Factory ttb height
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New User
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Factory ttb height
Hi all, I just bought a 92 f250 4wd. It came with a third leaf in the front, and I believe the po added because the springs were sagging. It bounces all over the road with every little bump. What is the factory height between the axle and the bumps tops? Right now I have about about a inch and a half on each side. I have another parts truck with the factory setup and it has about a inch on each side. Can I use the ones off the parts truck or should I order a new set?
Thanks
Thanks
Elder User
Joined: Feb 2008
Posts: 867
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From: North Bend
I don't have the measurement handy, but:
I think bouncing all over would indicate bad shocks more than anything.
When you park your truck without backing up and look at the wheels head-on, do they look straight up and down- | | or like this- \ / or like this / \ ?
I think bouncing all over would indicate bad shocks more than anything.
When you park your truck without backing up and look at the wheels head-on, do they look straight up and down- | | or like this- \ / or like this / \ ?
Postmaster
Joined: Feb 2003
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From: Muskegon, MI (home)
I think what he is getting at is, his truck rides like a brick because the springs are so stiff. I have a 3 leaf pack in the front of my 84 F250, I installed it for snow plowing. I also had the D50 TTB front, it has been swapped out for a KP HP D60 solid axle. If his truck is setup like mine, the only way to get a decent ride is to remove the third leaf from the pack. Or replace the whole set with a brand new 2 leaf pack. Unfortunately the leaf sprung TTB trucks are gonna ride like crap no matter what shocks or springs you have, short of converting it to a coil spring/radius arm setup. As for the bump stop clearance on my truck, approximately 1-1/2" if I remember correctly. As for swapping springs from your parts truck, I would only do it if it was a diesel. The weight ratings of gas and diesel springs are different. A set gasser springs might sag pretty badly because of the weight of the diesel engine. Another issue that could occur with the softer springs is, it could throw the camber off to the point of not being able to do a proper alignment.
Elder User
Joined: Feb 2008
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From: North Bend
In contrast, I had super saggy stock springs and on the advice of another member years ago, installed an add-a-leaf. Everyone said it would ride terribly, yet one well-respected member said it'd be fine.
And it is fine! Running strong and true to this day.
So I guess everyone's mileage will vary. Also depends on how bad the originals were.
Just went out and measured and I have 1 1/8" on my tape measure. Course I just realized I back into my driveway and so it may be off
And it is fine! Running strong and true to this day.
So I guess everyone's mileage will vary. Also depends on how bad the originals were.
Just went out and measured and I have 1 1/8" on my tape measure. Course I just realized I back into my driveway and so it may be off
Postmaster
Joined: Feb 2003
Posts: 3,441
Likes: 5
From: Muskegon, MI (home)
In contrast, I had super saggy stock springs and on the advice of another member years ago, installed an add-a-leaf. Everyone said it would ride terribly, yet one well-respected member said it'd be fine.
And it is fine! Running strong and true to this day.
So I guess everyone's mileage will vary. Also depends on how bad the originals were.
Just went out and measured and I have 1 1/8" on my tape measure. Course I just realized I back into my driveway and so it may be off
And it is fine! Running strong and true to this day.
So I guess everyone's mileage will vary. Also depends on how bad the originals were.
Just went out and measured and I have 1 1/8" on my tape measure. Course I just realized I back into my driveway and so it may be off
Elder User
Joined: Feb 2008
Posts: 867
Likes: 3
From: North Bend
I failed to mention, I installed the add-a-leafs on a brand new set of springs. Running the truck empty, it's definitely a bouncy ride. But the flip side of it, when I put my snow plow on and about 1000 lbs on the flatbed; it rides pretty good. The truck is built for work, not show-boating around like all the useless jacked up bro-trucks you see cruising around.
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Laughing Gas
Joined: Mar 2016
Posts: 1,105
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i have heard that also .. about 3 older springs working good ..
i have a spare set of ol' saggers i got of cl for someday when i want to add a bit more lift ..
my truck also rides good loaded .. doesn't seem to effect mpg really either
haha "bro-trucks" those newer dodges are really cheesy ... never gonna see a trail or heavy load .. buddy had one .. and all the plastic was breaking and falling off but it was like 12' foot tall lol ..
i have a spare set of ol' saggers i got of cl for someday when i want to add a bit more lift ..
my truck also rides good loaded .. doesn't seem to effect mpg really either
haha "bro-trucks" those newer dodges are really cheesy ... never gonna see a trail or heavy load .. buddy had one .. and all the plastic was breaking and falling off but it was like 12' foot tall lol ..
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Postmaster
Joined: Feb 2003
Posts: 3,441
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From: Muskegon, MI (home)
I had the Tuff Country adjustable drop brackets on it, which did help. It did chew up a set of tires, I was constantly rotating them to try to keep them even. Eventually I swapped out the TTB for a solid axle D60. I probably would have left the TTB in there if I wasn't plowing with the truck. It was impossible to keep it aligned because of taking weight on and off the front end all the time, the alignment was constantly changing. Other than that I like the TTB, strength wise it held up very well; and I'm not always easy on my trucks.
Senior User
Joined: Feb 2011
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From: Roslyn, Wa.
Seems like I'm always messing with my TTB (alignments, realignments, bushings, springs, ball joints, more alignment) As soon as I finish moving I will be switching to the D60 Straight as well. The TTB is tough for sure but just a little too finicky for me. I'm tired of backing into my parking spot and seeing my front end pancaked.
BTW, I have brand new leafs and I'm sitting about an 1 1/2" from the bump stop.
BTW, I have brand new leafs and I'm sitting about an 1 1/2" from the bump stop.
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Thanks everyone for all the information. With the weather here in South Louisiana, I have not been able to get online.
But from what I gather anot inch to an inch and a half is not bad clearance. My tires are level when parked and it's tracks straight going down the road. It just rides like the axles are welded to the frame.
The parts truck I referenced did run a few years ago when I drove it and to me it rode as good as my old half ton. And its a 7.3, but an extended cab. I know that the extra length will make some difference. So it looks like I will either just remove the add a leaf or swap springs and have it aligned.
Thanks again for the help.
But from what I gather anot inch to an inch and a half is not bad clearance. My tires are level when parked and it's tracks straight going down the road. It just rides like the axles are welded to the frame.
The parts truck I referenced did run a few years ago when I drove it and to me it rode as good as my old half ton. And its a 7.3, but an extended cab. I know that the extra length will make some difference. So it looks like I will either just remove the add a leaf or swap springs and have it aligned.
Thanks again for the help.
Elder User
Joined: Feb 2008
Posts: 867
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From: North Bend
Posting Guru
Joined: May 2015
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They actually sell a set of leak packs for the ttb that have an extra leaf or two, it's what I plan to buy when I replace mine. I put some sort of heavy duty adjustable Rancho shocks on my truck and love them! I have them adjusted in the middle and it rides great for an 85 with leafsprings in the front.
I never plan on doing any crazy offroading or lift kits so I chose to keep the ttb because I do love the way it rides. I just leveled mine and called it a day, 285/75/16's fit in the wheelwells quite nicely. My friends 93 with a straight axle rides like a tank
I never plan on doing any crazy offroading or lift kits so I chose to keep the ttb because I do love the way it rides. I just leveled mine and called it a day, 285/75/16's fit in the wheelwells quite nicely. My friends 93 with a straight axle rides like a tank