08 Leaf Spring Conversion - Anybody Done it? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 26 (permalink) Old 06-20-2009, 03:39 PM Thread Starter
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08 Leaf Spring Conversion - Anybody Done it?

Has anybody swapped 08+ springs on to 99-07 trucks? I ran accross this on EBAY today, just wondered if anybody had done it.

http://cgi.ebay.com/ebaymotors/1999-...lenotsupported

Has new mounts that move your front leaf spring mounts forward.
If you just moved the front spring mounts forward, wouldnt the axle be too far forward if it was centered on the leaf spring? Since the rear spring mount stays in the same place.

My thinking is, If I could pick up a set of 08 leafs and the spring mounts I need, I could do that and run a 6" OUO Traction Block.

I talked to the guy that had the kit listed on EBAY. I asked him the same thing I asked in the post above. His response was:

No, just think if you welded 8 inches onto the front of your current leaf springs…..the rear shackle and axle center pin remain in exactly the same place, its just that the front eye is moved forward by 8 inches….this actually makes the leaf springs the same length in front and in back of the axle like it should be….the 99-07 design is really a terrible design because of the shorter front section really affects ride quality and limits maximum load….

Like I said, we have them on all of our company 1999-2001 F350 duallies, and it makes a huge difference, both in ride quality and weight carrying capacity, and there were absolutely no issues with regard to axle location, simply removing the existing front hangers and replacing them with ours 8 inches further toward the front is all that’s necessary….

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post #2 of 26 (permalink) Old 06-20-2009, 05:33 PM
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First, I'd like to see their front mount (no pic in the listing) I'd also like to know why the stockers wouldn't work if you moved them forward 8"

Second, I'm sure you could find some take-off springs from someone with a crazy lift for cheap.

Third, longer springs will make axle wrap worse, so plan on installing some traction bars.

I don't see it being worth $1000 unless thay're going to do the installation.

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post #3 of 26 (permalink) Old 06-20-2009, 07:48 PM Thread Starter
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Definitely would not be buying that set up. Like I said in my post, wanting to go with 08+ leafs and a OUO 6" Traction Block setup. Not gonna pay $1000 for a set of factory leaf springs and a set of brackets. Especially when he said he doesnt have any pictures he can send me.

I was wondering about moving the factory mount forward too. I may get under there and look tommorow.

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post #4 of 26 (permalink) Old 06-20-2009, 07:49 PM Thread Starter
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Anyone have a set of Factory 08 leaf springs w/overloads laying around?

2005 F350 Crew Cab 4x4
PMF Rear Leaf Spring Conversion w/2011 Leaf Springs
20" Harley Wheels 305/55/20 Nitto Terra Grapplers
ARP Studs & EGR Delete from PowerStrokeMagic w/GearHead Tunes
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post #5 of 26 (permalink) Old 06-20-2009, 11:13 PM
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I just spent some creeper time under my '07 dually (I like to do that when I'm drunk, just to see if I can find anything in need of attention ) I see no reason you couldn't move the stock front hangers up 8" and install '08 springs...you'll need to address the parking brake bracket (on the driver's side) but it looks like you could drill some new holes and bolt'm up... I've got a CC LB though, from your pic, you have a SB which might change things.

I bought a set of take-off '06 springs from a guy (for $100) with the intent of adding a leaf and an extra overload to my spring pack to handle my 5r (7000lbs on the hitch) but if this works out for you, I might go a different route.

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Last edited by 444turbodiesel; 06-20-2009 at 11:18 PM.
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post #6 of 26 (permalink) Old 06-21-2009, 06:07 PM Thread Starter
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I climbed under mine, 8 inches forward shouldnt be a problem. Just would like to find if anyone else has done it.

2005 F350 Crew Cab 4x4
PMF Rear Leaf Spring Conversion w/2011 Leaf Springs
20" Harley Wheels 305/55/20 Nitto Terra Grapplers
ARP Studs & EGR Delete from PowerStrokeMagic w/GearHead Tunes
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post #7 of 26 (permalink) Old 06-21-2009, 08:23 PM Thread Starter
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Well I've tried talking to the guy that has the listing. Not much luck on getting info out of him. I asked him if he would sell me a set of just the mounts and he told me he couldnt because this was the last set he was trying to clear out, thats why the price is so cheap. I told him:

Well I'm interested but want to see what the brackets look like. So send me a pic of them and we'll see what we can do. There has to be a way to let me see what they look like if you are "trying to clear out this last set". Why wouldnt a person just be able to get a set of factory mounts and move them forward 8 inches? Just put yourself in my shoes, would you spend $1000 on something that somebody doesnt even want to show you a picture of?

He responded:

Because:

1) you don’t know the correct location to mount them (not as simple as 8 inches forward)

2) what are you going to do when the main frame crossmember falls out (and it will if you do the sequence wrong)

3) how do you plan to handle the parking brake cables (existing bracket is 8 inches forward of existing spring mount)

We’ve already figured out all these issues and several others that you will encounter…..

2005 F350 Crew Cab 4x4
PMF Rear Leaf Spring Conversion w/2011 Leaf Springs
20" Harley Wheels 305/55/20 Nitto Terra Grapplers
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post #8 of 26 (permalink) Old 06-21-2009, 08:34 PM Thread Starter
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Just heard back from him again, he told me:

We are not going to send you a picture of the mounts for the simple reason that they can be copied……..that is the reason there is no picture of the mounts to begin with in the auction….if you are interested in this kit, you are welcome to do the buy-it-now…….if not, we understand and thanks for your interest…..Scott @ IST

2005 F350 Crew Cab 4x4
PMF Rear Leaf Spring Conversion w/2011 Leaf Springs
20" Harley Wheels 305/55/20 Nitto Terra Grapplers
ARP Studs & EGR Delete from PowerStrokeMagic w/GearHead Tunes
Amp Research Steps, MBRP

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post #9 of 26 (permalink) Old 06-22-2009, 05:38 AM
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Piss on him, find some '08 springs and you should be able to figure it out.

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post #10 of 26 (permalink) Old 06-22-2009, 03:21 PM Thread Starter
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My thoughts exactly

2005 F350 Crew Cab 4x4
PMF Rear Leaf Spring Conversion w/2011 Leaf Springs
20" Harley Wheels 305/55/20 Nitto Terra Grapplers
ARP Studs & EGR Delete from PowerStrokeMagic w/GearHead Tunes
Amp Research Steps, MBRP

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