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Rear Leaf Block Thickness

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Old Mar 25, 2019 | 08:49 PM
  #1  
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Rear Leaf Block Thickness

Hey guys,

Going with a 2" BDS level, but I'd like to bring the rear up a bit as well to maintain some of the current rake.

I know the pas gen F250/F350 had different thickness blocks in the rear. Just wondering if it's the same with the current gens, and if so, does anyone have the part numbers, or differences in thickness?
 
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Old Mar 25, 2019 | 09:51 PM
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My 2019 F250 CCSB 4x4 had 3" blocks in the rear stock.

My 3.5" leveling kit came with 4" blocks but that left me with too much rake (I had a ton stock) - so ended up ordering some custom 3.5" blocks and it sits damn near level now.
 
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Old Mar 25, 2019 | 10:11 PM
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You have restored my faith in guys that level their trucks. Lol. If you are doing a 2” level, you probably wouldn’t want to go anything bigger than an inch. 2” level might not even require blocks to maintain the rake you want as I believe the factory rake is about 3-3.5. Blocks are easy to install so if it was me, I’d do the level and see how it looks and performs with weight on the back end. Add blocks as needed after you get a feeling for what’s going on.
 
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Old Mar 26, 2019 | 04:35 AM
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Yeah I cant recall exactly but I'm pretty sure it's sitting with 3" of rake currently with the plow springs up front.

I use a sled deck all winter, and even though I have bags, I dont want that squat look with my nose tipped up as soon as I put some weight in there.

The BDS 2" doesn't include any blocks, likely because some take it left, but I wanted to see if I could just source some 350 blocks in case I lose too much.

Is there any retailers just selling the rear blocks only? My bags are inside my leaks as well, so I need the blocks to have the wing on them.
 
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Old Mar 26, 2019 | 04:57 AM
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Originally Posted by NL_F250
Yeah I cant recall exactly but I'm pretty sure it's sitting with 3" of rake currently with the plow springs up front.

I use a sled deck all winter, and even though I have bags, I dont want that squat look with my nose tipped up as soon as I put some weight in there.

The BDS 2" doesn't include any blocks, likely because some take it left, but I wanted to see if I could just source some 350 blocks in case I lose too much.

Is there any retailers just selling the rear blocks only? My bags are inside my leaks as well, so I need the blocks to have the wing on them.
Many off-road performance shops have take-off factory blocks laying around to which they'll likely sell you at a cheap price.
 
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Old Mar 26, 2019 | 06:21 AM
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Was there only a 3" block optioned for this gen truck? I have a 3" factory block back there now.

Readylift has blocks but it states they aren't to be used with an airbag system that utilizes the attached tang, so they're out.

I noticed PMF has a great offering, but if it was possible to get a factory 4" block, if such a creature existed, I'd just go that route as it'd suit my needs, likely for less $.
 
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Old Mar 26, 2019 | 10:34 AM
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I'd be looking to lower my rear a bit to level it with snow plow prep front on 350 crew cab, but am afraid of experiencing shaking, etc that I have read about, anybody do a simple block swap to lower/level the rear with no issues?
 
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Old Mar 30, 2019 | 01:27 PM
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Originally Posted by NL_F250
Was there only a 3" block optioned for this gen truck? I have a 3" factory block back there now.

Readylift has blocks but it states they aren't to be used with an airbag system that utilizes the attached tang, so they're out.

I noticed PMF has a great offering, but if it was possible to get a factory 4" block, if such a creature existed, I'd just go that route as it'd suit my needs, likely for less $.
I’m using ready lift rear blocks with air bags on the bump stops with no problem.
 
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Old Mar 30, 2019 | 05:26 PM
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Originally Posted by delorenzomp
... anybody do a simple block swap to lower/level the rear with no issues?
Several have according to this thread ... https://www.ford-trucks.com/forums/1...-rear-end.html
 
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Old Mar 30, 2019 | 05:49 PM
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2017-19 Ford Superduty Fabricated Blocks
 
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Old Mar 30, 2019 | 11:25 PM
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Mine is 3.5
 
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Old Mar 31, 2019 | 07:28 AM
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Originally Posted by Andrew010
I’m using ready lift rear blocks with air bags on the bump stops with no problem.
From their website:

NOTE: The lift blocks in this kit are not designed to work with aftermarket or factory add-on air spring/load leveling kits that attach to the bump stop tangs. Use of this type of air bag system will void all block warranties and can cause failure of the block bump stop tang.

Not saying it won't work, obviously you're using them - but it doesn't give me a great feeling. While I know it very likely won't fail, I don't want to find out with 2 sleds on the deck and be like "See, I shoulda got the other ones" because I read it before hand haha.

I did ask BDS about their block and they said they have guys using them with inboard bag setups, and don't have any restriction like ReadyLift is listing.

I know, it's all steel with a wing welded on.

Originally Posted by mwheue
Probably going to end up going this route, but they'll be north of 300 CAD by the time they get here. I just wanted to see if there was a factory option set at 4", to be used with say the heavier leaf packs or something.

Originally Posted by John17f250
Mine is 3.5
Just measured mine to check - 2017 Lariat F250, 3" on the nose.


c
 
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Old Mar 31, 2019 | 07:51 AM
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On my 2017 F350 the rear blocks measured roughly 3 1/4 inch in the center of the block. You just can’t measure one end because they are tapered. I have the snowplow springs and a 2 1/2 inch ReadyLift level. There was no rake at all when I added the level kit and I had a rear squat while towing so I ordered the PMF 4 1/2 inch blocks with the airbag platform. My truck now has just a little rake when unloaded and while towing my bumper pull toy hauler I only have to run about 40 lbs to keep the truck at about 1/2 inch of rake which is perfect.
 
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