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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Leaf springs

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Old Mar 23, 2005 | 09:11 PM
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BIG PAT
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Leaf springs

Hi
I have a 1985 f-150 with a 300, 4-speed granny tranny, 9" rear with a posi and 3.50s.
I just recently did a 4x4 conversion on this truck.
On the rear i opted to keep the original 3.5" wide leaf springs (the 4x4s have 4" wide). The bottom spring is twisting sideways of the other springs. It is doing this because the u-bolts are 4" apart and dont hold it anymore on the sides.
I made some clamps for them today to keep them straight but they squeezed all the leafs together and stiffined them up considerably.
Is this ok? Any other suggestions?
Thanks
BIG PAT

Forgot to mention I had to pull out my dads brand new 3/4 ton chevy 4x4 truck the other day. Ha Ha
 

Last edited by BIG PAT; Mar 23, 2005 at 09:15 PM.
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Old Mar 23, 2005 | 09:27 PM
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MontanaFord
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From: Kalispell, MT
pat...my 84 f-150 4x4 is all stock, and the leaf springs on it are only 3" wide....just thought i'd mention that...

MontanaFord
 
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Old Mar 24, 2005 | 09:25 AM
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Thanks

In that case i will go and try to find some 3.5 inch lift blocks so i can bring the u-bolts closer together.

BIG PAT
 
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Old Mar 25, 2005 | 02:32 AM
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MontanaFord
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From: Kalispell, MT
somethin else, too...i doubt that your truck came stock w/ the 9"....ford quit the 9 inch for the most part, around 1983, from what i've been told, and went to the 8.8" rear...you're certain yours is a 9"?? 8.8" has a rear pan on the differential...9" don't...

MontanaFord
 
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Old Mar 25, 2005 | 09:31 AM
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My truck did not come with a 9". It had a 8.8. I put the 9" in during my 4x4 conversion. Ford did stop using the 9" around 83.

Thanks BIG PAT
 
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