2003 F350 coil conversion - Ford Powerstroke Diesel Forum
Suspension & Steering Discuss OEM & aftermarket suspension, lifts, air ride suspension, shocks, steering components, etc.

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post #1 of 13 Old 01-11-2008, 06:13 PM Thread Starter
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2003 F350 coil conversion

Does anyone know if u can swap an 03 front leaf suspension with a 05 coil suspension?
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post #2 of 13 Old 01-12-2008, 08:55 AM
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I am looking at doing this very thing when I finally do my lift. There are a few companies that make a coil-over kits for our 03-04s. They aren't cheap, but I have heard that they ride really sweet and you get the better turning radious as well. Not sure if you could swap an 05 set-up onto an 03-04 without doing a good bit of fabricating. Hopefully on of the other guys here will chime in with the names of some manufactures, or you could contact some of the .org sponsors through here and ask them directly.

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post #3 of 13 Old 05-12-2010, 03:43 AM
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Converting to '05 Front Suspension

I would like to know more on this subject. I'm not looking for a large 6" plus lift, but wouldn't mind converting to the '05 frontend. Is this even feasable in cost? Or are there any conversion kits out there that are shorter than 6" (say like 3"-4")?
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post #4 of 13 Old 05-12-2010, 07:25 AM
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You can swap a 05+ front axle and steering under a 99-04 truck. Quite a few trucks have undergone this conversion.


Or, as mentioned Full Traction makes a good coilover conversion system for the 99-04s that we sell.


Of course if you swap in the 05+ axle and steering you get better steering, bigger brakes and better unit bearings (compared to the 99-04 ones).
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post #5 of 13 Old 05-12-2010, 02:02 PM
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The '05 up swap is a great mod easy and once you sell your old axles and wheels recoup some $$. I've done these on OBS trucks works great!
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post #6 of 13 Old 05-12-2010, 02:09 PM
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Quote:
Originally Posted by tirefire View Post
Does anyone know if u can swap an 03 front leaf suspension with a 05 coil suspension?
To answer your questions, most definitely yes. The frame contours are ruffly the same. You would need all the donor components (ie axle, steering linkages, coil buckets, and 3 link frame mounts). The frame would need to be drilled and some welding would need done for the 3 link mounts.

If your looking for a bolt up conversion using your current axle and frame, there might just be one in the works

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post #7 of 13 Old 05-12-2010, 08:25 PM
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if you just swap to an 05 coils can you put an 05 lift on without any problems?

2004 f-350 cc 6.0l
afe stage 2
4in magnaflow
sct with looney from dj
6 inch lift
33x15.5 mt atz
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post #8 of 13 Old 05-12-2010, 08:31 PM
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Quote:
Originally Posted by strokethis04 View Post
if you just swap to an 05 coils can you put an 05 lift on without any problems?
You cannot just "swap" to 05 coils. You need the rest of the suspension components....

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post #9 of 13 Old 05-12-2010, 08:36 PM
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Quote:
Originally Posted by NotStock View Post
To answer your questions, most definitely yes. The frame contours are ruffly the same. You would need all the donor components (ie axle, steering linkages, coil buckets, and 3 link frame mounts). The frame would need to be drilled and some welding would need done for the 3 link mounts.

If your looking for a bolt up conversion using your current axle and frame, there might just be one in the works
I would be very interested in this bolt on kit you are hinting at. Any ideas on when it might be available to the public and roughly how much? Will it be for stock height or maybe 2-4"?
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post #10 of 13 Old 05-12-2010, 08:56 PM
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Quote:
Originally Posted by NotStock View Post
You cannot just "swap" to 05 coils. You need the rest of the suspension components....
well i kinda know that

2004 f-350 cc 6.0l
afe stage 2
4in magnaflow
sct with looney from dj
6 inch lift
33x15.5 mt atz
16x10 raceline renegads
zoodad
auto meter gauges
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