need rear block help
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need rear block help
My son wants to lift the back of his 2006 f-150 4x4- 2"s. can he stack a 2" block on top of the block that's already in there, or does he need one solid block? Was also wondering if you can stack them, would the 2" block I took out of my 87 f-150 4x4 fit on top of the block he has in his 2006.
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I was down at the ford dealer and they have a few new lifted trucks for sale,I looked at the rear leaf set up and they just added a block under the factory one. I'll phone the dealer tomorrow and ask about that
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If you are going to stack blocks (which I don't recommend) you have to realize that there are special blocks that have some kind of interlock system so that they don't shift and spit out. I still don't trust them and as I said before, blocks promote axle wrap. I would really look at getting different rear springs. You will be happier with the outcome besides being safer, better handling, and IMO better looking.
BTW, whatever you do don't use blocks in the front!! You may already know this, but I want this in here for someone who may not know. It is dangerous and illegal. Nothing like having your front end collapse while going around a corner when it spits out a block.
BTW, whatever you do don't use blocks in the front!! You may already know this, but I want this in here for someone who may not know. It is dangerous and illegal. Nothing like having your front end collapse while going around a corner when it spits out a block.
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From: Quesnel, BC, Canada
stack em and weld em together, dont leave em 2 seperate pieces. If the rear springs are 3" wide then 86-97 F350s will have a 4" block from the factory. Theres nothing wrong with a 4: block...but there isnt anything good about a 4" block either.
As far as special interlocking yadda hoopla....its called a locating pin and all blocks made for any between leaf/axle application will have them...just depends what the pin size is.
Yes all spring lift is better, many 80-96/7 Fseries had a thin single rear overload spring with lost of arch that will lift the rear if use in the pack as an Add A Leaf...but ride will stiffen.
As far as special interlocking yadda hoopla....its called a locating pin and all blocks made for any between leaf/axle application will have them...just depends what the pin size is.
Yes all spring lift is better, many 80-96/7 Fseries had a thin single rear overload spring with lost of arch that will lift the rear if use in the pack as an Add A Leaf...but ride will stiffen.
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Posting Guru
Joined: Feb 2004
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From: Western New York
Stacking is still not a good idea. Welds could fail. Locating pins were designed to locate a single block between the axle and leaf as you mentioned, but not between two stacked blocks. A single solid 4 inch block is better, but you will still get more axle wrap than the current 2 inch block he has now.
I just don't see the value in being cheap on this when we are talking safety here. If it has to be done on the cheap then buy a true 4 inch block if that is what you need. Don't stack them.
I just don't see the value in being cheap on this when we are talking safety here. If it has to be done on the cheap then buy a true 4 inch block if that is what you need. Don't stack them.
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From: Quesnel, BC, Canada
we had 6" blocks in an OBS F250 with some ladder bars the axle wrap was virtually all gone...before the ladder bars that thing bounced like a jackhammer tho. My F350 with the 4" blocks bounces pretty damn bad too.
