. Keep going, there are a ton more.
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Bill Verburg
'76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone)
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Last edited by Bill Verburg; 04-23-2004 at 01:12 PM..
Old 04-23-2004, 01:04 PM
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Great job Palle!!!
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Old 04-23-2004, 01:10 PM
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A nice addition would be cooling ducts. Here are some.
Brake Cooling Hose Manifolds Brake Cooling Hose Manifolds
Project little reds Project little reds
Project little red, part deux Project little red, part deux
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Old 04-23-2004, 02:30 PM
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More brake upgrade:
930/944T brakes on SC/Carrera 930/944T brakes on SC/Carrera
http://vintagebus.com/howto/brakes/front/ Installation of 930 front brakes on a 911
http://vintagebus.com/howto/brakes/rear/ Installation of 930 rear brakes on a 911
944 turbo brake upgrade 944 turbo brake upgrade
930 calipers (used) - worth buying for an '86? how much? 930 calipers (used) - worth buying for an '86? how much?
Boxster Brake Upgrade for Carreras Boxster Brake Upgrade for Carreras
http://tech.rennlist.com/911/pdf/Upgrading_Porsche_Brakes.pdf
http://tech.rennlist.com/911/pdf/911brakecaliperoptions.PDF
930 brakes on Carrera??? 930 brakes on Carrera???
Good luck with reading all this
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Old 04-23-2004, 03:03 PM
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One of the better front setups
993RS/993tt


one of the better rear setups
993RS/993tt


Next step down
993


Next step down
964/944



Next step down 930

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Bill Verburg
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Old 04-23-2004, 03:38 PM
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BIG step up:

15" rotor w/ 8 piston (radial mount) caliper.

Last edited by Eric Coffey; 04-23-2004 at 03:56 PM..
Old 04-23-2004, 03:52 PM
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Yes it is! But as far as I know unavailable for 911 use
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Bill Verburg
'76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone)
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Old 04-23-2004, 04:06 PM
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Its true that the 15" (380MM) brakes are not available for 911's, but a 355mm front brake kit is available for '80-'89 Turbos,....

These use a larger piston version of the Big Red caliper and it matches well with the 993 Carrera RS rear caliper.
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Old 04-23-2004, 04:19 PM
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Is that the EVO kit w/ the genaric Brembo 40/44?
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Old 04-23-2004, 04:24 PM
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How about some notes on brake pedal feel with some of these updates.

My nephew recently did the Big Red update on his 993 and the pedal feel in use doesn't come close to the stock feel. It brakes great(did fine stock also!) just doesn't have a reassuring feel to it. I hear this is a common complaint from 993's with Reds.
Old 04-24-2004, 12:26 PM
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89turbocabmike, check those threads and you will probably find the answer.
What master cylinder are you/your nephew using?
With those calipers with big pistons displacing more fluid you will want 23 mm m/c.
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Old 04-24-2004, 12:41 PM
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Quote:
My nephew recently did the Big Red update on his 993 and the pedal feel in use doesn't come close to the stock feel. It brakes great(did fine stock also!) just doesn't have a reassuring feel to it. I hear this is a common complaint from 993's with Reds.
Hydraulicly the Big Red front cliper is identical to the stock 993 caliper. There will be no change in pedal feel due to the caliper change.

At the back the stock 993 has the biggest generally available pistons at 30/34 only the 993RS are bigger at 30/36. So unless the change included 993RS rears the pedal can only get higher and firmer w/ a change there.

The cars that have an issue w/ pedal feel are the 964s. When upgrading their calipers a 993 m/c should be used.
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Old 04-24-2004, 02:34 PM
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89turbocabmike, I just reread your post, didn't realize it was a upgrade on a 993.
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Old 04-25-2004, 11:41 AM
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Thanks Bill and Palle, I'll mention this to my nephew. A few 993 Rennlisters we drive with complained of the same pedal feel, perhaps this is a brake bleed problem? One in particular is a C4s which I understand are more difficult to bleed.
Old 04-25-2004, 01:43 PM
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Thought I'd add some links;

How To Calculate Brake Bias

Boxster Front Caliper Upgrade 1

Boxster Front Caliper Upgrade 2
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Old 05-05-2004, 09:00 AM
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Thanks Glasgow, good threads.
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Old 05-06-2004, 03:07 AM
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My 83sc, ex GT2 disks and calipers........
380 x 32 fronts
322 x 28 rears
custom pedal box with 2x 0.625" m/c for adjustable bias




Braking is err.... ample!
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Old 05-06-2004, 12:21 PM
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jph83
Is your car up & running? Been looking forward to seeing the finished article since the 1st pics you posted here.
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Old 05-06-2004, 05:13 PM
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