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#51 |
Registered User
Join Date: Dec 2015
Location: edgewater bc
Posts: 32
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Re: Amp Research Powerstep
I am thinking on trying this out over the winter. Wondering what part number to order? Is it just the wrangler jk 4 door 2007-2018? With some modifications as per the thread? Also interested in seeing finished pics.
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#52 |
Registered User
Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
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Re: Amp Research Powerstep
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#53 |
Senior Member
![]() Join Date: Jul 2009
Location: SoCal
Posts: 206
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Re: Amp Research Powerstep
Well, after reading this thread a few days ago, it provided enough info to help me figure out an issue with my current steps plan. I have some older Kodiak sidewinder steps that I was hoping to install on my rig but the damn rocker boxes messed up everything so to avoid way too much re-fabbing I started searching for jeep wrangler electric steps and found a set locally for a great price, so I drove 2 hours to go get them.
They are made by Aries automotive...: https://www.ariesautomotive.com/runn...running-boards so, although I can't use the same brackets as they were for the Wrangler 4 door version, my friend who is a fabricator said they would be alot easier to install than the sidewinders, so we are going down that road. We may have to use nutserts and make new brackets and of course cut some of the length off one end since the end caps are removable.
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******************************************** In-work on my 5.3L/4L65E/NP208 case conversion into a 1972 GMC JImmy 4x4... Not as simple as it looks folks.. ![]() Last edited by amcgeh01; 02-20-2022 at 03:57 PM. |
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#54 |
Active Member
![]() Join Date: Feb 2011
Location: Deep South Texas
Posts: 116
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Re: Amp Research Powerstep
Those boards look good. When we made the brackets that hold the boards we connected them to the bottom of the cab not the frame. I was concerned about the frame twisting and flexing on turns and such. Just something to think about. Good luck
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#55 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
After having this particular project sidelined for a couple years because of a bunch of other projects ...oh, and a global pandemic... I'm finally ready to go! I ordered the Amp Research 75122-01A configuration for a few reasons:
- Brackets shouldn't require machining since they seem to mount horizontally - Uses default ground-switching to trigger instead of OBDII - Default step width is pretty close to the rocker-length on a '72 K5 - I thought the rounded step profile better matched the K5 than the sharper flat/edgy profile I think I'm going to take a similar approach to the person earlier in this thread who made a plate/angle bracket, but we'll see. Should I document the process in this thread, or a new one? |
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#56 | |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
I would document it here. I’m definitely wanting to do this in the future myself. Hope it goes well for you.
Quote:
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Kirk 72 Blazer CST 4wd highlander |
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#57 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
Giddy up!
It'll be a couple weeks till I get to designing and fabricating. I'll document everything here, including prints/designs in case anyone is interested. |
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#58 |
Senior Member
![]() Join Date: Dec 1999
Location: Southern California
Posts: 2,802
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Re: Amp Research Powerstep
Where did you get this set? They seem to be out of stock everywhere. Have been looking to purchase for some time now.
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
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#59 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
Ordered them from Auto Accessories Garage dot com. I was able to get them to discount them too, which is challenging since AMP had a minimum price policy.
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#60 |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
Very nice. Can’t wait to see the progress.
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Kirk 72 Blazer CST 4wd highlander |
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#61 |
Registered User
![]() Join Date: Jan 2016
Location: Hesperia, CA
Posts: 40
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Re: Amp Research Powerstep
Following. Looking forward to the progress
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#62 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
Good progress today. Dry fit and cut-down of the step extrusions. Mounts are shimmed to reflect 3/16" steel for the brackets. Good tight fit! There are some challenges with the stock mounting holes that may require some machining to be perfect, but this looks eminently doable.
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#63 |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
Looks great.
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Kirk 72 Blazer CST 4wd highlander |
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#64 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
I just finished the bracket design and ordered the parts. I'm going for "overbuilt" but wanted to make sure I kept the bracket weight down to ~25lb per side. I'm using 3/16" x 8" flat bar stock for the bottom which nicely spaced the steps down enough that they don't hit the body when retracted, and a 3/16" x 4.5" flat bar inside the torsion boxes. I'm welding weld-nuts onto the upper plate and using 1/8" ribs to maximize stiffness. I'll weld everything up and send it off to powder coating before installing.
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#65 |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
Any plans to make more brackets?
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Kirk 72 Blazer CST 4wd highlander |
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#66 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
After a lengthy wait for my stock to arrive, I was able to trim all of my components this weekend, do some of the more precise drilling, and dry fit the assemblies. Now it's time to pickle the steel and get to welding!
Note, in one of these pictures you can see a challenge that isn't obvious when researching the steps - the mounting faces of the brackets aren't actually square! Evidently the pinch welds on a JK Wrangler are angled relative to the ground plane. So, the mounting flange on the bracket needs to be angled too. PITA |
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#67 |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
What are you using to make the cuts?
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Kirk 72 Blazer CST 4wd highlander |
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#68 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
I have one of the 8" Milwaukee metal-cutting circular saws that I'm using for all of the longer straight cuts. Some of the little things I've used a chop saw. For radiuses and things like that I've just been using a carbide bur and an abrasive pad on the die grinder.
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#69 |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
Nice. I have a metal chop saw myself. Definitely looks like good progress.
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Kirk 72 Blazer CST 4wd highlander |
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#70 | |
Collector of Projects
Join Date: Apr 2003
Location: Las Vegas
Posts: 3,106
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Re: Amp Research Powerstep
Quote:
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#71 |
Registered User
Join Date: May 2003
Location: Christiana, Tn
Posts: 8
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Re: Amp Research Powerstep
hi harrij4,
are you planning making these brackets for the steps? i would like them for my 73 blazer, and my 87 k30 thanks kenny 615-476-3330 kenny.jernigan@genmills.com
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67 short stepside 95 suburban 67 camaro rs/ss350 79 scout SSII |
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#72 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
This project is moving along at a glacial pace. All bracket fabrication is nearly complete. However, I realized today that for final fitting (which will determine the inboard-outboard positioning of the brackets and therefore drilling locations in the torsion boxes) I needed to have the steps retracted by the actuators to know exactly how far in they tuck. You see, these linkages sit against little rubber bump-stops both when retracted and extended. So, one needs to know EXACTLY how much the actuators compress the bumpers when retracted to know where the steps will sit against the rockers.
Anyway, the silver lining to this requirement is that I got to hook everything up and test actuation while bolted to the brackets. So far so good! Here's a little video I took https://youtube.com/shorts/jPjJAI9BFsE?feature=share Next weekend should give me enough time to drill everything and weld in the weldnuts. Then it's off to powder coat! |
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#73 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
It wouldn't be a project without at least one "oops". I was test-fitting the interior portion of the brackets when I realized the diagonal rod inside the torsion boxes prevented the bracket from slotting in place. Luckily I was able to trim the back corner and get it to drop down. Then the stupid thing wouldn't sit flush against the outer wall of the box. Turns out there was a bolt hiding out of sight in the corner. Again, luckily it was in a place that didn't interfere with any of the through bolts. A bit more trimming, and boom - perfect fit.
Now I just need to clean/paint the inside of the torsion boxes and then start drilling/bolting. |
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#74 |
Registered User
Join Date: Aug 2018
Location: Santa Barbara, CA
Posts: 126
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Re: Amp Research Powerstep
Brackets returned from powder coating a couple weeks ago. The larger bracket goes on the outside of the torsion box. The smaller bracket with the weld nuts goes on the inside of the torsion box.
I installed everything this last weekend and they work great! I'll try to put together a master guide post with the final prints for all 4 bracket components. |
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#75 | |
Senior Member
![]() Join Date: Apr 2006
Location: Yuba City, Ca
Posts: 1,945
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Re: Amp Research Powerstep
Very nice. I Would love to have some measurements and parts list for what it took to put everything together.
Quote:
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Kirk 72 Blazer CST 4wd highlander |
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