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SN95 Cobra R brake upgrade

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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points

1972 Chevrolet Nova

PostPosted: Sat May 16, 2015 11:31 pm    Post subject: SN95 Cobra R brake upgrade Reply with quote

I've had most of the parts do do this brake upgrade for over a year and finally got everything on today. I put the front brakes / calipers on first and took it for a drive to see how they would do alone. The GT used a 10 3/4" rotor / single piston cast iron caliper. The Cobra R setup uses 13" rotors and a twin piston aluminum caliper. It was an easy install as its all factory stuff and bolted right on. Brake hoses are different but I was going to replace them anyway. On the test drive with fronts swapped only initial pedal feel was better during the break in. Once I got really aggressive I could tell there wasn't enough pressure from the master. On the pedal hard I couldn't even make the tires work - no noise from them at all and it was absolutely standing on the nose hard - lots of dive. Next I put the rears on which went from a 10 1/2" solid rotor to a just over 11 5/8" vented rotor but used the same caliper. I made a bracket to simply move the existing caliper bracket out. I also changed the master cylinder out. The GT uses a 1 1/16" master, the Cobra uses a 1" and the Cobra R a 15/16" which I used. With everything on its impressive. I haven't done any high speed stops yet but from 60 or so it really hunkers down hard and doesn't dive the front as bad. I was wondering if the smaller master would make them touchy but they're really easy to drive - not touchy at all but I can get it into ABS fairly easily if I want. All in all a great improvement for not a lot of money as brakes go. I'm guessing I've got around $500 in everything - front rotors, calipers, caliper brackets, hoses, rear rotors, master cylinder, and pads for both ends. Clay
I have done so much with so little for so long, I can now do anything with nothing.
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William Jones

Joined: 30 Jan 2006
Posts: 826
Location: Lake city, FL
28640.90 points

1971 Ford Mustang

PostPosted: Sun May 17, 2015 3:34 pm    Post subject: Reply with quote

That is a great upgrade for those cars really makes them stop good.


Take the horse out off the barn and let her RUN BABY RUN!!!!!

92 LX 454ci Clevor 9.24@142.53 N/A
71 Mach1 454ci Clevor 10.16@134 N/A 3850lbs race weight "Lost in fire"
03 Cobra Bone stock 12.42
68 Falcon 363ci 10.55@126 N/A
95 GT 363ci 11.08@118 N/A
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