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LV3 swap 1982 Toyota 4x4 Pickup

 
Old 12-11-2018, 07:10 AM
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Default LV3 swap 1982 Toyota 4x4 Pickup

Hello all, I started this swap a few months ago and have been posting at a different website, Yotatech, on a forum there. I should have started it here, as it's not very relevant on the other website. I purchased a very good example of a 1st Gen Toyota 4x4 Pickup a little more than a year ago. Those little pickups came with a 95hp L4 from the factory. Thirty six years later it was probably more like 80. I did a lot of research (not enough) and settled on the LV3. It's a tight fit and some fabrication is at hand. I'll just leave you with some pictures for now. I have to get ready for work.

Here is what I started with: LV3 complete with 6l80 (2wd), all accessories, computer, and wiring harness



It's going into this

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Old 12-11-2018, 08:32 AM
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That is a sweet truck! LV3 looks super clean, is it new or a pullout?
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Old 12-11-2018, 07:29 PM
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Oh hell yes, that'll be a really cool swap, especially if you make it 4wd. Those DI 6 cylinders make V8 power out of the box.
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Old 12-11-2018, 09:39 PM
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Thanks Scott. I looked for quite awhile before I found this one. The motor is out of wrecked 2018 Silverado. The transport truck, on the way to the dealership, crashed and totaled all of the trucks on it. It has 2 miles on it from the factory test drive, I would assume.

00pooterSS, I, in fact, did make it a 4wd. I'll do write some more posts to bring the thread up to date on my progress.
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Old 12-11-2018, 10:26 PM
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Ok, I'll try to do this in the order that I have progressed in the process so far. You know about the motor already. Just some quick background on the entire build. All of the wiring will be new, both chassis and engine harnesses. The front brake setup will be new or rebuilt. It will be converted to an IFS (independent front suspension) front brakes. The earlier 4x4's had so so brakes. The calipers, rotors, master cylinder (from an FJ80) and booster (from the '86-'87 turbo model pickup) will be used. Much improved braking and more clearance for the LV3 heads from that brake booster. I have already rebuilt the solid front axle. I won't go into detail because it's Toyota stuff. I'll try to keep updates on everything relevant to the LV3 swap. The transmission is fairly easy to convert to 4wd. I went with an Atlas 4sp transfer case. For those not in the know, the transfer case is like a manual transmission in that it transfers power from the automatic transmission into two directions. One to the front differential and one to the rear differential. The Toyota pickups have manual locking hubs on the front wheels. These lock in the wheel with the axle. You can have everything in 4wd and the front wheels will not get power until you turn the locking dial. I have stock open differentials (4.10:1), thought at some point I will but at least a locker in the rear differential. The Atlas 4sp has 3 gear shifters. One for the front diff, one for the rear diff, and one for hi and low. All three have hi and low gears. The end result is 10.34:1 reduction (just the transfer case) in gearing. To put that in to perspective, the final gear ratio is 170.83:1. At 800rpm idle (assuming 25lb/ft of torque to the real wheels) it's in the neighborhood 4270lb/ft of torque! It will crawl over just about anything. Going downhill you have the benefit of engine braking...ie complete control of the truck. Ok, now pictures.

First test fit


Axle before rebuild


Axle after rebuild



The unit with the red dial is the locking hub


To convert the 6l80 you have to do three things. Plug those two holes (brass plugs), put a 4wd output shaft seal in place, and cut the output shaft down. I don't have the seal on there yet.



6l80 and Atlas together for test fit


The motor mounts are ICT Billet LT1 to SBC plates with Advance Adpator's SBC universal style hot rod mounts. The vacuum pump has to go. The two oil holes have to be plugged. I had to clearance the block where the vacuum pump mounted to use the motor mount setup.








I'm going to need custom headers made. Ouch. Can anyone suggest a shop in DFW area?



The motor mounts are tacked into place now. (not shown here)


Making new crossmember/transmission mount




And now you are up to date. Issues I have to work through are battery relocation, reworking the wiring harness, computer sent out for programming, fuel delivery, and wiring everything up. I'm sure there will be more things to work through.Once I get the crossmember complete I'm pulling everything back out to strip down and paint the engine bay and front part of the frame. I also need to weld in the power steering pump mount. Oh yea, I'm converting it from manual steering to power steering.

Last edited by Bryan McCall; 12-11-2018 at 10:36 PM.
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Old 12-12-2018, 11:57 PM
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LV3 make for really good swap candidates , efficient , light weight and more than ample power, almost 3 times the original in your case lol .Will definitely breathe some new life into the toyota.
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Old 12-12-2018, 11:59 PM
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What are you doing for the power steering pump ? Thought gen V , didn't come with mounting provisions for one .
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Old 12-13-2018, 12:53 AM
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I went with the Dirty Dingo set up. It moved my AC compressor to the top passenger side, alternator to top driver's side, and added a spot for power steering pump.



To swap this engine, the vacuum pump has to go. I'll be running an electric vacuum pump.
https://leedbrakes.com/p-33752-leed-...pump-kits.html
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Old 02-07-2019, 10:11 PM
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Any updates on this awesome project? I'm working on a LV3 into a Jeepster Commando.
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Old 02-08-2019, 12:21 AM
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Hey Benderff, I haven't had time to do much. I started some wiring on the chassis. It turns out that is extremely slow work. All connectors are being soldered. Most of my time is sitting there thinking about where to put all of the stuff that needs to go into the engine bay and how running wires everywhere correctly and aesthetically as possible. It's not a show truck, so I'm not too worried about the latter. I got the pinout of almost every connector and the CPU. A long time friend hooked me up with the GM maintenance website. Let me know if you need and pinouts. I'd just need the VIN of the vehicle the engine came out of. I think I stumbled onto a huge money saver yesterday. A set of custom headers will set you back $1600, so, I was looking for alternatives and ran across a turbo log made from a stock exhaust manifold. The stock manifolds dump right on top of my skinny frame. I'm cutting the flanges off and will be welding a couple of 45* schedule 40 fittings that will direct the exhaust where I need it. It'll look similar to a photo below. I have my radiator and fan test fit in and have wired up my pwm fan controller from Derale. I'm cutting it very close to the water pump pulley. I think it will be ok. If not, plan B is get a thinner aluminum radiator built. Issues I still need to tackle are: reworking the wiring harness, making harness to run to the fuel pump and fuel control computer, putting a fuel pump into my gas tank, the rest of the exhaust, programming, and drive shafts from Tom Wood's. I'm sure there are a bunch of other things I'll run across.








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Old 02-08-2019, 12:38 AM
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Here are the CPU pinouts for a 2018 LV3
There are two different pinouts for the black connector. I'll try to get it uploaded soon.


























Last edited by Bryan McCall; 02-08-2019 at 12:55 AM. Reason: broken link
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Old 02-09-2019, 03:43 PM
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Awesome! I like the turbo log idea! I picked up a set of JBA headers but it will be really close still. You are braver then I am with the wiring. I sent my harness and ECU to 208 Motorsports some time ago, unfortunately I think i should have held on to it since its been so long. Great seeing the progress!
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Old 02-09-2019, 04:28 PM
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Very cool project and you have some skill !!
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Old 02-11-2019, 10:16 PM
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Benderff, are you doing a build thread on your Jeepster? I think I've reached a point of insanity with my engine harness. I'm pretty sure I'll send this one out or buy a stand alone from one of the reputable businesses. Plus, there is a lot of family stuff going on right now. Still working on the chassis wiring. I'm learning most of this electrical stuff as I get to is.

One fast Z06-thanks man. I had some good teachers and I retained some of it.

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Old 02-13-2019, 08:31 PM
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Bryan, I have a pretty weak build thread started on jeepforum, but there hasn't been much progress. We sold our house and are in the process of building a house and shop, plus family life, and work. Seeing your progress is a nice kick in the tight direction. Great to see the updates. I'm sure you know Howell makes a harness for the LV3. I'd like to recommend 208 Motorsports because he does solid work, but the time line and lack of communication have made things difficult.
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Old 02-17-2019, 10:46 PM
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Ok...I finished the driver side exhaust manifold....minus a flange.











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