switching from 12" to 11.28" rotors.... - Ranger-Forums - The Ultimate Ford Ranger Resource


Suspension Tech General discussion of suspension for the Ford Ranger.

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Old 02-28-2007
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switching from 12" to 11.28" rotors....

I just went and had new brakes put on all around. While there I figured WTF, I've got the 11.28" rotors from DBR, let's get a headstart on getting this damn RCD kit install going. NOPE! I thought wrong. The rotors fit, but apparently I need a different caliber bracket? Anyone want to clue me in on this? I was under the impression that all I simply had to do was switch out the rotors. I guess I could only hope it to be so simple?

EDIT: hahaha caliber bracket, how about CALIPER. God I'm a noob sometimes.

Last edited by Lefty04LevelII; 02-28-2007 at 08:46 PM.
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Old 02-28-2007
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y did it downsize in the first place? i had tiny *** rotor's on my truck before and like a 1/2in of the pad was OFF the rotor.. it sucked.. plus no rear brakes n runnin 35's.. just imagine how much fun i had stopping :)
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Old 02-28-2007
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Quote:
Originally Posted by red_fx2
y did it downsize in the first place? i had tiny *** rotor's on my truck before and like a 1/2in of the pad was OFF the rotor.. it sucked.. plus no rear brakes n runnin 35's.. just imagine how much fun i had stopping :)
In Mid-MY 2003 Ford switched from the 11.28" rotor to the 12" rotors. The RCD kit utilizes the 11.28" rotor size. Since I'm an 04 I have 12" rotors, and thus needed to downsize to the 11.28" rotors.
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  #4  
Old 02-28-2007
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just put the 11.28" on like norm when you install the RCD.. you wont have any probs at all
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Old 02-28-2007
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the difference is in the spindle not the caliper bracket. the RCD spindle locates the caliper to fit the 11.28" rotors.
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Old 02-28-2007
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Quote:
Originally Posted by gumby
the difference is in the spindle not the caliper bracket. the RCD spindle locates the caliper to fit the 11.28" rotors.



was going to say the same thing.
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Old 02-28-2007
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i more or less did ..lol
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Old 02-28-2007
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Quote:
Originally Posted by gumby
the difference is in the spindle not the caliper bracket. the RCD spindle locates the caliper to fit the 11.28" rotors.


hey gumby, being as you just did it,


is there enough meat on that spindle to fill in the caliper bracket holes and redrill them to fit with a 12inch rotor?



jsut wondering (not like i own a 4x4) but i know superlift has 2 sets of holes for the rotor size
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Old 02-28-2007
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yeah but would it be worth the hassle?
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Old 02-28-2007
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i jus put it together to ge4t it on the truck this go round. didnt have enough time to check stuff like that, or play with checkin and re-engineering things yet...
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Old 02-28-2007
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ok, now that I'm back from dropping my truck off. FWIW, the taurus isn't a bad car. First time I've driven one (dealership an hour away gave it to me while they work on the truck)....

anyhow, the gentleman at Brake Masters (I need to stop living in an apartment so I can have a garage to keep tools and do my own work) said something about the caliper bracket being slightly too large for the 11.28" rotors and the brake pads would not wear properly. When the guy told me this he took me out and showed me where the brake pad was sitting in relation to the rotor. The thing that gets me is if I understand previous posts I've read, the caliper and caliper bracket are no different from early 2003 when it was on the 11.28" rotors, versus when Ford switched over to the 12" rotors in mid-03. Given the responses here so far, I'm assuming that I'd be safe in jacking the truck up, pulling those 12" rotors back off, and swapping the 11.28 inchers back in.
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Old 02-28-2007
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caliper and brackets are the same.
do NOT run a 11.28" rotor on a spindle set up for 12 inchers. ive seen it and it aint pretty.
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Old 02-28-2007
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hmmm, well in that case guess it's back to waiting to install the RCD.

I also seem to have a bone to pick with Brake Masters. Aparently the guy didn't understand that I wanted the MKD-833 titaniuMetallic II Bendix pads and gave me the MRD-833 semi metallic pads. I'm also showing they put the BDXR704 rear shoes on. Bendix's website is showing that rear shoe is for 9 inch drums! I could be wrong, but doesn't this 31-spline rear axle of mine have 10" drums?

Of course they also botched the receipt and are showing me having 88,485 miles! I'm at 47K though. I think I'll be making a visit during my lunch break tomorrow. G****MN IT why can't I get some real F***ING service in this town?!
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  #14  
Old 03-02-2007
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anyone........????
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Old 03-02-2007
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I'm waiting for RCD to retrofit the kit for 2004 and newer
brakes suck as it is and having bigger tires and less stopping power makes no sense to me
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  #16  
Old 03-02-2007
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Quote:
Originally Posted by LILBLUE04FX4L2
I'm waiting for RCD to retrofit the kit for 2004 and newer
brakes suck as it is and having bigger tires and less stopping power makes no sense to me
that's been a partial to my install delay. I've been hearing the rumors of them adjusting for the 04+.

Hey, since I don't have immediate access to my truck, what are our rear drums, 9 inch or 10 inch? Haynes Manual nor the Ford Manual don't say crap about the rear shoe size.
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  #17  
Old 03-02-2007
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i never had probs stopping withe small rotors and 37s... should be 10" drums
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Old 03-02-2007
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Quote:
Originally Posted by Lefty04LevelII
Hey, since I don't have immediate access to my truck, what are our rear drums, 9 inch or 10 inch?
It depends on the model and options. For example, in 2003, the base 4x2 drums are 9". Adding any one or more of these options got you 10":

4x4
Edge
Supercab
Payload Package #2

Since your LII is a 4x4 S/C, it definitely has 10" drums.
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  #19  
Old 03-02-2007
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People freak out about swapping brakes and stuff, but when you have the parts in front of you it's really quite simple. Just keep your 12" rotors on until you are ready to install the RCD.

Or send it over to me and I'll make sure it works for ya.
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  #20  
Old 03-03-2007
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Quote:
Originally Posted by Gearhead61
Or send it over to me and I'll make sure it works for ya.
How about I drive over once I get Scott D's 4.88 geared front diff and rear gears and well install it? I actually have a reason to go to College Station now aside from potentially giving you and Christian a herd time. My former boss is getting her Ph.D out in the biology dept at TX A&M.

Bob...thanks yet again. I had a feeling, logically speaking, that I'd have the 10" drums. I'm going to see if I can't take a break tomorrow from work and make sure the invoice I have is incorrect regarding the parts they used.
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