04-10-2014, 09:13 AM
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#1
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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Caliper rebuilding question
I'm rebuilding my new s calipers and one of the pistons has it's coating chipped off. Should I find a replacement piston or just use it? 
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996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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04-10-2014, 02:54 PM
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#2
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Registered User
Join Date: May 2011
Location: Miami florida
Posts: 1,591
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If it were me, I would use it. You may want to clean it up, and the bores also if they are rusted or pitted, with 1000 grit wet paper lubricated with brake fluid.
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Current car
2000 Boxster 2.7l red/black
Previous cars
1973 Opel Manta
1969(?) Fiat 850 Convertible
1979 Lancia Beta Coupe
1981 Alfa Romeo GTV 6
1985 Alfa Romeo Graduate
1985 Porsche 944
1989 Porsche 944
1981 Triumph TR7
1989 (?) Alfa Romeo Milano
1993 Saab 9000
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04-10-2014, 03:10 PM
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#3
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Theoretical propagandist
Join Date: Dec 2011
Location: Pacific Northwest
Posts: 793
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You should be good with that as San said, cleaning up should do wonders. I would have no problem running something like that.
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When life throws you curves, aim for the apex...
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04-10-2014, 06:18 PM
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#4
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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Thanks guys.
__________________
996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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04-11-2014, 11:07 AM
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#5
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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New stoptec piston ordered.
__________________
996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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04-11-2014, 12:32 PM
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#6
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Registered User
Join Date: Sep 2013
Location: Montreal, QC. (currently expat to Shanghai)
Posts: 3,249
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Jaay - are these coming out of a brembo caliper or aftermarket?
Believe it or not but for performance (motorcycle) racing we only use phenolic made pistons (yes, plastic). Cuts the heat (cooler fluid) by more than half. If you track your car and the type of guy gaining those mil/secs with hard braking techniques... you might want to have a look in those. Although they are not popular within the 'general' population... phenolic pistons is what is being used on each and every MOTOGP prototypes. Heard once or more this is also what they fit F1s but I've never really bothered to confirm this.
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'97 Boxster base model 2.5L, Guards Red/Tan leather, with a new but old Alpine am/fm radio.
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04-11-2014, 06:58 PM
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#7
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Registered User
Join Date: Dec 2006
Location: shoreham, ny
Posts: 1,619
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Thanks for the info. I am going to look into them. I already ordered a metal piston. I don't track my car nor drive the brakes too hard. I just needed to get them working again. I am upgrading from my stock 99 brakes to the S brakes. There is really no reason why I am doing the upgrade except that I always wanted to. 
__________________
996 3.4 engine with 2.7 986 5speed transmission
Ebay Headers, Fabspeed high flow cats, JIC Cross, IPD Plenum, H&R Coilovers, B&M Short Shifter, AEM Uego Gauge Type Analog, Apexi S-AFC Select, 987 air box, Litronics, 2000 Tails and side markers, painted center console, 18" 987 S-Wheels, GT3 Front bumper with splitter.
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