front cobra caliper question?

well I bought a left 94-98 caliper and bracket. for my conversion. I need a right one. I found an 04 one with the bracket. just wanted to make sure it will work.
 
Yeah they will probably just look different. I have 03 calipers in my Lincoln and they're different than my 97s.


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Slight variation I am told as the pistons increased in size by 2mm I believe but they do interchange.

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Earlier style calipers are 38 mm pistons while the later ones are 40mm. Do not mix piston sizes on the same car, make sure yours match each other.
 
Rara said:
Earlier style calipers are 38 mm pistons while the later ones are 40mm. Do not mix piston sizes on the same car, make sure yours match each other.
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Correct. They interchange bolt on wise is all.

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I believe the thread pitch for the banjo bolt may be different also.

IIRC the master cylinder diameter changed, which is why the calipers changed. But, either piston size will work OK with either master cylinder size, just make sure the piston sizes match on both calipers. Personally, I've always preferred the pedal feel of the smaller pistons on the larger master cyl. (2000 Cobra R brembo calipers were the equivalent of the 38mm pistons. They had staggered 36/40 pistons.)
 
Rara said:
I believe the thread pitch for the banjo bolt may be different also.

IIRC the master cylinder diameter changed, which is why the calipers changed. But, either piston size will work OK with either master cylinder size, just make sure the piston sizes match on both calipers. Personally, I've always preferred the pedal feel of the smaller pistons on the larger master cyl. (2000 Cobra R brembo calipers were the equivalent of the 38mm pistons. They had staggered 36/40 pistons.)
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Yeah - the banjo bolt was either a course or fine thread. It actually varied quite a few years for some reason... not quite sure why. Engineers never cease to amaze me.
 
Quick86 said:
Yeah - the banjo bolt was either a course or fine thread. It actually varied quite a few years for some reason... not quite sure why. Engineers never cease to amaze me.
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the assembly plant used the different thread pitches as an error proofing method to prevent mixing parts up.
As to seemingly crazy engineering decisions, keep in mind the engineers involved often have very different, and sometimes conflicting requirements when they put a design together. If you don't know what those requirements are, then it is very easy for the decisions made to look stupid. Granted, actual full on stupid decisions still happen, just not nearly as often as it would appear.
I speak from many years of experience in the automotive engineering world lol.
 
^ this....

im betting a mix up happened one time, and they had to do an internal corrective action and the different threads are how they went about their permanent corrective action.

its all about the ISO/TS16949 my friends. haha
 
Rara said:
the assembly plant used the different thread pitches as an error proofing method to prevent mixing parts up.
As to seemingly crazy engineering decisions, keep in mind the engineers involved often have very different, and sometimes conflicting requirements when they put a design together. If you don't know what those requirements are, then it is very easy for the decisions made to look stupid. Granted, actual full on stupid decisions still happen, just not nearly as often as it would appear.
I speak from many years of experience in the automotive engineering world lol.
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Yeah - I know. I work on the assembly side of it. I deal with error proofing every day. I have yet to see a thread change from course to fine or backwards as a part of error proofing. Then again, Ford does do some odd things with threads.... IE: 4 threads to secure the spark plugs in the cylinder heads of the SVT Lightnings that came to blow them out... :D At least they updated it to 9 threads for a good bite in the later years.
 
Also, lets add, 03/04 Mach 1 calipers are the same as the Cobras - but obviously do not say Cobra on them.
 
Cobra calipers are too small for mustang application. When pushed they fade. Only way to go is 4 pot brembo from Ford focus RS or Fiat 20v turbo. Thats what I have on my Mark VIII and they will put you thru the windshield. Get friendly with someone in the UK and source them there for dirt cheap. Good luck
 
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