4" to 2" blocks
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Junior User
Joined: Jul 2004
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From: colorado
4" to 2" blocks
My 99 f250 superduty has 4" inch blocks between the springs and the rear axle. Is there any reason i can't switch them out for 2". Would i need to get different u-bolts? I don't see any reason for the rear to be so high, i don't tow anything real heavy and it's kinda hard getting stuff in the box.
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Joined: Jun 2003
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From: NE Texas
Originally Posted by sillyp
My 99 f250 superduty has 4" inch blocks between the springs and the rear axle. Is there any reason i can't switch them out for 2".
Would i need to get different u-bolts?
I don't see any reason for the rear to be so high, i don't tow anything real heavy and it's kinda hard getting stuff in the box.
Post Fiend
Joined: Jun 2003
Posts: 5,643
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From: NE Texas
Originally Posted by sillyp
where could i find new u bolts? stealership?
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Junior User
Joined: Jul 2004
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From: colorado
I'm thinking i'll go with 2" blocks, about $40 from the strealership. would i have to change anything on the carrier bearing with that configuration? Forgive me, i'm new to the world of trucks, but the carrier bearing is on the drive shaft, right?
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From: s.f. bay area
When I changed by 2004 F350 4X4 SB CC from 4" to 2", I was able to reuse the old u-bolts, and my blocks were NOT tapered. I had originally gotten new u-bolts for the installation, but it turned out the ones I got were too short, and with the truck already disassembled, I just put the old ones back on and screwed down the bolts further. There were plenty of threads left still. I didn't need to change the drive shaft bearings anywhere, and all is fine.
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Junior User
Joined: Feb 2004
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From: Gardnerville, NV
Do you want to sell those 4" blocks? Mine's got the 2" and I want more out of it. 
Shoot me an email if you're interested in getting rid of them
chris.manning@kickstartoem.com
Shoot me an email if you're interested in getting rid of them
chris.manning@kickstartoem.com
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Junior User
Joined: Jul 2004
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From: colorado
apparently i need 3 more post before i can send you an email
but yeah, i'll prolly be willing to sell them. it would be nice if we could just trade, but i'm not sure about the logistics of that. not like i'm gonna leave my truck on jackstands for a week while i'm waiting on parts!
but yeah, i'll prolly be willing to sell them. it would be nice if we could just trade, but i'm not sure about the logistics of that. not like i'm gonna leave my truck on jackstands for a week while i'm waiting on parts!
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NOt smaller... BIGGER!
I had the same problem! I was told the 4 Inch blocks are part of the CAMPER PACKAGE! (4 Inch.... too high in the rear) Rather then Replacing them with 2" I went the other direction. I added a 2 " leveling kit to the front. Basically it is a leaf kit system that adds 2" of lift to front only! I LOVE IT! My truck now looks like a truck! And I had room for 33" tires which is a nice BONUS!
(*note: I lost 2 miles per gallon immediately.......LOL!)
I got the kit from www.jackit.com ($240)
(*note: I lost 2 miles per gallon immediately.......LOL!)
I got the kit from www.jackit.com ($240)