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Leaf Spring Arch???

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Old Aug 24, 2005 | 08:19 PM
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Leaf Spring Arch???

Well, both of the f100's I've owned have had a stock block, about 3" tall, between the axle and rear spring. I havent seen this block on the f150's of the same time period though, and they seem to sit about the same height. I was wondering, do the f100's have a flatter spring than the f150's? Can I pull the block and put f150 junkyard springs in? (or leave the block and get some lift ) THANKS!
 
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Old Aug 24, 2005 | 08:25 PM
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i have a '79 f-150 and it has a three inch block, don't think mine is the only one
 
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Old Aug 24, 2005 | 08:28 PM
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Really? What about the 3/4 ton "lowboys" or the broncos?
 
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Old Aug 24, 2005 | 09:13 PM
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I haven't seen F-150s with blocks, at least not the 2wds, I have a 77 F-100 and the spring it had on there were WIMPY to be nice. Their arch was horrable, so I go some 2wd F-150 leaf springs from a 80's model truck. They gave me about 3-4" of lift over the old stock springs, which didn't have blocks to start with.

I almost put some blocks, but decided not to, and I'm glad I did, because it already has a big enough rake.
 
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Old Aug 29, 2005 | 01:08 AM
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My '79 F250 has blocks in the rear as well. Out of the side of the block is protrusion that looks sorta like a horn, don't know what it's for.
 
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Old Aug 29, 2005 | 01:23 AM
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Originally Posted by 460f250
My '79 F250 has blocks in the rear as well. Out of the side of the block is protrusion that looks sorta like a horn, don't know what it's for.
I believe those are for your bumpstops
 
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