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Big Brake Upgrade for Firebird?
#22
Launching!
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Join Date: Sep 2008
Location: back to Jax :(
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3400lb car
stock 12" Autozone blanks
C5 calipers
Carbotech XP10/Xp8 pads
No cooling ducts
Castrol SRF fluid
http://www.youtube.com/watch?v=NE-ILKGNH7k
Big brakes not needed.
stock 12" Autozone blanks
C5 calipers
Carbotech XP10/Xp8 pads
No cooling ducts
Castrol SRF fluid
http://www.youtube.com/watch?v=NE-ILKGNH7k
Big brakes not needed.
![Thumb](https://ls1tech.com/forums/images/smilies2/thumb.gif)
#23
12 Second Club
iTrader: (3)
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
3400lb car
stock 12" Autozone blanks
C5 calipers
Carbotech XP10/Xp8 pads
No cooling ducts
Castrol SRF fluid
http://www.youtube.com/watch?v=NE-ILKGNH7k
Big brakes not needed.
stock 12" Autozone blanks
C5 calipers
Carbotech XP10/Xp8 pads
No cooling ducts
Castrol SRF fluid
http://www.youtube.com/watch?v=NE-ILKGNH7k
Big brakes not needed.
#24
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
The only reason you should need fixed pot calipers is for racing which involves repeated stopping from high speeds. Other than that, a quality aluminum 2 piston caliper is more than sufficient, especially for the street.
Here's a good example:
2010 Mustang vs 2010 Genesis Coupe
The new Hyundai Genesis has 4 piston brembo calipers with large rotors up front. The Mustang has conventional 2 piston aluminum PBR calipers (same type as F-body/Vette) and yet the Mustang still stops from 60-0 faster, despite the fact that it weighs more than the Hyundai. The Mustang pulls 108ft from 60-0 with smaller rotors than a C5 Corvette uses. So if you outfit your F-body with C5/C6 rotors (12.8 or 13.4"), Pressure cast Corvette PBR calipers, Hawk HPS pads, and stainless steel brake hoses, I don't see how you could really need much more stopping power.
If you're still insistant on having fixed calipers, just get a set of GM factory Cadillac CTS-V 4 Piston brembos with 14" rotors. Supposedly its a direct bolt on to LS1 spindles, as long as you have the proper wheel clearance (18" or larger). That will give you the performance of the aftermarket kits, but for a fraction of the price.
Here's a good example:
2010 Mustang vs 2010 Genesis Coupe
The new Hyundai Genesis has 4 piston brembo calipers with large rotors up front. The Mustang has conventional 2 piston aluminum PBR calipers (same type as F-body/Vette) and yet the Mustang still stops from 60-0 faster, despite the fact that it weighs more than the Hyundai. The Mustang pulls 108ft from 60-0 with smaller rotors than a C5 Corvette uses. So if you outfit your F-body with C5/C6 rotors (12.8 or 13.4"), Pressure cast Corvette PBR calipers, Hawk HPS pads, and stainless steel brake hoses, I don't see how you could really need much more stopping power.
If you're still insistant on having fixed calipers, just get a set of GM factory Cadillac CTS-V 4 Piston brembos with 14" rotors. Supposedly its a direct bolt on to LS1 spindles, as long as you have the proper wheel clearance (18" or larger). That will give you the performance of the aftermarket kits, but for a fraction of the price.
#25
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The problem with comparing 60-0 stop times is that you're looking at ONE instance of brake performance. Sure the smaller rotor 2-piston brakes might stop the car faster cold, but with repeated braking and high heat from a racing situation, the larger fixed pot brakes will almost always out perform. They have a larger area, better heat dissipation, and more even clamping pressure. It all depends on the application. Apples to oranges so to say.
#26
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
The problem with comparing 60-0 stop times is that you're looking at ONE instance of brake performance. Sure the smaller rotor 2-piston brakes might stop the car faster cold, but with repeated braking and high heat from a racing situation, the larger fixed pot brakes will almost always out perform. They have a larger area, better heat dissipation, and more even clamping pressure. It all depends on the application. Apples to oranges so to say.
"The only reason you should need fixed pot calipers is for racing which involves repeated stopping from high speeds. Other than that, a quality aluminum 2 piston caliper is more than sufficient, especially for the street"
And even on a road course M/T reported that the new Mustang GT with the track pack didn't experience any noticeable fade.
Of course for all out track duty or competition, there is no substitute for performance fixed calipers with large diameter rotors.
#27
#31
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Best of luck, can't wait to see the pics!!