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Superduty spring question

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Old Feb 20, 2010 | 09:54 PM
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Superduty spring question

Does anyone know how much longer the superduty v-codes are than the stockers. I finally started my kingpin D60 swap into my 89 F250. I have the sky manufacturing shackle reversal and can't seem to remember for the life of me, how much I need to add to their 52" measurement. I have all my D50 TTB out and tomorrow I plan to get the axle hung. I have been searching for 4 hours now and can't find that magical number. Any help would be great. Thanks
 
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Old Feb 21, 2010 | 06:59 AM
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Do you mean heavy duty? I have not ever heard of a pre 99 super duty? This may make your question easier for someone to answer.
 
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Old Feb 21, 2010 | 11:22 AM
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No, the truck is just an average 89 f250 4x4. What I'm doing is swapping the front springs to the 99-04 superduty V-codes along with a shackle reversal. They are longer than my OBS springs, but by how much I don't know. Unmounted they are 2" longer but that number will get bigger once installed.
 
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Old Feb 21, 2010 | 11:29 AM
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IIRC they are 4" longer
 
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Old Feb 21, 2010 | 01:35 PM
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Is that going to put the shackle at a 90* angle. Every picture I saw of this swap had what looked to be a vertical shackle. Shouldn't it angled to the rear or is the superduty spring an exception.
 
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Old Feb 25, 2010 | 09:02 PM
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I will have to look at my truck but i think the shackle is 90* to the frame
 
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Old Feb 25, 2010 | 10:40 PM
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Originally Posted by TexasGuy001
Do you mean heavy duty? I have not ever heard of a pre 99 super duty?
He's probably talking about the F-Superduty, also known as F59 stripped chassis - looks like a 1-ton only bigger, has a solid I-beam front axle with leafs and kingpins like a big truck, Dana 80 rear with massive disc brakes, driveline parking brake, 10-lug 16" dually wheels... Pretty nice setup really, can take lots of abuse as a work truck in its factory form or can be very nicely converter to full air ride for highway-hauler purposes, too bad at 14k GVWR they can get rather expensive to register and insure.
 
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