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  #1  
Old 07-23-2012, 02:59 PM
Shakedown Shakedown is offline
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Default Rotor size confusion on FX4

I have been looking at getting drilled and slotted rotors for the ranger lately but, I'm running into some problems. All the places I check give a 12 inch diameter on the slotted rotors, however according to Ford's website the FX4 uses 11.28 inch diameter rotors. So how can any of these fit?

Am I crazy or just looking at this incorrectly?
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2004 FX4 4.0L SOHC 5 speed manual. Mod list: Throttle cable, blinker, headlight, torsion bar (1.5"), intake mod, Pioneer DEH 9400, RF 10" shallow punch DVC 300 watt rms, retrofit bixenon projectors, red painted calipers and drums, red painted tow hooks, bull bar, 2" shackle lift.
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  #2  
Old 07-23-2012, 06:13 PM
32vsnake 32vsnake is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by Shakedown View Post
I have been looking at getting drilled and slotted rotors for the ranger lately but, I'm running into some problems. All the places I check give a 12 inch diameter on the slotted rotors, however according to Ford's website the FX4 uses 11.28 inch diameter rotors. So how can any of these fit?

Am I crazy or just looking at this incorrectly?
My EBC sport rotors listed out as 12" and they fit my truck with room to spare...I do have an 08 with 16" rims though
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  #3  
Old 07-23-2012, 07:51 PM
02RangerFX4 02RangerFX4 is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by 32vsnake View Post
My EBC sport rotors listed out as 12" and they fit my truck with room to spare...I do have an 08 with 16" rims though
His should fit then, the biggest rims that came with rangers are 16's i believe, the smallest is 15...
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #4  
Old 07-23-2012, 07:58 PM
More_Cowbell More_Cowbell is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by 02RangerFX4 View Post
His should fit then, the biggest rims that came with rangers are 16's i believe, the smallest is 15...
my old 14 inch rims beg to differ
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  #5  
Old 07-23-2012, 08:07 PM
02RangerFX4 02RangerFX4 is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by More_Cowbell View Post
my old 14 inch rims beg to differ
I was thinking 01+

Sorry.
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #6  
Old 07-23-2012, 08:20 PM
rwenzing rwenzing is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by Shakedown View Post
I have been looking at getting drilled and slotted rotors for the ranger lately but, I'm running into some problems. All the places I check give a 12 inch diameter on the slotted rotors, however according to Ford's website the FX4 uses 11.28 inch diameter rotors. So how can any of these fit?

Am I crazy or just looking at this incorrectly?
Ranger 4x4's made the midyear change from 11.28" to 12" during the 2003 model year. Your 2004 FX4 definitely came from the factory with 12" rotors.
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  #7  
Old 07-23-2012, 08:21 PM
02RangerFX4 02RangerFX4 is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by rwenzing View Post
Ranger 4x4's made the midyear change from 11.28" to 12" during the 2003 model year. Your 2004 FX4 definitely came from the factory with 12" rotors.
This might be a dumb question, but 2002 alcoas can fit the 12 inch rotors, right?
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #8  
Old 07-23-2012, 08:41 PM
rwenzing rwenzing is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by 02RangerFX4 View Post
This might be a dumb question, but 2002 alcoas can fit the 12 inch rotors, right?
Yes, they are the same wheels as 2003 and later Level II's.

However, the 12" rotors cannot be used with the 2002 knuckles because those knuckles are set up to position the calipers for the 11.28" rotors. Need to swap to 2003.5 or newer knuckles to use the 12".
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2003 FX4 Level II, Supercharged 5.0L V8, Headers, Duals
BW4406 manual transfer case, Aussie Locker, Torsen L/S, 4.10's
Bilstein 7100 rezzies, Cadillac/Mustang rear discs, Duff traction bars
Keypad Entry, Lock LEDs, ABS switch, sway bar discos
Heated seats, Explorer EATC, Trip Computer and consoles

2003 XLT 2.3L M5OD-R1 reg cab, 2011 Taurus SEL, 2016 C-MAX Energi Plug-in Hybrid
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  #9  
Old 07-23-2012, 08:56 PM
02RangerFX4 02RangerFX4 is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by rwenzing View Post
Yes, they are the same wheels as 2003 and later Level II's.

However, the 12" rotors cannot be used with the 2002 knuckles because those knuckles are set up to position the calipers for the 11.28" rotors. Need to swap to 2003.5 or newer knuckles to use the 12".
Ok, good to know. I'm eventually going to have all around disks.
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #10  
Old 07-24-2012, 07:59 AM
Shakedown Shakedown is offline
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Default

Quote:
Originally Posted by rwenzing
Ranger 4x4's made the midyear change from 11.28" to 12" during the 2003 model year. Your 2004 FX4 definitely came from the factory with 12" rotors.
Thanks!
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2004 FX4 4.0L SOHC 5 speed manual. Mod list: Throttle cable, blinker, headlight, torsion bar (1.5"), intake mod, Pioneer DEH 9400, RF 10" shallow punch DVC 300 watt rms, retrofit bixenon projectors, red painted calipers and drums, red painted tow hooks, bull bar, 2" shackle lift.
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  #11  
Old 07-26-2012, 11:49 AM
Shakedown Shakedown is offline
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Default

Bought some rotors yesterday.
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2004 FX4 4.0L SOHC 5 speed manual. Mod list: Throttle cable, blinker, headlight, torsion bar (1.5"), intake mod, Pioneer DEH 9400, RF 10" shallow punch DVC 300 watt rms, retrofit bixenon projectors, red painted calipers and drums, red painted tow hooks, bull bar, 2" shackle lift.
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  #12  
Old 07-26-2012, 02:52 PM
TonkaRanger01 TonkaRanger01 is offline
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Could I put the newer rotors on my 2001 ranger?
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  #13  
Old 07-26-2012, 03:46 PM
02RangerFX4 02RangerFX4 is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by TonkaRanger01 View Post
Could I put the newer rotors on my 2001 ranger?
Yes, read above ^
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Rebello Racing cams | port and polished heads | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #14  
Old 07-26-2012, 06:12 PM
TonkaRanger01 TonkaRanger01 is offline
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So all I would need to replace is the rotors and the bracket that holds the caliper or are the calipers bigger to?
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  #15  
Old 07-26-2012, 06:20 PM
Logan03CO Logan03CO is offline
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Default Re: Rotor size confusion on FX4

Quote:
Originally Posted by TonkaRanger01 View Post
Could I put the newer rotors on my 2001 ranger?
Quote:
Originally Posted by 02RangerFX4 View Post
Yes, read above ^
But you can't just slap the rotors on. Like rwenzing said - there is more to it:

Quote:
Originally Posted by rwenzing View Post
the 12" rotors cannot be used with the 2002 knuckles because those knuckles are set up to position the calipers for the 11.28" rotors. Need to swap to 2003.5 or newer knuckles to use the 12".

My opinion: I don't think it's worth changing the knuckle out for the slightly larger 12" setup.
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Last edited by Logan03CO; 07-26-2012 at 06:26 PM.
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