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Build up!!!cv ifs 8.8 rear

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Old 05-11-2012, 01:38 AM
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Post Build up!!!cv ifs 8.8 rear

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Old 05-11-2012, 01:48 AM
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Old 05-14-2012, 02:06 AM
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Old 05-16-2012, 01:20 AM
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First rule of any chassis work is never, ever use angle iron for any frame or suspension construction. A you never know where it was manufactured or what the shear strength is.

Just sayin.

Garbz
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Old 05-16-2012, 10:13 AM
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Old 05-16-2012, 01:56 PM
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Riff is going to love that thing. Last time I talked to him he had just learned about the CV swap. I am sure he will be interested in looking over your install. What are you using out back? Live or IRS? Eaton Detroit makes drop springs for the CV IFS. They have both 1" & 1 1/2". You will be very happy with how the truck drives & stops when you get it finished. I used 1/8" plate when I built my lower control arm mounts. Dave at Team321 LLC Ford Truck Independent Rear Suspension (321)960-5945 dheld@cfl.rr.com was building mounts for the lower control arms. Last I talked with him he was looking for people to use them and provide feedback. If I had not had mine in I would have got a set just to check them out. He said he did them out of 1/4" plate. When I do the body off on my truck I may get a pair anyway and replace what I put in.

If you do not have a reasonable place to get the pieces you need for the steering shaft you can check here. I got everything I needed for a little more than what any online place wanted for just 1 U Joint.
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Old 05-16-2012, 03:08 PM
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Old 05-22-2012, 09:29 PM
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Have it fabbed at a local shop. 3/8" CRS pressed to 90 degrees and a gusset or two. will stiffen it up. This is an area you will want no deflection.

I would also consider adding and additional removable cross brace at the attachment point or some bars to a cross member further back.

Here are some center bars and incorporation of the trans mount that will stiffen it up substantially. Fairly easy to do.



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Old 05-22-2012, 10:01 PM
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Old 05-23-2012, 08:34 AM
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Have it fabbed at a local shop. 3/8" CRS pressed to 90 degrees and a gusset or two. will stiffen it up. This is an area you will want no deflection...
3/8" plate for that mount is awful serious. The pieces you need are not that large. The main issue is sheer of the bolts so use quality bolts. Ford didn't use 3/8" anything anywhere on either your truck or the CV. As you can tell by already having a pair in place the distance from the rail is minimal so there really is not much to worry about as far as brute strength goes. I have had no problems out of the 1/8" I used. Those I have seen that are concerned use 1/4".

To have it bent into a 90 when you only need a rise of 1/2" (using 3/8" plate) seems a bit labor intensive as well. There is only a 7/8" drop from the bottom of the rail to the bottom of the mount on the front of the mount. The rear will rest against the bottom of the rail.
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Old 05-23-2012, 03:24 PM
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Old 05-23-2012, 09:49 PM
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There is no over kill to much, The rear lower A arm mount receives all of the braking energy forces generated as the suspension tries to tuck the front wheels under. The frame section on the Vic is double the size of a stock ford truck rail and fully welded in this area and has a additional forging inside the rail to pick up the mounting bolt points.



It is hard to see but the lower A arm rear mount will receive all the forces.



The frame rolls out at the aft mount towards the rockers to pick up the dual front body mounts.





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Old 05-24-2012, 12:08 AM
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There is no over kill to much, The rear lower A arm mount receives all of the braking energy forces generated as the suspension tries to tuck the front wheels under. The frame section on the Vic is double the size of a stock ford truck rail and fully welded in this area and has a additional forging inside the rail to pick up the mounting bolt points.

Garbz
Where do you get your information? Take a torch & cut the CV rail. It is at most the same thickness as the truck. No foam core. No double wall. The force you speak of affects sheer on the bolts as long as sufficient material is used for the mount itself. The mount on the CV might be at the most 3/16". The isolator for the mount is extremely flexible so whatever force is sent rearward there is built in flex.
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Old 05-24-2012, 12:53 AM
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Thickness has nothing to do with it, The formed boxed section provides the strength along with forged fitments inside the rails.

Wonder what is inside the CV rail? Apparently you have zero clue. Pics by rusty 63.







You keep insisting on spreading the fallacy that this suspension swap is safe and easy.

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Old 05-24-2012, 01:10 AM
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