F350 Tremor Build

Hi All,

I wanted to introduce my families build.

A bit of background. We use our truck as a support vehicle for just about all the outdoor activities from whitewater rafting to bow hunting with a fair amount of moto, mountain biking and skiing in between. We camp about 30-40 nights a year in the GFC, about 2/3 of those with our 3.5 year old. Over the last 20 years I have had pickups with toppers, two transits, a tundra with a FWC and most recently a Ram 2500 with a GFC. Each has very real pros and cons.

We ordered a 2025 F350 Tremor from Granger Ford. This was the first time specing a brand new vehicle and Granger was great to work with. We ended up with a lariat with a few key features: dual alternators/battery, upfitter switches, tailgate step, vinyl floor (rather than carpet), and adaptive cruise.

We went with the gas powertrain for a few reasons. Primarily maintenance, upfront cost, and most of our towing is <5000lbs (aluminum fishing boat, raft, drift boat). A more difficult factor to characterize is driving feel. I have driven a bunch of diesel full size trucks over the years and I don’t really like the feeling of all the extra weight in the front end, especially when off-road. I never thought I’d call an F350 nimble but the 7.3 is certainly more nimble feeling than the diesel variant.

The truck is spectacular so far, though I am less than impressed with the Goodyear Duratrac tires. More to come on that.

I had the chrome accent on the steps wrapped with PPF. This was purely cosmetic but I didn‘t really like the chrome detail on the step on an otherwise chrome free truck.

Last week I drove to Bozeman to get our GFC put on. This is our second GFC and we love them. Our experience has been that the GFC is light, unobtrusive, and complements our activities rather than forcing us to work around the camper all the time. Our FWC was a good example of this. Great to camp in but kinda terrible for hauling our stuff around. We went with no windows after having one with front and back windows. Mostly they were dirty all the time and let people look at what you have in the bed. We like to drive into Baja and figured less visibility is better. So far no regrets! The install process at GFC was awesome. I’ve had a fantastic experience with both campers.

Our future plans include a few upgrades that I think are high yield. We travel solo a fair amount and do enjoy spending time in baja. Maxtrax for sure and likely a winch are coming. I am leaning toward the Ford/Warn factory option. I tend to favor OEM where I can, especially with a brand new vehicle.

I have spent a ton of time researching Carli suspension and may eventually go that route. I am interested in the new fox 2.5 performance with HTO. This would get me some better heat dissipation without a lift, which on this truck I definitely don’t feel like I need.

I am also working on a storage system for the back. We have run decked drawers in our last few vehicles and love their product though I think there is some opportunity to make it work better for our needs. I spent the last few months while waiting for the truck designing a drawer, fridge, water, battery system that will bolt in using factory threaded locations. Ford was generous with sharing their CAD data and I anticipate fitment will be near perfect. These drawers are being built with 0.100 aluminum, formed by a local sheet metal manufacturer that works on projects for the aerospace industry. I’ll get more CAD images uploaded once the design is final. I have a few things to check now that the truck and topper are here.

I have learned a ton on the GFC forum over the years and want to share my own project. Hopefully it helps someone else!



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How cool is that. I mostly work on older vehicles where CAD is not available. Being able to get real OEM CAD would open up so many possibilities.

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This looks like it will be an interesting build!

Yeah- it’s incredible and allows me to get 99% of fitment sorted before first prototype. Definitely saves some time and money!

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Is there a link to find them? love it!

A few updates; I built out the interior and just got back from a two week trip thorough Colorado. The drawer system worked amazingly well, so much more convenient than what we have had in the past! That REDARC stuff is rad and kept the fridge/freezer running despite multiple days of 100+ degree temps.





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Awesome build. Hope you can find some time to document your solar/battery setup!

Alright, 12K miles and about 35 nights in the new setup. So many thoughts but in short, it’s been fantastic!

Truck: Went back for a few recalls. Changed oil at 1k, 5k,10k and now running full synthetic. It goes really well and I feel like around 7500 miles the engine really broke in and feels like it has much more power than I perceived when I first got it. The tires have also broken in and while I still don’t love them they are fine… They have done quite well aired down off-road. Running 48-50PSI front/rear and that seems like the sweet spot. If I had to buy another truck tomorrow I would go out and purchase exactly the same vehicle, with the same specs. Not sure I’ve ever been able to say that with a pickup before.

Camper: This is my second GFC and I used the first one a ton, no major surprises there. The latches are different, still finicky which is quite annoying, a second nylock nut and dab of loctite keeps the latches from loosening. My friend just got a V2PRO about 3 weeks ago and it looks like they finally settled on a better latch option with the most recent version. With the new tent and thicker mattress it is quite a bit tighter to close. So much so that I am nervous to install the headliner. Still doable but requires a pretty deliberate tucking process with the tent and more force to latch than my last one.

Interior: I think I mentioned this above but I really designed this for my family and what we do so not shockingly it met our needs really well. I didn’t have a great water storage solution and was kinda annoyed getting the Dometic go jugs from the front storage hatch when I wanted to just pull over a fill a water bottle or top off a water bottle before hike/bike/run. I also didn’t like some of the latches I picked for the larger hatches. The small round slam latches were the clear winner. Laser cut and CNC formed aluminum is definitely the way to go for something like this. It doesn’t care about getting wet. It doesn’t expand or contract. The rivets are rock solid and the tight tolerances make the hatches and drawers a pleasure to use. It also has gobs of space and doesn’t weigh a ton. We sat out a few really aggressive storms in the back and it was awesome to be able to hang out in there AND easily get all our stuff. The REDARC BCDC, Alpha 150ah battery and switching unit performed flawlessly. Seriously it ran all summer without doing anything on my end. The battery rarely dipped below 75% and I never needed to hook up my solar. That is will charging a slew of apple devices for 3 people, running, the fridge, lights, and charging my Anker brick that powers the starlink (rarely used). I don’t use induction or an inverter, so take all this with a grain of salt if you have higher demands.

I am currently designing a version that goes down just one side and then puts the fridge in the front. Kindof An “I” shape that converts to an “L.” I found myself a few times wishing that I didn’t have as much furniture in the back of the truck during day to day truck/hauling activities. I think this is fairly purpose built for recreation and folks who do longer or very frequent trips (or who can afford a standalone adventure vehicle). Now, I want one that keeps all the same functionality (storage, batteries, water), a bit scaled down, but leaves bout 60% of the bed wide open. Currently working on that in CAD. I can see running that one as an everyday solution and then using the full setup for our bigger trips where we are really living out of the truck. Maybe just leave it in all summer?

I used a Milwaukee M18 inflator for tires this year, It’s alright. I think I might go with an ARB compressor next and would love to try to integrate it into the furniture.

I received a bunch of good feedback over the last few months and have had a bunch of fun designing and making the modules. I think when I get the design locked down I might see if anyone else wants to buy something like this. I purchased a URL www.coniferoverland.com. I still have a day job so it will be pretty niche but we will see where that goes!

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One of the cleanest, best-executed build-outs I’ve seen in a while. Did you do the laser cutting and CNC forming yourself, or did you use a resource like SendCutSend?

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I used OSHCUT for the big parts because send cut send limits part size. I have a local mfg that built kinda the first prototype for me. They are fantastic but basically doing me a favor and trying to fit my one-offs in between bigger jobs so I lean on SCS and Oshcut for virtually all prototyping work where able then have the local guy build things in multiples. They do outstanding work. CLSFab.com

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