spring upgrade
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Junior User
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spring upgrade
Hello All:
First, I want to say THANK YOU for the GREAT information everyone here provides. I don't know of a better forum with the Fords.
Now my question... Have a 2017 Ford F350 with 6.2L SRW 11300 gvw, 4.3 rears etc etc...
Will 43-1717HD Leaf Springs fit this truck? My "eyeballing" and measuring predict they will. I would like your more qualified thoughts on this before I pull the trigger and order them. Thanks again for any info on this and THANKS again for everything the members post on the forum... David
First, I want to say THANK YOU for the GREAT information everyone here provides. I don't know of a better forum with the Fords.
Now my question... Have a 2017 Ford F350 with 6.2L SRW 11300 gvw, 4.3 rears etc etc...
Will 43-1717HD Leaf Springs fit this truck? My "eyeballing" and measuring predict they will. I would like your more qualified thoughts on this before I pull the trigger and order them. Thanks again for any info on this and THANKS again for everything the members post on the forum... David
Hotshot
Joined: Oct 2015
Posts: 19,711
Likes: 12,851
From: Wyoming
Doesn't the F-350 already have the heaviest springs available on a SRW? What are you trying to achieve? Isn't the 11,300 GVWR a paper downgrade, not a physical downgrade? How many springs are in your spring pack now?
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Joined: Sep 2013
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From: Souderton
Measurement wise that spring should be a direct fit for you. Same lengths and bushings for the end bolts. That is a hell of a spring rating and very expensive spring. If you need the weight capacity you need the weight capacity but just wanted to make sure you knew how high of a rating it was.
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Measurement wise that spring should be a direct fit for you. Same lengths and bushings for the end bolts. That is a hell of a spring rating and very expensive spring. If you need the weight capacity you need the weight capacity but just wanted to make sure you knew how high of a rating it was.
Logistics Pro
Joined: Apr 2000
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From: Mills River
Your partial description covers many F350 truck, wheel and tire configurations. Can you tell is more about these details?
As Jim noted above, your truck is already fitted with five-leaf rear springs, which are the heaviest standard OEM springs for an an F350 SRW, including ones fitted with the diesel.
Note that installing higher-rated springs may not do much without other mods. For example, your truck’s wheels (18” or 20”) are each load rated for 3590 lbs., about the same as each rear spring pack (3615 lbs.). The LT275/70R18E tires are similarly loaded-rated for 3640 lbs. each, and the smaller LT275/65R18E A/S tires are rated for less (3415 lbs.).
IOW, there may be other weak links to consider.
What is your goal here?
HTH,
Jim / crewzer
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275/75/18 here. Truck is usually not a daily driver. Mostly a "work" truck. The truck this one replaced was a Chevy 3500 with a stupid large set of springs and I never once regretted putting them in. A simpler way to put it, if I'm getting close to gvw I don't have to worry about the spring pack.
Thanks again for the replys!
Thanks again for the replys!
Hotshot
Joined: Oct 2015
Posts: 19,711
Likes: 12,851
From: Wyoming
Don't forget that there is nothing you can do to change the GVWR on the sticker (on driver's door frame). That's set in stone. Air bags, springs, axles, wheels, tires. None of that changes the GVWR. Some states will allow you to register the vehicle with a different GVWR but that is not common or commonly done.
I've run my F-350 SRW right to the GVWR limit with a pallet of rock. There was not excessive squat.
I've run my F-350 SRW right to the GVWR limit with a pallet of rock. There was not excessive squat.
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SPONSOR
Joined: Sep 2013
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From: Souderton
We literally just sold our last pallet of that part number to a specialty truck builder that is local to us, not sure when we are getting more in, they're not a huge mover. We have many other HD rear springs, not as much as the 1717HD in terms of capacity but many that will still be an upgrade to your current setup.
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Logistics Pro
Joined: Apr 2000
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From: Mills River
275/75/18 here. Truck is usually not a daily driver. Mostly a "work" truck. The truck this one replaced was a Chevy 3500 with a stupid large set of springs and I never once regretted putting them in. A simpler way to put it, if I'm getting close to gvw I don't have to worry about the spring pack.
Thanks again for the replys!
Thanks again for the replys!
Alternatives to replacing the OEM leaf springs include adding Torklift Stableloads (upper and/or lower), air springs (i.e., Firestone or Air Lift), or SumoSprings.
HTH,
Jim / crewzer
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You are correct SD, mistake. 275/70/18...
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Mountain Pass
Joined: Jan 2020
Posts: 232
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David, why not just get some timbrens or dumps. The timbrens are rated 8600lbs. Should cover any weight you plan to put in or on your truck and they install in minutes and are probably far cheaper than a total leaf spring replacement.
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