Larger rear brakes
4/23/12, 08:32 PM
#22
4/23/12, 09:56 PM
#23
Shelby GT350 Member
Originally Posted by 908ssp
This is much more difficult than it seems. With a solid rear axle like the Mustang the C clip retainers for the axles allow the axles to float in and out about .015". This is not a problem with calipers that float on pins like the ones Ford uses. With independent rear suspension the axles are held stationary in the hubs and don't float in and out so you can fix four pot calipers to the hubs. If you mount the Brembo calipers to the axle housing of a SRA and the axles float it will push the pistons back, called slap back, and the pedal will have to travel a long distance to push the pistons back out to the surface of the rotors. This can be so bad as to have to pump up the brake before they start to work. A couple of people have tried it and reported on their failure. I was able to do it by floating the Brembo calipers.
4/25/12, 07:36 PM
#24
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This is much more difficult than it seems. With a solid rear axle like the Mustang the C clip retainers for the axles allow the axles to float in and out about .015". This is not a problem with calipers that float on pins like the ones Ford uses. With independent rear suspension the axles are held stationary in the hubs and don't float in and out so you can fix four pot calipers to the hubs. If you mount the Brembo calipers to the axle housing of a SRA and the axles float it will push the pistons back, called slap back, and the pedal will have to travel a long distance to push the pistons back out to the surface of the rotors. This can be so bad as to have to pump up the brake before they start to work. A couple of people have tried it and reported on their failure. I was able to do it by floating the Brembo calipers.
Hi 908ssp,
Can you please tell me more about this setup and if it's available for sale.
Rob
4/25/12, 09:39 PM
#26
Hi Rob it is all one off made by me and far too much work for me to duplicate. The system has worked flawlessly since I put it on but being brakes I couldn't take the risk selling it to someone. Baer announced at SEMA a system I believe is intended for our cars. It changes the way the axles are held in I believe allowing none floating calipers.
4/26/12, 06:46 AM
#27
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4/30/12, 11:12 AM
#28
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Hi Rob it is all one off made by me and far too much work for me to duplicate. The system has worked flawlessly since I put it on but being brakes I couldn't take the risk selling it to someone. Baer announced at SEMA a system I believe is intended for our cars. It changes the way the axles are held in I believe allowing none floating calipers.
Thanks for the reply, I quite understand what you are saying about the risks.
I did take your advise and found the Baer system and what they do is float the axles. It sounds expensive but I guess it's the only way to get rid of the end play that is inherent to the live axle design. They did state many other benefits with their design. Thanks again.
Regards,
Rob
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