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Old 06-27-2016, 11:26 AM   #1
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Truck Arm Suspension

Good Afternoon Fellas!

I searched through the forum, and could not find any information on Truck Arm/Trailing Arm Suspension for the rear of our 3rd Gen trucks.

I came across the truck arm stuff when I was looking into just doing a 4 link suspension for my 2006. It's an interesting suspension setup that eliminates the need for a sway bar, but a watts link or panhard is still required.

I wanted to do air ride suspension for the front and rear, but I have 4x4, so I figure Coil Over's will be a good fit for the rear for now.

Has anyone set up a truck arm suspension similar to the picture below, or even a 4 link for 3rd gens that I can reference? I know the gas tank will need to be moved, and I just saw a thread where someone executed it perfectly behind the axle with what looks to be a 70's center rear fill tank. I had one that was very similar to what was in the mavericks I used to own.

Any help is much appreciated! I did wear out the search option for a couple hours before posting so no worries there
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File Type: jpg truck arm 1.jpg (42.3 KB, 10 views)

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2006 Dodge Ram 1500 Big Horn Edition

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5100 Bilsteins on lowest adjustable setting
2" Shackle Drop

20"x12" Vision Rage Wheels
Nitto NT420 305/50/20 Tires

Debadged, Tinted Windows, and LED spotlights added to the Hitch.
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Old 06-27-2016, 11:59 AM   #2
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Andler2008




Someone should be along soon to address your question; we have several members that have done suspension modifications. charged392 (Keith) is our resident 'go-to expert' for most if not all intricate questions .
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Old 06-27-2016, 12:12 PM   #3
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Thank you Sir!

I've already been drooling over his build as is. I want to add a turbo to my truck and his build was the first one I saw when I was searching around the interwebs.
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2006 Dodge Ram 1500 Big Horn Edition

5.7 Hemi (Stock)

5100 Bilsteins on lowest adjustable setting
2" Shackle Drop

20"x12" Vision Rage Wheels
Nitto NT420 305/50/20 Tires

Debadged, Tinted Windows, and LED spotlights added to the Hitch.
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Old 06-27-2016, 02:18 PM   #4
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Old 06-27-2016, 03:48 PM   #5
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Welcome that's the first I've seen that particular setup. Amelia Virginia?
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Old 06-27-2016, 04:16 PM   #6
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I personally have not seen anything like that before. I have seen a few people concert the trucks to 4 link rears fairly easily though. I am not running air ride in the rear or I would have done this a long time ago. A 4 link can be had fairly priced even off eBay too. Ebay has some link setups with QA1 adjustables too. If you want to go 4 link simply to get low then you deff have a few mods in your future. Lowering the 4x4 is not really done as the front axles pose and issue when dropped. Lethal Hemi on NAdodge has just finished his complete rear 4 link setup and it's nicely done. The tank will deff need moving. RedtruckVA on here is the one with the old school tank tucked in there. If you need anythinf else let us know.
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Old 06-29-2016, 12:45 PM   #7
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I'm actually in Amelia Ohio Redtruck

I've not seen too many people use the truck arm suspension style, but I'm intrigued by it. I've seen the DIY triangulated and parallel 4 link stuff on ebay, but have not made any purchases yet towards the start of either. I know 4x4 is going to be an issue lowered even with the IFS I have. I've pondered pulling all of the 4x4 equipment out and swapping in some 2wd control arms, shocks and coils, I just haven't looked into it enough. Have any of you seen that done before?

Also, Charged392, I see you make your own traction bars. I'm sure by the looks of it Redtruck-VA can add input too, but I'm wondering what you all use as far as welding equipment goes. MIG, TIG or stick/arc welding? I've used my Hobart 210 for a custom Subframe on a '91 GSXR 1100, a custom box tube swingarm for an 81 GS750 fitted with a hayabusa wheel, and a Hardtail for a 1981 KZ1000. But I've never done any welding for a truck prior to this.

Some of the old hot rodder guys I know that are still around use stick welding for their frames, some use dual shielded .045" Flux, and some use MIG. Just curious as to what you all use that you're comfortable with.
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2006 Dodge Ram 1500 Big Horn Edition

5.7 Hemi (Stock)

5100 Bilsteins on lowest adjustable setting
2" Shackle Drop

20"x12" Vision Rage Wheels
Nitto NT420 305/50/20 Tires

Debadged, Tinted Windows, and LED spotlights added to the Hitch.
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Old 06-29-2016, 02:32 PM   #8
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I'm afraid I'm no help with welding. I use a friends shop when I'm fabricating stuff.
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2003 RCSB, 2wd, "Pro-Street"
6.4L/cog driven V7-Ysi/46rh trans/HTH Truckarm coilover suspension. HP Tuning...

1# 2017 HTC FASTEST HEMI List....
Current 1/4 mile [email protected] (2018)
Current 60' PB 1.351 (2019) mechanical issue for 1/4m

HTC 2018 TOTY

Support vehicle- 2007 QC G56 4x4 diesel
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Old 06-29-2016, 03:53 PM   #9
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I use my 140A mig welder. For automotive you will never need anything hotter than that. I make my own bars currently making two diff designs short and long setups. If you go 4 link or triangulated tou won't need them as those suspensions have there own anti wrap design built in.
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Old 07-07-2016, 11:35 AM   #10
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Wow!

I have been looking around online to kinda get a feel for what most guys are using for Suspension, Frame Brackets, ETC. and always end up finding "Professional Welders" who refuse to use a welder that doesn't burn 1/2 steel at minimum for their vehicle hobbies. Of course these "Pro's" may not have the experience needed to burn 1/4 plate properly with something like a 140.

If you don't mind Charged392, would you care to divulge what Name Brand Welder you're using and the Wire Size? I'm looking at picking up an Eastwood TIG200 AC/DC and a 40a or 60a Plasma cutter to make my own brackets.


Otherwise, Onward to my trailing arm suspension. I'm 60% Truck Arm, and 40% Triangulated 4 Link. Still looking into twist rate of the Rectangle tube steel for the rear arms, and the overall cost associated with the setup. Problem is, I already have 16' of 1.25"x.125" DOM Tubing that I could use for the Triangulated 4 Link that would lessen my up front costs. But Once decided, I will start a Build thread so everyone can follow!
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2006 Dodge Ram 1500 Big Horn Edition

5.7 Hemi (Stock)

5100 Bilsteins on lowest adjustable setting
2" Shackle Drop

20"x12" Vision Rage Wheels
Nitto NT420 305/50/20 Tires

Debadged, Tinted Windows, and LED spotlights added to the Hitch.
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