6 leaf or 3 leaf front springs?
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Senior User
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6 leaf or 3 leaf front springs?
1967 f250 highboy w/stock 5 leaf springs mounted on a dana 44. I am debating whether or not to use 78-79 3 leaf. I am going to buy or re-arch springs. I would imagine the 3 spring would ride nicer but I am worried about ride height. I do not want my front any lower at all.
Dropping in a 460 and will gain some weight in front.
General Spring has 6 leaf @ 1550 for $260 a set and 3 leaf @ 2750 for $340 a set.
A true heat treated re-arch with an added leaf is $260 a set here in town.
Not spending $600 for aftermarkets.
Dropping in a 460 and will gain some weight in front.
General Spring has 6 leaf @ 1550 for $260 a set and 3 leaf @ 2750 for $340 a set.
A true heat treated re-arch with an added leaf is $260 a set here in town.
Not spending $600 for aftermarkets.
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
1967 f250 highboy w/stock 5 leaf springs mounted on a dana 44. I am debating whether or not to use 78-79 3 leaf. I am going to buy or re-arch springs. I would imagine the 3 spring would ride nicer but I am worried about ride height. I do not want my front any lower at all.
Dropping in a 460 and will gain some weight in front.
General Spring has 6 leaf @ 1550 for $260 a set and 3 leaf @ 2750 for $340 a set.
A true heat treated re-arch with an added leaf is $260 a set here in town.
Not spending $600 for aftermarkets.
Dropping in a 460 and will gain some weight in front.
General Spring has 6 leaf @ 1550 for $260 a set and 3 leaf @ 2750 for $340 a set.
A true heat treated re-arch with an added leaf is $260 a set here in town.
Not spending $600 for aftermarkets.
Cargo Master
Joined: Feb 2006
Posts: 3,009
Likes: 250
From: North Pole, Alaska
If that you you want ride height, then you want a positive arch spring which is what your 67 has. The 78-79 springs are a negative arch spring and won't give you the height that you need. If you want to maintain your height, go with positive arch springs. Just compare yours with any 78-79 and you will see that there is a difference. It is not called a Highboy for nothing. I know this as I have a 70 and a 76 crew with a 79 regular cab. There is a difference.
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I didn't know that.
Stock stack up is what I want then. I found that General Spring wants $100 for shipping. I think I will go re-arch with the extra spring. I called today and they said heat treat with re-arch to stock will only last about 75% of new springs and that is why they install another leaf to make it last even longer. He said as long as I am not stump jumping they will last for many years at stock height. He said they will only over arch 1". I don't think I was being BSed
I use the truck for hunting, going to the dump, picking up stuff at the building supply, helping ungrateful friends move their stuff, and cruising for fat chicks.....
Stock stack up is what I want then. I found that General Spring wants $100 for shipping. I think I will go re-arch with the extra spring. I called today and they said heat treat with re-arch to stock will only last about 75% of new springs and that is why they install another leaf to make it last even longer. He said as long as I am not stump jumping they will last for many years at stock height. He said they will only over arch 1". I don't think I was being BSed
I use the truck for hunting, going to the dump, picking up stuff at the building supply, helping ungrateful friends move their stuff, and cruising for fat chicks.....
Fleet Owner
Joined: Dec 2009
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From: NorCal
That's a quotable quote. LOL!
Elder User
Joined: Jan 2003
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From: at my house
I think ill use that next time the insurance company asks what the truck is used for... Lol. Awesome
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Hotshot
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From: Phoenix, Az.
Ya might get a quote from the above sponsor. It's always nice to use those that sponsor this forum.
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Post Fiend
Joined: Apr 2008
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From: Grants Pass, Oregon
He MAY have been speaking about the Lift springs for a 78/79 Application......Per, everything ive been told, and what i saw yesterday on a 77-1/2 Lowboy, the stock negative arch springs are 2 leaf, not 3........Ive got 2 highboys, one has the standard 6 leaf, the other has 3 leaf, positive arch springs in the front( I know they arent stock, and i already KNOW its truly a Highboy) and the 77, 3 leafer also has a previous owner installed 460, both trucks(76 and 77) are on 33" tires, and the 77 sits higher........take a look at the photo, the blue one sits higher with 3 leaf, positive arch springs
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Senior User
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That is interesting. FoMoCo shows a 2 leaf stock @ 2375. Here is a link to the General Spring site with the 3 spring 2750's.
1967 - 1979 F250 leaf springs - front and rear
1967 - 1979 F250 leaf springs - front and rear
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
That is interesting. FoMoCo shows a 2 leaf stock @ 2375. Here is a link to the General Spring site with the 3 spring 2750's. 1967 - 1979 F250 leaf springs - front and rear
There's no such thing as 3 leaf springs for 1978/79 F250 4WD
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Why do you think the FoMoCo IPC is wrong?