Build What did you do to your Land Cruiser/Toyota/Lexus 4X4 this week?

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Polished and waxed the old gal

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Had to do it, downsized from heavy XD wheels and 33" MT to these 2021 Tacoma TRD wheels and tires. Took the 80 to Horseshoe dam and had a hard time climbing that sandy road back out, that was the last straw.

Now she it back in the intended rpm range, got her power back and runs SO much better. The 3FE is as tuned as it can be, had to look elsewhere.

They are tucked in a bit but I am not a fan or spacer so it will stay as is. The tires are Goodyear Wrangler Kevlar so no need to change those for now, may eventually go to 285 but for now this is a good setup.

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Long time ago I was running 33X9.50X15 BFG ATs on my 89 FJ62. The lack of power on hills was a joke. It had P225X75X15 previously. Changed out to 235X75X15 LTs. Could only find passenger tires in 225 and wanted light truck tires. Made it work 31X10.50X15s once it moved to the high country.

Those tires are now dry rotted and switched to these 16" which are what ever the stock size it for 3rd gen 4Runners.
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Finally got around to buying some cheap center caps to cut out for the found hubs. Reading the reviews for the caps see losing them is a very common problem. Comparing them to OEM caps see the steel tabs the snap them into place are too long and will requiring being ground down to keep them in place. Didn't see any reason to cut out the center of OEM caps with the Toyota logo when these were a little over $20 for four.
 
I added a 100ah lithium battery to my system. I've had a Batteries Plus X2 Group 31 AGM for several years and running all of my aux power needs off of that. With a 100ah AGM, you really only have about 50ah of useable power without killing the battery. It's served me pretty well, and never ran it too low to not crank the truck. I've had 100w solar panel mounted to my RTT for a good portion of that time, and it has always kept the battery topped off, even when parked for multiple days with the fridge running. However, I still had some anxiety and wanted to increase my capacity. I considered just getting another AGM since an off the shelf 100ah lithium can cost anywhere between $600 and $1000. At best any cheaper AGM would cost around $200 and might only give me another 25ah.

So I considered building a diy 100ah lithium battery. I purchased four raw 100ah cells and a battery management system (BMS) for about $300 (could've been $200, but I splurged on a BMS with bluetooth and a low temp cutoff. I assembled the cells in series and mounted the battery and bms in a Harbor Freight plastic ammo can. The whole thing weighs probably 15lbs, which is a considerable savings over another Group 31 lead acid battery. I added a 120a breaker on the inside and a Anderson plug to connect it my truck's electrical system. The starting battery and lithium house battery are connected to the same power posts in my electrical panel in the cargo area. I can flip the breaker switch on my starting battery and connect the lithium, or I can pull the lithium out of the truck and reset the breaker on the starting battery. My solar and shore power chargers will charge whichever one is connected.

We'll see how it works long term.

Here's a pic of the cells as they arrived
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Balancing and fully charging the cells in parallel

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Capacity testing with fan device on the left, BMS on the right, and cells connected in series in background
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Battery fully assembled inside plastic ammo can
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Mounted on platform next to electrical panel in cargo area

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I added a 100ah lithium battery to my system. I've had a Batteries Plus X2 Group 31 AGM for several years and running all of my aux power needs off of that. With a 100ah AGM, you really only have about 50ah of useable power without killing the battery. It's served me pretty well, and never ran it too low to not crank the truck. I've had 100w solar panel mounted to my RTT for a good portion of that time, and it has always kept the battery topped off, even when parked for multiple days with the fridge running. However, I still had some anxiety and wanted to increase my capacity. I considered just getting another AGM since an off the shelf 100ah lithium can cost anywhere between $600 and $1000. At best any cheaper AGM would cost around $200 and might only give me another 25ah.

So I considered building a diy 100ah lithium battery. I purchased four raw 100ah cells and a battery management system (BMS) for about $300 (could've been $200, but I splurged on a BMS with bluetooth and a low temp cutoff. I assembled the cells in series and mounted the battery and bms in a Harbor Freight plastic ammo can. The whole thing weighs probably 15lbs, which is a considerable savings over another Group 31 lead acid battery. I added a 120a breaker on the inside and a Anderson plug to connect it my truck's electrical system. The starting battery and lithium house battery are connected to the same power posts in my electrical panel in the cargo area. I can flip the breaker switch on my starting battery and connect the lithium, or I can pull the lithium out of the truck and reset the breaker on the starting battery. My solar and shore power chargers will charge whichever one is connected.

We'll see how it works long term.

Here's a pic of the cells as they arrived
View attachment 2685563

Balancing and fully charging the cells in parallel

View attachment 2685562

Capacity testing with fan device on the left, BMS on the right, and cells connected in series in background
View attachment 2685559

Battery fully assembled inside plastic ammo can
View attachment 2685560

Mounted on platform next to electrical panel in cargo area

View attachment 2685561
You have any reference info for building our own batteries like this? Very cool setup.
 
You have any reference info for building our own batteries like this? Very cool setup.

Will Prowse on YouTube is a really good resource. He also runs a forum DIY Solar Power Forum - https://diysolarforum.com/

If you decide to go this route, I'd be happy to offer any assistance. I bought the load tester and a bench power supply as well.

It's pretty easy to go down the rabbit hole. I did this in anticipation of doing a bigger project in the future.
 
Will Prowse on YouTube is a really good resource. He also runs a forum DIY Solar Power Forum - https://diysolarforum.com/

If you decide to go this route, I'd be happy to offer any assistance. I bought the load tester and a bench power supply as well.

It's pretty easy to go down the rabbit hole. I did this in anticipation of doing a bigger project in the future.
No kidding!! This is perfect, thanks. I have some plans to do an off grid cabin on some property up north... this is quality stuff.
 
Got my moms old 100 series done up. Still have to put the sliders on, rear locker in and a few little things. Might make a skid plate for it. Came out nice

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also got the new beadlocks mounted up and on the lx. Had to prep it and weld the coil over tower back on so I can move it before the fires get here.

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My Aussie 12.5 gallon auxiliary fuel tank has crossed the Pacific to Idaho and has arrived into Phoenix (Scottsdale to be explicit) for installation by AZ Toys Pro starting on 5 July 2021. They will also install the Firestone airbags inside the rear coil springs and wire in the Tuson trailer brake controller.
 
I was in Portland last week and walked up on this…
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