Are these calipers "spread"?
#2
Melting Slicks
Would you also put the pads and a caliper in there, have someone step on the brake and measure again to see if the caliper is spreading when you put pressure on them?
Last edited by Sox-Fan; 05-12-2015 at 10:25 AM. Reason: brake, not break.
#3
Le Mans Master
My opinion - its getting there. the 1/64" side is probably ready for replacement.
Good luck finding rebuilts that aren't already spread
Good luck finding rebuilts that aren't already spread
#6
Safety Car
Yep & C6 calipers fit and are sturdier
when mine spread it was similar to spreading a fork.
the bottom (Toward the hub) the hub was wider than the top (away from the hub) the the pads would wear quickly at the bridge area leaving more pad near the hub and bare backer plate near the bridge
when mine spread it was similar to spreading a fork.
the bottom (Toward the hub) the hub was wider than the top (away from the hub) the the pads would wear quickly at the bridge area leaving more pad near the hub and bare backer plate near the bridge
#8
Safety Car
Yeah, but you can't get them in red!!!
I should have mentioned that, I use C6 calipers as well. Brand new, pull from the box, through away the dust boots and go.
I actually heard that the Caddy XLR calipers were better, still, and a direct fit (same pad, etc) but I haven't tried.
I should have mentioned that, I use C6 calipers as well. Brand new, pull from the box, through away the dust boots and go.
I actually heard that the Caddy XLR calipers were better, still, and a direct fit (same pad, etc) but I haven't tried.
#11
Race Director
Thread Starter
Yep & C6 calipers fit and are sturdier
when mine spread it was similar to spreading a fork.
the bottom (Toward the hub) the hub was wider than the top (away from the hub) the the pads would wear quickly at the bridge area leaving more pad near the hub and bare backer plate near the bridge
when mine spread it was similar to spreading a fork.
the bottom (Toward the hub) the hub was wider than the top (away from the hub) the the pads would wear quickly at the bridge area leaving more pad near the hub and bare backer plate near the bridge
#13
Melting Slicks
I think it is these
https://www.rockauto.com/catalog/mor...id=512&jpid=19
114 a side at rock auto. Yes they are sliders
https://www.rockauto.com/catalog/mor...id=512&jpid=19
114 a side at rock auto. Yes they are sliders
#15
Race Director
Thread Starter
This looks then, to be a slight improvement (for strength of the caliper) with an "improved" design & maybe a bit more material over the c5z originals.
Maybe all I need (for now).
Just to be sure:
1) bolts direct onto c5z bracket - no spacers needed
2) uses 12.8" stock rotors
3) compatible with original master cylinder - no long pedal
4) takes original pad shape/size/thickness
5) uses original c5z brake lines (banjo)
6) anything else?
So it would seem GM put this out specifically to address the "spread" problem.
Yes/no?
#16
Yes on all the above, it's a direct bolt-on replacement for the C5 units.
It does seem that they did a good assessment of the C5 brake shortcomings, as the base model C6 rotors have a better hat profile as well to reduce cracking of the ring. These are a bolt-on replacement for the C5 rotors as well.
It does seem that they did a good assessment of the C5 brake shortcomings, as the base model C6 rotors have a better hat profile as well to reduce cracking of the ring. These are a bolt-on replacement for the C5 rotors as well.