My Limb Riser Setup With Pictures and Supply List

KevinMLee

Wannabe
First I want to say that there is no one right way to do Bush Limb Risers. This is merely how I did it and why I chose this method versus all the other methods available.

In this article, I'm going to include pictures, tools I used list, and hard wear I chose to use.

When I first set out to research other trucks limb riser setup, I noticed and considered using P-Clamps (probably wouldn't have held), considered taking 2-piece shaft collars and welding a U-shaped rod to it (too much work), considered just loop tying the end of a cable to the bumper (ehh didn't "look" that great), and even considered just crimping a cable around my front end.

I then spotted someone drilling through their bars and mounting an eye screw to it. And then I thought to myself, how could I make this better. So I spent a few weeks drafting and pondering a set of criteria that would meet my needs or expectations.

1. Had to look clean and (somewhat) professionally done.
2. Had to be modular and easily field repairable.
3. Had to be somewhat resistant to corroding.
4. Had to fit my front bar and my roof rack (In this case, a ARB Front and BajaRack Roof).

So this is the fruits of my labor. Total time took me 5-Hours (a majority of it was waiting for the paint to dry, more about this past the photos).





Tools List:

-Eastern Technologies Drill-Rite Drill Jig
-Electric Hand Drill (In this case a DeWalt 20v MAX Drill)
-No.3 "Swage-It" Tool (Yes there are other tools but I don't Swage that often)
-Masking Tape and Pen
-Debur Tool (One I use with my Reloading Stuff, but a round file will work just as well)
-Combination Wrenches (5/8", 7/16", 11mm)
-Rustoleum Metal Primer Spray Can
-Rustoleum Black Satin Spray Can (I find that this matches the ARB very closely)
-Rustoleum Black Truck Bed Spray Can (I find that this matches the BajaRack a bit better than Satin)
-Nylon block and/or 1/2" Brass Punch
-Blue Lock Tite
-Long Handle P3 Screw Driver
-12-15feet of String/Paracord/etc
-Tape Measure or Other Measuring device
-Phillips Drill Bit P3
-Hammer
-Cable Cutters (ones that can handle 1/8" steel)
-Needle Nose Vise Grips
-1/4" Drill Bit
-Cutting & Tapping Fluid (I used Craftsman #52329)
-1/2"-Drive Socket 5/8"
-3/8"-Drive Socket 7/16", 1/4", 11mm
-3/8"-Drive Universal Socket
-3/8"-Drive Rachet Wrench
-1/2" & 3/8" Drive Drill Adapters

Supples/Parts:
*Where Possible I will get Stainless Steel
-(20ft) of Galvinized Black Nylon Sheathed Cable (1/8" ID, 3/16" OD; webriggingsupply.com)
-(4x) Stainless Steel 1/8" Wire Thimbles (webriggingsupply.com)
-(2x) Stainless Steel Eye & Eye 1/4" Turnbuckles (West Marine)
-(4x) Stainless Steel 1/4" Snap Gate (webriggingsupply.com)
-(4x) Stainless Steel 1/4" thread Oblong Lifting Nut (eBay.com)

Fasteners
*Where Possible I will get Stainless Steel
-(2x) 1/4-20 x 2.5" Stainless Steel Hex Bolt Screw (Lowes; #396458)
-(2x) 1/4-20 x 1.5" Stainless Steel Hex Bolt Screw (Lowes; #396456)
-(6x) 1/4" Stainless Steel Fender Washers (Lowes; #15346)
-(4x) 1/4" Stainless Steel Lock Washers (Lowes; #311725)
-(1x) 1/4" Regular Ol'Nut
-(2x) 5/8" Stainless Steel Quarter Washers (?; Just had them around)
-(4x) 5/32" Zinc Oxide Swage (West Marine)




So now that the lists are done, this is what I did:

**Safety is paramount. Please wear gloves and eye protection at the very least**

1. The first thing I did was take off the BajaRack airspoilers and wind deflectors. This is a must because you won't be able to do any of the following parts, and most importantly, the Drill Jig will not be able to go around the deflectors. This easily done with a P3 Screwdriver or P3 Drill Bit and a 7/16" Combination Wrench.

2. Next with the Rack deflector/windspoiler out of the way, I'm now able to take masking tape and tape up the intended area of where I'm going to attach my "eyes". Be generous, a roll of masking tape isn't at all expensive.

3. Take the 12-15ft of string/cord and tie it to the rack and then tie the other end to the front bumper. This is your guide (rough guide). This helps you to make sure there aren't any other parts of the truck in the way (ie. Safari Snorkel, antenna, etc). I suggest doing the side with the Snorkel first, that way making the Limb Risers symmetrical is a piece of cake to do on the other side.



4. After seeing where I want to mount my Limbs, I went ahead and used the sharpie and marked my drill spot. Don't worry about the other side, thats what the "Drill-Rite" jig is for.

5. Repeat for the other side. This side should be considerable easier since there isn't any obstacles like a Safari Snorkel in the way. I would advise that to keep things symmetrical, try and measure out the first side so its easy to mark it out. Once marked, remove the string/cord from the vehicle. Check to make sure all your "dots/marks" look right because next is the drilling time.

6. Drilling. Lets see if this Drill-Jig is worth the $$. Take the 1/4" sleeve (it comes with it) and mount it in the jig as per the instructions. Line up the hole of the jig with the dot/mark we made earlier. I would stress that you after you tighten down, take a look again to make sure it is still lined up and hasn't moved. **Be mindful of bends in the metal tubing in bars, the jig can't do bends very well (if at all), so plan accordingly. You may have to go back and make new dots/marks.



7. Drill. I would recommend at this time that you use "Tapping & Cutting" fluid/lube on your 1/4" Drill bit. The ARB steel is thick enough that you can dull out and ruin your drill bit. You only need a little per hole that you make, and I would rest between cuts.


8. Deburring. After drilling of all holes were complete, I removed all the tape and tested each hole with a 1/4" screw to make sure it fit (moment of truth, but of course with the jig, its fool proof... sorta). Then a few quick turns of the deburring tool to each hole made them safe to the touch.


9. Bending and fitting the washers. The next part is optional but I think it adds more surface area to each screw/bolt. As physics would point out, more area of contact will spread out the weight distribution of the shock load. Thus, preventing dents if it were to ever come under static shock (like a whipping tree branch). So technically the bigger the washer the better. I went ahead and took the 2 fender washers, a bolt, and a regular nut, and mounted to each hole. Then with a Nylon block and a hammer, I rounded out the fender washers so that they curved with the bars. This way I'm hoping they will provide more contact and more weight distribution spread over more area of the bar.




10. ***This is the hard part of the whole process. Make sure you remember what Fender Washer goes to which hole, and which orientation it was. Since you just "pounded" out a custom washer for that bar, it might be nice to use the correct fender washer after the next step.

11. Painting. Again totally optional but I thought that this would add a bit of custom to it. I sprayed each of the washers with Rustoleum Primer and then the Black Satin or Truckbed to match the application.

12. Painting for Rust Prevention. While waiting for the fender washers to dry, I sprayed each fresh hole I made with a bit of primer (masking each hole of course). This part cannot wait. If you leave bare steel for a even a fraction of a day, you could come back to rust already... then you'll have to wirebrush it or file it out, which makes the hole bigger. Since we are putting hardware over this fresh hole, it doesn't really matter how "pretty" the paint job needs to be, but I would still mask it so that your bumper or roof doesn't splatter out.



13. Putting it all together. It's just a matter of putting everything together now. Screw+LockWasher+FenderWasher>FenderWasher+OblongLiftingNut. In that order (where ">" denotes the "bar").

14. Swage the cable, test it before crimping, make sure you have enough room to tighten down the cables. At this thickness of Swage, remember to swage in three places per crimp.

15. Test and tighten, check the snaps, tighten, check the snaps... don't go crazy on this though...

My After Thoughts

I think that if I didn't have to wait for paint to dry, I would be done in about 3-4 hours. Of course I went slow as to do the job right. In the future, I think I may consider adding black head shrink over the swages on the cable as well as paint the turnbuckle bodies a black truckbed. Of course these are things that aren't necessary but may add a bit of flair to them.

I also know it isn't the cheapest route for Limb Risers, but I decided against cheap and went with a quality parts instead. I know some of you may roll your eyes at this but it is "to each their own".

Again to each their own, and this is just one way to "skin a cat". Let me know what you guys think, always open to new ideas and critiques. :) Hopefully this article will help anyone else considering this mod for their vehicles.

*Edit*
Despite some people objecting to having these cables on while "urban" driving, I decided to keep them on. Some say that it will create wind noise and a whistling when driving high speeds. So far, I've driven 75mph and haven't experienced any noise above my Borla Exhaust system or normal road noise for that matter. I was expecting to hear a whistling of sort, but was disappointed when I didn't hear anything.

Another Edit?

After reviewing the limbs a bit further, I'm thinking that the weakest link of the whole setup is going to be the 1/4" SS Snap Gate Connectors. If these should break, I will consider using SS Quick Link Connectors (found at WebRiggingSupply.com under "Hardware">"Chain Fittings"). Because the Link screws together, all the weight and pressure gets more or less evenly distributed around the link. Heres a photo of what I'm talking about.

m9I3v9cD1s9xfU754W0fSDA.jpg
 
Last edited:

KevinMLee

Wannabe
looks clean. can you open your hood without unclipping them?

Thats one of the things I considered when drafting this up. However, I did run into a problem. I had the snorkel in the way.

So the quick answer is no... you can't open the hood. I thought about that as a problem and then it dawned on me, How often do I actually open my hood? Not often enough to warrant designing it to open with the cables attached.

Besides, the 80-series hood is actually so wide, that it almost goes right to the edge of the fender. That would mean that the cables would need to almost stick a few inches over the fender which means that the window and windshield wipers start to lose protection the further you go out with them. So it would have defeated the purpose of having limb risers on.

In this case, I decided to go ahead and add protection, rather than worry if my hood will open or not. Its actually very fast to take off. 6-8 revolutions of the turnbuckle creates enough slack that I can just unclip the front bar end of the cable... it's just another 30-seconds per cable to undo...
 

FJRanger

I like getting lost...
Nice, I like and may be copying it once I get a few projects out of the way. Well done.
 

RobRed

Explorer
Looks good.

How much pressure does it take to deflect the hardware into the hood (near the front bumper hoop)?
 

KevinMLee

Wannabe
Looks good.

How much pressure does it take to deflect the hardware into the hood (near the front bumper hoop)?

Thanks.

Not to sure what you mean by "deflect", do you mean how much force is needed when hammering the washers to mold with the Front and Rack bars? If this is your question, the answer is, not much. I used about a moderate amount of force with a 24oz hammer and nylon block.

I would highly stress using a large wood/nylon block. This will make the washers curve more uniformly around the bars, and also prevent accidental misses and ding your bars unintentionally (wouldn't want to hit your window by accident with a hammer).
 

SWITAWI

Doesn't Get Out Enough
Very well documented. Now I just need that hardware list you so nicely provided... and a roof rack... and a bull bar... and some trees! Oh, and a snorkel. Gotta have the snorkel.
:coffeedrink:
But seriously, thanks for the write-up! I'll be saving this for later on.
 

RobRed

Explorer
Thanks.

Not to sure what you mean by "deflect", do you mean how much force is needed when hammering the washers to mold with the Front and Rack bars? If this is your question, the answer is, not much. I used about a moderate amount of force with a 24oz hammer and nylon block.

I would highly stress using a large wood/nylon block. This will make the washers curve more uniformly around the bars, and also prevent accidental misses and ding your bars unintentionally (wouldn't want to hit your window by accident with a hammer).

Great answer but not quite my question....

The buckles at the bumper end are close to the hood.... Is there enough deflection in the cable to cause those buckles to hit the hood?
 

zimm

Expedition Leader
Go to a marine supply and shop pipe and rail clamps. Water will capillary into any bolt run thru a pipe, settle at the lowest point, likely a weld, and rust it out. Its why you weld tabs for lights an such on bull bars. Never drill holes.
 

KevinMLee

Wannabe
Very well documented. Now I just need that hardware list you so nicely provided... and a roof rack... and a bull bar... and some trees! Oh, and a snorkel. Gotta have the snorkel.
:coffeedrink:
But seriously, thanks for the write-up! I'll be saving this for later on.

LOL!
 

KevinMLee

Wannabe
Great answer but not quite my question....

The buckles at the bumper end are close to the hood.... Is there enough deflection in the cable to cause those buckles to hit the hood?

Okay... I get your question now. Well the hardwear at 1/4" is rated for about 500lbs. I went ahead and measured that I have about 2.5-inches from the turnbuckle hardwear to the hood/fender area. My short answer is this, I'm hoping for the best that it will deflect any branch/debris/etc.

But when I do crank down on the turnbuckles, the line is very solid granted that you allowed the cable/line a few weeks to relax and hold. Meaning, there is a time period in which you have to break in the line by keeping it tight before it stays taught all the time. Kind of like string instruments, the strings need to relax and break in before they hold their tuned note longer.

While I'm not sure as to how "strong" the lines are, consider this, It's better than nothing. Without "risers" a branch would hit your car regardlessly, at least with a "riser" setup damage can be prevented. Nothing is going to prevent that branch from hitting you, just that at least you have some defense against it coming at you.
 

KevinMLee

Wannabe
Go to a marine supply and shop pipe and rail clamps. Water will capillary into any bolt run thru a pipe, settle at the lowest point, likely a weld, and rust it out. Its why you weld tabs for lights an such on bull bars. Never drill holes.

And you're right. It's an option I didn't explore.

However, the bar on the ARB front end isn't a sealed end, meaning there is a hole on the underside of the weld that attaches to the bumper itself. Any water crossing or "rain storm" would not prevent water from entering these areas to begin with, hole or no hole. For this matter, I stressed the fact that the hole should be primed and painted correctly before any hardwear was to be mounted. In addition, you could use silicon grease around the threadings to prevent further water to create a capillary effect.

Not trying to argue. =)
 

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