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Greg

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Also did a Father's Day + install. It was a long haul with the bracket interference and slotting the panels, but the 1EV team did a terrific job with this product, the instructions and videos are great and it is a lot of work to do solo, but the running boards make a huge difference on getting in and out of the truck. A few pictures and pointers:
1) Removing the underbody plastic panels to later slot them, allowed me to verify that three of the brackets did have interference with underbody bolt heads and would need to be modified. Keep this in mind if you plan to just drill the 4" clearance holes.
2) While the templates are great for cutting out the slots, just verify the location of the bracket by holding up the plastic panel and making a simple mark as to where the bracket is relative to the panel. Once you have this mark, the templates located along certain edges of the panels work perfectly. One tip, mark the location of the ends of the plastic panels (small strip of blue painters tape on the side of the truck), so it is easy to hold the panels in the correct, front-to-back location, to mark the brackets on the panels after bracket install. I didn't do this before removing the panels, but it would have made things a bit easier.
3) I slotted and tapped over the openings with Gorilla 4" waterproof roofing tape (search in this thread as someone else recommended). Amazon https://a.co/d/aCD7QXN. This probably wasn't necessary with the slots, but could work well with the 4" holes, just find a slightly wider version of the roofing tape.
4) I added the welting along the edge of the running board top plate. I think this looks nice and protects the edge of the plate, but having been in and out of the truck a few times, your foot lands very near the edge of the plate, on the welting, so not sure how long it is going to last. It looks good, but we will see how it lasts.
5) If you take on the installation solo, a small plastic trash can or similar (search for something about 15" high) can support the running boards to get the first few bolts installed. Amazon: https://a.co/d/9A7NvKh. This worked for me in 'Off-Road' mode and at the highest suspension setting.

Thanks to everyone that shared their comments on this rather lengthy thread, but special thanks to 1EV who created a really nice product, thought through the assembly and still supports us when things out of their control (exact location of every bolt hole) make this a bit more difficult. Also, special thanks to 1EV for putting up with all of our 'feedback' and 'shipping encouragement' along the way.

Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8670


Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8667.JPG


Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8666


Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8665.JPG


Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8664.JPG


Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8660


Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG_8659
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AleCS

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In the Seattle area I rented a bay for 2.5 hours (~$150) from https://stewsgarage.com/ and did the install with a friend. It was fun and easy. Putting the car up on a lift helped a ton and made it easy. Using an air gun to get the bolts on and off was also super fun. I drilled the holes to install.

IMG_4576.jpg


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I am in WA as well, (well, Sammamish area) and holding order #2051 for sliders, so I assume I should be getting mine pretty soon. According to EV Sportline, sliders are easier to install. We will see! I just opened a Maaco in Burien, so I will report back once the job is done!
 
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3) I slotted and tapped over the openings with Gorilla 4" waterproof roofing tape (search in this thread as someone else recommended). Amazon https://a.co/d/aCD7QXN. This probably wasn't necessary with the slots, but could work well with the 4" holes, just find a slightly wider version of the roofing tape.
Thanks for the super detailed write up with tips! I've been thinking about the waterproofing aspect of this install as well - do we know if the stock plastic panels are sealed? i.e. could water get in there anyway if you went fjording, for example? And if water can get in, then wouldn't leaving the slots open for drainage be the better play?

Attention! R1T Running Boards are now IN-STOCK now! (Square Design Plate)
Nice! Any updates on R1S boards? I'm order #58xx, placed about 2 weeks back. EDIT: I heard back from your website chat, thanks!
 
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jjswan33

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@EV Sportline - The rock sliders look to be coming along nicely. Full disclosure I didn't read all 118 pages of this thread but what is the final weight on the R1T sliders?

Any chance you are going to make sliders without the step, I know it was discussed as a possibility early on?

Anyway they are looking good, I will keep an eye out and possibly order when they are more available but worried about the weight as I already am pushing the trucks payload rating a bit.
 

Greg

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Thanks for the super detailed write up with tips! I've been thinking about the waterproofing aspect of this install as well - do we know if the stock plastic panels are sealed? i.e. could water get in there anyway if you went fjording, for example? And if water can get in, then wouldn't leaving the slots open for drainage be the better play?



Nice! Any updates on R1S boards? I'm order #58xx, placed about 2 weeks back.
The plastic panels are not sealed. I used the roofing tape to just keep mud/dirt from collecting under them after cutting open the slots.
 

sevengroove

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The plastic panels are not sealed. I used the roofing tape to just keep mud/dirt from collecting under them after cutting open the slots.
Fair enough, that makes sense. Good to know about this option though. I like the slotted look the best so far.
 

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Got er done.

Took about 5 hours. Did the round hole method. Had a few brackets I was not able to sit flush, same as others have noted, but seemed ok and i went ahead and tightened it as is. @EV Sportline should I be concerned leaving it as is or would you recommend i replace those spots with the smaller brackets?

Overall solid construction, looks great, and best of all game changer for getting in and out of the vehicle. Highly recommend.

Rivian R1T R1S Introducing RMaxx Running Boards & Rock Sliders for Rivian R1T / R1S from Team 1EV IMG-4828
 
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Got er done.

Took about 5 hours. Did the round hole method. Had a few brackets I was not able to sit flush, same as others have noted, but seemed ok and i went ahead and tightened it as is. @EV Sportline should I be concerned leaving it as is or would you recommend i replace those spots with the smaller brackets?

Overall solid construction, looks great, and best of all game changer for getting in and out of the vehicle. Highly recommend.

IMG-4828.jpg
Looks great - no concern on the open holes, enjoy!
 

clownsmashd

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Got er done.

Took about 5 hours. Did the round hole method. Had a few brackets I was not able to sit flush, same as others have noted, but seemed ok and i went ahead and tightened it as is. @EV Sportline should I be concerned leaving it as is or would you recommend i replace those spots with the smaller brackets?

Overall solid construction, looks great, and best of all game changer for getting in and out of the vehicle. Highly recommend.

IMG-4828.jpg
I had two brackets that weren't sitting flush before I ground them down. One was on a plastic panel. I would worry that over time the panel might give a bit and thus you might end up with slight movement on your running board. The other was sitting on top of the washers holding down two stacked plastic covers. This one caused the bracket to angle quite a bit. I don't think you'll ever get any give here but all the support is in a much smaller area on top of those washers instead of the frame.

Since you did the hole method you should be able to remove and replace these with the smaller bracket once you get them without much effort. I would recommend doing this even if just for piece of mind.
 

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Getting close to Sliders! Just need my box of hardware to finish!
Sliders.jpg
When are you planning on doing the install? Let us know how it goes!
 

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Got my email about my r1t slider install. Day 1 preorder.
IMG_4603.gif
did you get this installed already? how'd it go?
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