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Old 05-13-2013, 10:17 AM
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Ken911
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Default 996 rotor question

Does anyone have experience replacing stock 996 calipers with cayman S calipers? If so will the stock 996 rotors still be usable ? I'm trying to fix a soft brake pedal without buying a new full brake kit. The car is 2002 C2, thanks Ken
Old 05-13-2013, 10:20 AM
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ivangene
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are the stock rotors too soft?

Im not sure you are barking up the right tree here
Old 05-13-2013, 10:24 AM
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Tbred911
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Try SS brake lines and changing your brake fluid. Also check out your master brake cylinder.

Ss brake lines give you great feel.
Old 05-13-2013, 10:27 AM
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ivangene
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SS lines are fine, but there is no reason stock lines in good shape would give anything other than a solid feel

dont go crazy - find the problem and fix THAT with good stock parts (unless you are tracking the hell out of it. in which case you would already have done most of these things - which is why I for one would prefer to buy a car that has been tracked over some street roller)
Old 05-13-2013, 10:45 AM
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Litesonic
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Due to the low post number, my guess is this maybe a case of not being used to the linear feel (v. overboosted) of Porsche brakes. However a join date of Mar 2005, makes me think maybe there is something amiss.

Flush would be the "cheapest fix" and would be part of any of the solutions as a whole.
Old 05-13-2013, 10:45 AM
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Ken911
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Originally Posted by ivangene
SS lines are fine, but there is no reason stock lines in good shape would give anything other than a solid feel

dont go crazy - find the problem and fix THAT with good stock parts (unless you are tracking the hell out of it. in which case you would already have done most of these things - which is why I for one would prefer to buy a car that has been tracked over some street roller)
Thanks guys, the lines and brake master cylinder are new, the car is tracked and the pedal is still mushy, I hope to replace the tired calipers with the cayman s ones if they fit and use my current rotors and mounts....
Old 05-13-2013, 10:48 AM
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Ken911
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Brakes are flushed properly with fresh full synthetic. One reponse from a very knowledgeable person is caliper flex due to age etc.
Old 05-13-2013, 11:00 AM
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fpb111
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Synthetic? Not Silicone. What type/brand of synthetic.
Old 05-13-2013, 11:08 AM
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ivangene
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this whole thing is a train wreck

caliper flex?
WTH - am running 25 year old calipers and they are fine

when ar ethe soft? (at track - street)
what pads
what fluid
how often do you bleed
how do you brake (freeway sissy style or with purpose)

I would stop messing around with thoughts of caliper and or rotor swapping for boxster or cayman or hypothalamus parts and fix what is wrong with your set up
Old 05-13-2013, 11:18 AM
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Barn996
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Or, his calipers may need to be rebuilt?
Old 05-13-2013, 11:25 AM
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ivangene
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I agree Steve - caliper rebuild or maybe the new MC was installed without a proper beeding of the whole system...ABS and clutch slave

but tossing used Cayman parts at the problem is not a good approach IMO
Old 05-13-2013, 11:25 AM
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LostSouth
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Not much can go wrong with a caliper that wouldn't be readily apparent. At the end of the day they are just plumbing. If they aren't leaking and you don't have a stuck piston, not much to go wrong. If they are leaking, replacing the inner seals isn't that difficult. I wouldn't go to the expense of replacing the calipers.
Old 05-13-2013, 12:20 PM
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Ken911
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Thanks for the collective opinions, I may try the caliper rebuild before the next event, cheers Ken
Old 05-13-2013, 01:54 PM
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Sneaky Pete
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Originally Posted by ivangene
I agree Steve - caliper rebuild or maybe the new MC was installed without a proper beeding of the whole system...ABS and clutch slave

but tossing used Cayman parts at the problem is not a good approach IMO
Bingo!
Old 05-13-2013, 03:34 PM
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Barn996
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What you mean by beeding Pete?


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