Brenbo GTP Brake System VS 1988 911 Coupe Stock with Stinaless braided lines upgrade?
11-29-2009, 09:10 PM
#1
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Brenbo GTP Brake System VS 1988 911 Coupe Stock with Stinaless braided lines upgrade?
Hello, I own a fanatically maintained near mint 1988 911 Coupe with 120K miles.
I've just been told that I must replace my pads and rotors. I am a "aggressive" city/highway "braker" and do only 20% of my total driving at the track with the Porsche club.
I am unsure if should go with original Porsche rotors and pads and upgrade to stainless steel braided lines, or if I should upgrade to the complete Brembo GTP system.
I would like better brake feel & no brake squeal. Would you consider this costly upgrade to be advantageous for a primarily city/highway driver? Thanks, Greg
I've just been told that I must replace my pads and rotors. I am a "aggressive" city/highway "braker" and do only 20% of my total driving at the track with the Porsche club.
I am unsure if should go with original Porsche rotors and pads and upgrade to stainless steel braided lines, or if I should upgrade to the complete Brembo GTP system.
I would like better brake feel & no brake squeal. Would you consider this costly upgrade to be advantageous for a primarily city/highway driver? Thanks, Greg
11-29-2009, 09:24 PM
#2
RL Technical Advisor
Greg,
Generally speaking, one usually doesn't need bigger brakes for street use: good pads, rotors that are in perfect condition, SS brake lines and a proper fluid do the job in most situations.
Big brakes such as 930 or Brembo GTP's are really needed for track use, especially when using a DOT-R type tire. GTP brakes require 17" wheels or bigger so thats a consideration, as well.
I'd need a LOT more information about you, how you drive, what tracks you run and what tires you will use before offering any specific suggestions but I would not make a hasty decision.
Generally speaking, one usually doesn't need bigger brakes for street use: good pads, rotors that are in perfect condition, SS brake lines and a proper fluid do the job in most situations.
Big brakes such as 930 or Brembo GTP's are really needed for track use, especially when using a DOT-R type tire. GTP brakes require 17" wheels or bigger so thats a consideration, as well.
I'd need a LOT more information about you, how you drive, what tracks you run and what tires you will use before offering any specific suggestions but I would not make a hasty decision.
11-29-2009, 10:12 PM
#3
Drifting
As Steve says - lots of factors - include in that modifications, wheels and tires[composition as well as size ], track. If you haven't experienced loss of brakes at the track, then I would venture to guess that new rotors, new pads (and separate track pads)
11-30-2009, 01:18 PM
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Thanks to both of you for your reply.
OK, I'll forget the Big Red's and will upgrade my brake lines with DOT approved Stainless Steel brake lines.
As many cars race on stock, would I see any benefit with porsche stock pads in combination wtih Zimmermann Drilled Brake Rotors instad of sticking with the stock rotors?
I ask this question as Steve indicates that I can always change pads to a more aggressive pad for track use only, and then after the track I could take them out again and put in street pads.
As I can't change the rotos for track days, should I still use Porsche stock rotors?
Much thanks, Greg
OK, I'll forget the Big Red's and will upgrade my brake lines with DOT approved Stainless Steel brake lines.
As many cars race on stock, would I see any benefit with porsche stock pads in combination wtih Zimmermann Drilled Brake Rotors instad of sticking with the stock rotors?
I ask this question as Steve indicates that I can always change pads to a more aggressive pad for track use only, and then after the track I could take them out again and put in street pads.
As I can't change the rotos for track days, should I still use Porsche stock rotors?
Much thanks, Greg
11-30-2009, 09:37 PM
#5
Race Car
I have seen Frozen (stock) rotors last a season of DE use with SS lines and Carbon Metalic pads. Make sure your calipers and hydrolics are in top condition and you will never have a problem.
The "squeel" is normal and should be considered the "red badge of courage"
The "squeel" is normal and should be considered the "red badge of courage"
11-30-2009, 10:02 PM
#6
Rennlist Member
I have stock rotors and pads with stainless steel lines and have never felt lacking for stopping power on the street...never had a squeal in the 40k miles that I've owned it. The 928 on the other hand squealed all the time!
11-30-2009, 10:04 PM
#7
Team Owner
Greg we have tonnes of guys in TO that track our cars .. you can always come out one saturday and talk to the guys like Eschell and Greg who track reularly. Make sure you say hello on theCanadian forum too .. gees these Canadiran guys are coming out of the woodwork tese days ..
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11-30-2009, 10:12 PM
#8
Drifting
The drilled are prone to cracking around the holes - For a stock carrera I would just get stock rotors.
Where I would get aggressive is with the pads if I was tracking the car
Where I would get aggressive is with the pads if I was tracking the car
12-01-2009, 04:29 AM
#9
RL Technical Advisor
As many cars race on stock, would I see any benefit with porsche stock pads in combination wtih Zimmermann Drilled Brake Rotors instad of sticking with the stock rotors?
I ask this question as Steve indicates that I can always change pads to a more aggressive pad for track use only, and then after the track I could take them out again and put in street pads.
As I can't change the rotos for track days, should I still use Porsche stock rotors?
Much thanks, Greg
I ask this question as Steve indicates that I can always change pads to a more aggressive pad for track use only, and then after the track I could take them out again and put in street pads.
As I can't change the rotos for track days, should I still use Porsche stock rotors?
Much thanks, Greg
I'd use street pads for that type of use and swap a good race pad (Pagid Orange) for when you do track events.
12-01-2009, 10:11 PM
#11
RL Technical Advisor
The ATE Power Discs have been very successful for us and thats why I recommend and sell them.
12-08-2009, 11:03 AM
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Thanks to everyone. I will: Instal SS lines and original pads and rotors and will upgrad the pads for track day. I will also purchase track day tires. Cheers, Greg
