Brake upgrade question - Diesel Truck Forum - TheDieselGarage.com
Thread Details Posted by Mustang42, this thread has received 4 replies and been viewed 904 times.

 
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post #1 of 5 (permalink) Old 02-01-2010, 09:56 PM Thread Starter
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Brake upgrade question

Has anyone tried to use 05+ Rotors, calipers, caliper brackets on the 03-04? I can't seem to find the specs. for these parts to see if they would work. I know the rotors are bigger by 0.7" I think this would be a nice upgrade for us guys with older trucks if we could make it work.

2004 F-350 Crewcab. Bunch of stuff done.
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post #2 of 5 (permalink) Old 02-01-2010, 10:26 PM
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yeah, ONE GUY...JACK (aka toomanytoys).
Jack is a former FMTRVT, Manager of Vehicle Testing - Brakes....jack KNOWS BRAKES !

He's got a bunch of pictures HERE

he should be along anytime now....

Don R.

'04 350 4WD Lariat Crew Longbed (built 05.04)
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post #3 of 5 (permalink) Old 02-01-2010, 10:51 PM Thread Starter
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Now that was a ton of info on brakes. Looks like it may be a no-go for putting the newer brakes on the older trucks. I was just looking for a bit better stopping power. I already have the powerslot rotors with hawk pads, but I am always willing to have more.

2004 F-350 Crewcab. Bunch of stuff done.
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post #4 of 5 (permalink) Old 02-01-2010, 11:22 PM
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The pictorial that Don graciously pointed out was made for questioners like you.

The front rotor increase is actually 0.63 inches on the diameter, which means an increase of 0.315” on the scrub radius, which is what maters. An increase, but not one that in that large and the 16” wheels wont fit.

The caliper changes also make an incremental change, making it more appealing. No one I know of makes aftermarket brackets to adapt the new style to the older trucks. So on the front end a steering knuckle change is warranted.

Same on the rear as I believe the entire knuckle from a ‘05+ will bolt up to the axle housing. The rear hub may also need to be changed or a spacer between the wheel and the hub.

This is an expensive change out and since I never bothered to try the switching, some things may not line up.

The other change was in the friction material. We went from a low cold F and high hot E friction rating to a midrange FF friction rating.

For all the cost and effort you honestly are better off just going to a higher effective friction material like Performance Friction’s “Z” or Hawk’s LTS materials. And on both axles.



PHP Code:
99 to '04 Brake System SRW                             
    BRAKE DESCRIPTION                          BRAKE SIZE    CAL/WC    
    FRONT -     AKE Bolt On Pin Slider        331 x 30 mm    Twin 54 mm
    REAR -      AKE Bolt On Pin Slider        326 x 30 mm    Twin 45 mm
                                
                                
05 Brake System SRW                                  
    BRAKE DESCRIPTION                          BRAKE SIZE    CAL/WC    
    FRONT -     TRW Bolt On Pin Slider        347 x 38 mm    Twin 60 mm
    REAR -      TRW Bolt On Pin Slider        340 x 34 mm    Twin 54 mm 

Jack -
Formerly FMTRVT, Manager of Vehicle Testing - Brakes

2003 F-350SC Lariat 4x4 6.0L Auto

Truck Modifications as below in Pictorials on Facebook. Google - Facebook TooManyToys
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post #5 of 5 (permalink) Old 02-02-2010, 02:09 AM Thread Starter
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Thanks a ton for the info Jack!! It was very informative. I will just keep using what I have and keep putting quality rotors and pads on the truck.

2004 F-350 Crewcab. Bunch of stuff done.
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