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GS Calipers Any Different?

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Old Apr 3, 2012 | 02:54 AM
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Default GS Calipers Any Different?

Are the GS front calipers any different from the calipers on a '88 C4 with the Z51/13' front rotors? I see they look different but was wondering if theyre any better of fit differently.
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Old Apr 3, 2012 | 05:06 AM
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Originally Posted by armybyrd
was wondering if theyre any better or fit differently.
No

http://www.corvetteactioncenter.com/...duction+Brakes
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Old Apr 3, 2012 | 07:49 AM
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I hate to argue with the Internet, but the GS calipers are thicker than the J55 calipers and resist spreading better. I have both sets on the bench and measured them. When retro fit into other vehicles, the J55 will clear a 16" rim, while the thicker GS caliper will not.
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Old Apr 3, 2012 | 08:05 AM
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whats spreading?
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Old Apr 3, 2012 | 08:26 AM
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Originally Posted by armybyrd
whats spreading?
As the pads are forced onto the hubs, there's a tendency to push back and try to spread open the caliper under hard/heavy braking. The thicker bridge of th GS caliper has more resistance to this spreading.
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Old Apr 3, 2012 | 12:01 PM
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Originally Posted by 85MikeTPI
As the pads are forced onto the hubs, there's a tendency to push back and try to spread open the caliper under hard/heavy braking. The thicker bridge of th GS caliper has more resistance to this spreading.
Yes, but in the real world, who would ever know? If it's that big an issue it's time for a C5 brake upgrade or something better than that.

Of course the nice thing about the GS calipers is the CORVETTE lettering on them
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Old Apr 3, 2012 | 01:32 PM
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Originally Posted by mcm95403
Yes, but in the real world, who would ever know? If it's that big an issue it's time for a C5 brake upgrade or something better than that.

Of course the nice thing about the GS calipers is the CORVETTE lettering on them
Sorry, I forgot what forum I was on...

Yes, they are reallll purdy and shiny....
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