3.4 Swaps The 3.4 V6 Toyota engine

Vasinvictor's budget 98/3.4/Auto into 95/3.0/Auto

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Old 12-30-2011, 08:17 PM
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Vasinvictor's budget 98/3.4/Auto into 95/3.0/Auto

I feel like I'm far enough along to start posting pics of progress. Purchase price of the 95 with a beautiful body/paint was $600, 97 4runner doner for $600. Looks like we got a budget swap here
1995 4runner bad bottom end 3.0/auto $600


Cherry picker (normally a turbo diesel Kubota )

Where most of the swap will take place, my backyard

engine bay cleaned up, keeping ADD VSVs for now, keeping the still charged A/C system, stock 340h transmission coming out tomorrow

extending battery line to relocate

black beauty pulling doner home today, 97 4runner 3.4/auto $600. It was "donated" to the city carnival to demonstrate the "jaws of life". I was assured nobody died in here.

motor all there, turns over and has compression

dang, these 3rd gen ECUs are stuffed up in there! Unplugged engine harness and cut off necessary body plugs to make my conversion harness adapter then pulled the engine harness thru the firewall

going to make a harness adapter so I can easily solder at my solder station (kitchen table)

Wiring progress

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Old 12-31-2011, 07:40 AM
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Another one in progress!!

I think thems my fingers!!
Old 12-31-2011, 12:11 PM
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Them is your fingers! I need to go ahead and thank you big time. Your post and video is an awesome reference. Plus you are always helping everyone with their swaps. There are more people that need to be thanked too for their contributions, but though I'd hit you up since you commented.

Got transmission and transfer case out- It's 66* outside so going to take the kids to the park.


Old 01-01-2012, 07:34 PM
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Doner = handled. Everything is unbolted and waiting to be picked out. I'm going to remove the engine and trans as one unit, and drop right into my 95- at least that's the plan.


Old 01-02-2012, 05:50 AM
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I see lots of "-" where pictures should be

:wabbit2:
Old 01-02-2012, 08:10 AM
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Fixed. I was fiddlin' with my privacy controls last night...
Old 01-04-2012, 11:39 AM
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I got the center console and stock shifters removed. I also removed my rear heater and associated lines. Here's my cardboard template to fit the '97 shifter/console piece

'97 auto shifter in place

Going to weld the '97 brackets to the floor to fit the newer console- gaining cup holders My wife is going to try to recover the console lid, what a sweetie.
Old 01-06-2012, 05:58 AM
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Got the Kubota picker back and got the 3vz up on the stand


Started harvesting parts to go onto the 5vz There were lots of metal "things" in the 3vz oil pan as well as oil that looked/felt like 90wt gear oil.

I feel like I should be asking questions, but you guys have so thoroughly covered everthing, I have always been able to search to find my answers!
Old 01-11-2012, 11:53 AM
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haven't been working on it as much as I'd like but I got the doner motor out and sitting on the table. I'm not going to separate the engine and tranny unless necessary.
Old 01-14-2012, 09:48 PM
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Started hacking up the crossover


Hacking, literally. I used a hack saw 100% to remove the flanges and make my cuts. The welds are soft and it took about 1 hr total.


Cuts all made


Test fit, and for whatever reason these match up perfectly!


Other side will only need minor grinding to fit, doesn't look like I'll need any extra pipe


I'm going to have to relocate these tranny wires, or heat shield them. Same for the kickdown cable. It's pretty close too.




Old 01-15-2012, 01:45 PM
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lookin great so far!
Old 01-16-2012, 07:37 PM
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Tacked up. It took a very minimal amount of grinding. Mark, tack and repeat until this:




All welded up


I will say that it was hard to get the hang of welding that thin gauge exhaust pipe to that thick flange. It's pretty easy to spot the first flange I worked on

Old 01-17-2012, 05:00 AM
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Nice job! It's allways definantly rough trying to weld thin metal. What type of welder are u using?
Old 01-17-2012, 05:25 AM
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A $100 Harbor Freight flux core welder. A little messy compared to my old Lincoln arc welder but pretty impressive. (for the price)
Old 01-17-2012, 07:59 AM
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Nice! I actually was going to get one of those I also have a lincoln arc welder which works good but not so much on the thinner stuff. I got a coupon from H&F for 89.99 so I think i'll go get one... Good luck to you. Hope to see ur rig finished soon!
Old 01-17-2012, 08:09 AM
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Wiring Question

It appears that IH1 18 (Indicator switch to ADD control relay) and IH2 2 (ADD Detection Switch to ADD control relay) will both "Y" to II3 17. Can anyone recall anything similar on your swap? I keep reading the EWDs and coming to the same conclusion. Just couldn't find reference to this in anyone else's post. I may scrap the ADD altogether.
Old 01-17-2012, 05:38 PM
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I would tend to agree with you but I took your plan B and scraped the whole system all together. I ended up replacing the entire front axle tube with a non ADD one because i found a great deal on the whole setup and added the manual hubs.

SOON all that will now get scraped for the coming SAS. Just need a few more "little" things.

You could just wire the VSV's around the ECM however I would think. Its a pretty simple system in that the indicator switches send ground to the ADD control relay to toggle it. I am not 100% sure why the ECM needs to know the vehicle is in 4x4. Maybe someone could help more that had experience with the ADD after the swap. The two I have done didn't have the ADD system. Mine I didn't wire up and the other was a SAS Runner

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Old 01-17-2012, 10:20 PM
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dntsdad, where did you find the front axle tube? I'm taking out the ADD system on my truck this weekend and would like to find the axle tube eventually, for the right price of course, haha. just wondering were you found yours?

Also any info on how to properly install the manual aisin hubs? so i know when i install them they are actually unlocked?


Vasinvictor, i have been following this thread for a little over a week, i love it! great stuff, keep up the good work and hope everything continues to go smoothly!!
Old 01-18-2012, 05:46 AM
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I'm just going to wire the ADD up as above described and see what happens. Thanks for the input.

Put the heat shield back on the crossover. I reused the whole thing except for a 90* elbow that I hacked off. It went back on tight, but I wonder if it's going to come loose and rattle all the time down the road?



Got 3.0 oil pressure switch installed. The 3.4 connector is a direct fit.



And my "DOH!" moment of the night. That's the '98 dipstick plug that needs to come out so I can put in my 3.0 stuff. I have to lift the engine anyway to pull off the oil pan. I'll just beat it out then.


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Old 01-19-2012, 06:51 PM
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Finally got a bath and hanging up nice and high



5vz stuff coming off



Fixed my boo boo from the other night. This 1/4" driver seemed to be the perfect tool to pop it out backwards.



Odd angle, but 3vz pickup, baffle, and pan on. Didn't get a pic, but motor mount and dipstick tube is on too. The oil pickup gasket tore, so I just put a FIPG on it before bolting it down. I don't see why that wouldn't work.



I think it's ready to drop in the hole!


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