Brake master cylinder for '76 track 911
04-30-2006, 06:15 PM
#1
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Brake master cylinder for '76 track 911
I am building a '76 track car and I am ready to start the brake system. I have front calipers from a 964 and rear calipers from a '86 carrera. Does anyone have any suggestions for a master cylinder set-up? Also what size rotors would work?
04-30-2006, 06:34 PM
#2
RL Technical Advisor
Hi:
You can use either a Carrera MC (20mm) or a 930 one (23mm) for a higher, harder pedal.
Your caliper choices severely limit rotor options,........All you can really use are the Carrera (280x24mm) ones.
I do hope you're planning on an effective brake cooling since these setups are far from being bulletproof for track use.
You can use either a Carrera MC (20mm) or a 930 one (23mm) for a higher, harder pedal.
Your caliper choices severely limit rotor options,........All you can really use are the Carrera (280x24mm) ones.
I do hope you're planning on an effective brake cooling since these setups are far from being bulletproof for track use.
05-01-2006, 10:17 PM
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Trunk Mount
Thanks. I'm assuming that with this set-up the ms will have to be moved to the trunk. If so, do I need to use a brake booster? I don't mind hard brakes as long as there is some feedback.
05-02-2006, 02:50 AM
#4
RL Technical Advisor
If your car has unboosted brakes, you must use the special 23mm Mercedes MC that fits under the car in place of the stock 19mm one.
If your car has boosted brakes, all you so is replace the stock MC with 930 one.
If your car has boosted brakes, all you so is replace the stock MC with 930 one.
05-02-2006, 08:09 AM
#5
Burning Brakes
Steve, out of curiosity, would he need a porportioning valve with that setup?
Keith
'88 CE coupe (with awesome 930 brakes courtesy of Rennsport )
ps: I really like the feel the 23mm MC provides...
Keith
'88 CE coupe (with awesome 930 brakes courtesy of Rennsport
)ps: I really like the feel the 23mm MC provides...
05-02-2006, 12:34 PM
#6
RL Technical Advisor
Hi Keith:
No proportioning valve is needed unless an individual prefers more rear brake bias,.......its a personal preference issue,....
That said, I would not use such a setup on any track car due to insufficient thermal dissipation capacity of those rotors.
No proportioning valve is needed unless an individual prefers more rear brake bias,.......its a personal preference issue,....
That said, I would not use such a setup on any track car due to insufficient thermal dissipation capacity of those rotors.
05-02-2006, 01:36 PM
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Mecedes MC
Steve, do you know where I can get a Mercedes 23mm MC and how much should I expect to pay? Without paying a fortune, what would be a better caliper/disc combination to stay away from the heat problems?
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05-03-2006, 03:07 AM
#8
RL Technical Advisor
Originally Posted by az9oneone
Steve, do you know where I can get a Mercedes 23mm MC and how much should I expect to pay? Without paying a fortune, what would be a better caliper/disc combination to stay away from the heat problems?
You can contact me directly for pricing (and brake advice).