Viggen vs 9-3 brake master cylinder. - The Saab Link Forums

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Old 04-27-2006, 12:43 PM   #1
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Viggen vs 9-3 brake master cylinder.

http://www.thesaabsite.com/93/93Brakes.htm

Anybody know why the Viggen master cylinder wich is supposed to be better, would cost alot less than a standard 9-3 master cylinder.

Also, the fluid resevoirs seem to be the same for Viggen or standard 9-3. True?
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Old 04-27-2006, 12:55 PM   #2
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Old 04-27-2006, 01:14 PM   #3
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Ok, now I have to ask the really dumb question: why would they use a different brake master cylinder?
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Old 04-27-2006, 01:17 PM   #4
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Bigger brakes.
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Old 04-27-2006, 01:20 PM   #5
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check EPC.
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Old 04-27-2006, 01:26 PM   #6
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Quote:
Originally Posted by Tweek's Turbos
Bigger brakes.

That's what I assumed, but I wasn't sure. Thanks
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Old 04-27-2006, 01:36 PM   #7
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Quote:
Originally Posted by escalator guru
That's what I assumed, but I wasn't sure. Thanks
its good to ask.. others are mostlikely wondering the same thing!

now will it be overkill on a non viggen brake set up?
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Old 04-28-2006, 06:20 AM   #8
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The calipers are the same sized, its just the rotor is bigger. So nobody knows?

My epc isn't loaded, I'm trying to buy a new comp.
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Old 04-28-2006, 08:02 AM   #9
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I don't have a clue why the price is that much lower, but the Viggen uses the master cylinder, reservoir and other associated hardware from a 9-5. The idea obviously was to adapt it for bigger brakes. The brake fluid capacity on the Viggen is also higher than on regular 9-3s (in the whereabouts of 900 ml vs 600 ml).

I also remember Nick saying that the stock NG900/9-3 master provides better stopping. Maybe it's out of context, so you better take it to him.
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Old 06-04-2008, 05:39 PM   #10
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so whats the total fluid capacity of my viggen brake system? its not listed in the manual.
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Old 06-04-2008, 07:12 PM   #11
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I asked this a while ago and Nick talked about it. You can't use the viggen mastercylinder on the standard 9-3.

Dimtry your right about what you just said with the standard ng900 and og9-3's capable of higher brake pressure. Nick said that the larger bore of the viggen master cylinder reduces the benefit of the stronger accumulator from the 9-5. I'll see if I can find the thread.



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Old 06-04-2008, 07:15 PM   #12
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Found the thread. Here is the link.

https://saablink.net/forum/showthread...aster+cylinder



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Old 06-05-2008, 05:33 AM   #13
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Vig uses RHD 9-5 master.. Has a special block to turn the reservoir to clear the delivery pipe. Also uses the 9-5 brake booster with 2 stages. Since the caliper pistons are the same there is no real reason to do this other than getting more assist and making it a bit easier to modulate. I personally like the feeling of the 9-3 brakes, the 9-5 booster is so flexy that no matter what you cant get a solid pedal.. I am comparing this to my V4 with non boosted brakes. The pedal is rigid in that old car.
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2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85
Viggen 439whp / 447tq 12.43 @114 on Gt2871.64, (Now 511whp Gt3076)
Nordic E85 9-3 SS Aero 320hp / 350ftlbs
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Old 06-05-2008, 05:53 AM   #14
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Quote:
Originally Posted by GenuineSaab View Post
Vig uses RHD 9-5 master.. Has a special block to turn the reservoir to clear the delivery pipe. Also uses the 9-5 brake booster with 2 stages. Since the caliper pistons are the same there is no real reason to do this other than getting more assist and making it a bit easier to modulate. I personally like the feeling of the 9-3 brakes, the 9-5 booster is so flexy that no matter what you cant get a solid pedal.. I am comparing this to my V4 with non boosted brakes. The pedal is rigid in that old car.
This is pretty critical information. I know when my brake servo went out on my Viggen I was facing a huge price for a new one. I ended up getting one from a wrecker, but I believe the list price for Viggen servos are way more than 9-5 or 9-3 ones.
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Old 06-05-2008, 05:56 AM   #15
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Quote:
Originally Posted by GenuineSaab View Post
I personally like the feeling of the 9-3 brakes, the 9-5 booster is so flexy that no matter what you cant get a solid pedal.. I am comparing this to my V4 with non boosted brakes. The pedal is rigid in that old car.
I don't have your fancy big brake kit up front but I have a good setup over all. My biggest let down is the lack of a firm pedal. The brakes have been bled correctly over the years I have owned it. I was told the pedal is as good as any other Viggen's. If thats the case, thats dissapointing. The bite is certainly there, especially with a true performance tire like the Azenis 615.
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Old 06-06-2008, 10:04 AM   #16
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Yes, having the full package brakes done finally, I don't think the feel, and effect can be improved any more (cost effectively).
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