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Rear spring swap question

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Old Jan 10, 2023 | 01:41 PM
  #1  
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Rear spring swap question

I need som information regarding rear springs on two apparently similar vehicles.

Vehicle 1:
1997 Ford F-250HD 7.3PSD crew cab short bed with spring codes QA and with rear axle C9.

Vehicle 2:
1999 Ford E-350 7.3PSD high roof and extra long with spring codes SS and with rear axle C9.

So, here's the story;
I have the E-350 and purchased a set of new rear springs to it from ATS, because the van was sitting level when empty and low in the rear when loaded. Using spring code S (5560), ATS recommended i go for the heavy duty version to lift the rear end 1-1.5 inch.
I did'nt mount them, but just put them in stock for the time being. ATS calls them 43-1041HD E-350 SDVan leaf spring rear HD.

Then i bought my new toy, the F-250HD with rusty rear springs gaping between the leafs.
Would the ATS springs fit on my F-250HD?
And will my truck be level or raised after the swap?

My F-250HD is level when empty and it has an entry in the DMV title that the front end is lifted as documented by Ford 130503 (061). I think that the numbers indicate the date of documentation 13th of May 2003.
What kind of lift are they talking about? F-350 front end lift....
I will try the Norwegian DMV to try and figure out what was done, as my front springs are rusty too, but not that bad.

Here's a picture of the front end lift.

 
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Old Jan 10, 2023 | 01:46 PM
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that is sitting high for a F250

mine is at that height

Did they do a dana 60 swap? take a pic from the front that shows the diff and all the leafs
 
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Old Jan 10, 2023 | 04:15 PM
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i would call or email ats and ask them if the van springs will work in the pickup.
 
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Old Jan 11, 2023 | 08:59 AM
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dont think its going to work well

https://www.springworks.com/ford-leaf-springs/

F350
  • Number of Leaves - 7
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 31-3/8"
  • C - Leaf Spring Arch: 8-3/8"
  • D- Leaf Spring Pack Thickness: 2-5/8"
  • Leaf Spring Capacity: 3,100 lbs.


E350
  • Number of Leaves - 5 (4/1)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 23-7/8"
  • B - Leaf Spring Length: 31"
  • C - Leaf Spring Arch: 4"
  • D - Leaf Spring Pack Thickness: 2-3/8"
  • Leaf Spring Capacity: 2,775 lbs.


 
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Old Jan 11, 2023 | 10:37 AM
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Originally Posted by knottyrope
dont think its going to work well

https://www.springworks.com/ford-leaf-springs/

F350
  • Number of Leaves - 7
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 25"
  • B - Leaf Spring Length: 31-3/8"
  • C - Leaf Spring Arch: 8-3/8"
  • D- Leaf Spring Pack Thickness: 2-5/8"
  • Leaf Spring Capacity: 3,100 lbs.


E350
  • Number of Leaves - 5 (4/1)
  • Leaf Spring Width - 3"
  • A - Leaf Spring Length: 23-7/8"
  • B - Leaf Spring Length: 31"
  • C - Leaf Spring Arch: 4"
  • D - Leaf Spring Pack Thickness: 2-3/8"
  • Leaf Spring Capacity: 2,775 lbs.
I have the F-250HD not F-350 that is compared to in your answer. If there is any difference on these two trucks.

Front end, pictures coming up next.


 
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Old Jan 11, 2023 | 11:14 AM
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F250HD and F350 use same length springs in rear that dont match the van specs
 
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Old Jan 11, 2023 | 04:07 PM
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So the rear springs are a no go for my F-250. I was hoping it would fit.

How about the front springs, any clues from the pictures?
 
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Old Jan 11, 2023 | 04:43 PM
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you have a stock front end mostly

The springs could be stock (plow package) or have been upgraded

There should be marking on the leafs unless too rusty

The Ford stamping number is always on one end of the last leaf. The stamping is always visible with the spring installed and easily can be read no matter how old the spring is.
 
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Old Jan 12, 2023 | 12:07 PM
  #9  
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From: Ringebu, Norway
Originally Posted by knottyrope
you have a stock front end mostly

The springs could be stock (plow package) or have been upgraded

There should be marking on the leafs unless too rusty

The Ford stamping number is always on one end of the last leaf. The stamping is always visible with the spring installed and easily can be read no matter how old the spring is.
Thank you, i will check next week at the workshop.
Stamped on top or bottom leaf end?
 
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Old Jan 12, 2023 | 01:21 PM
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https://www.truckspring.com/how-to-m...f-springs.aspx

should help you
 
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Old Jan 13, 2023 | 07:30 AM
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I would say that front pack is likely a lift pack.

All the stock F-250 springs I have seen are flat to slightly inverted
 
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Old Jan 13, 2023 | 08:17 AM
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Originally Posted by Jrgunn5150
I would say that front pack is likely a lift pack.

All the stock F-250 springs I have seen are flat to slightly inverted
totally agree here and all of the F series trucks with stock front leafs that i have seen are all 2 maybe 3 leafs in all, wheras in your pic i count 5 leafs. my current F350 stock leafs up front are slightly inverted and only 2 leafs.
 
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Old Jan 17, 2023 | 02:29 PM
  #13  
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Tried scraping and cleaning with a wire brush, but could not find any numbers on the front leafs.
I will try again tomorrow with a wire brush attached to an angle grinder to get more cleaning power

So instead i changed both front door locks, and soldered some new wires with pins to the alternator connector. The original connector kept falling off in big bumps on the road.
I didn't use the middle wire since it was just a lose connection to nowhere. Maybe it's only for dual alternator setup.
 
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Old Jan 17, 2023 | 03:01 PM
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I have middle wire and it goes to a post on the Alt




you may have a newer style alt that does not need it
 
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Old Jan 18, 2023 | 12:05 PM
  #15  
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Originally Posted by knottyrope
I have middle wire and it goes to a post on the Alt
you may have a newer style alt that does not need it
This is what mine looks like.

My connector is the other way round, yellow and green wire is opposite from yours. Don't know if that means anything.
The original connector didn't fit so the previous owner cut some pieces of it and zip tied it on. I just cut the wires and connected the wires in the same position as he had.

So i cleaned my front leafs all around and found nothing, not even a slightest trace of any stamped number

Since i don't have a cold start high idle, i did a diagnostic test. KOER and KOEO all i got was P0196 Engine oil temperature sensor Range/Performance fault.
I guess i need to order a new oil temp sensor.
After the testing i took a look at some live numbers and got this.

Two questions appear.
1 Why is engine coolant temp red and showing 150 degrees Celcius when oil temp is showing 143.6 degrees Farenheit?
2 Intake air temp is only showing 46 degrees Farenheit when garage room temp at testing was 60 degrees Farenheit? The sensor is lying on the fender beneath the batteries.
Are both sensors bad and needs to be replaced?
 
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