3.4 Swaps The 3.4 V6 Toyota engine

3.4 swap problems?

Old Jun 12, 2014 | 05:34 PM
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3.4 swap problems?

Well, I've been "in the middle of" my swap for about a month. I just had a few questions that I cant seem to find the answer to anywhere.
First off, what all do I need to keep in the engine bay? its a 92. heres a pic of the bay. it would be awesome if someone could edit it and circle what stays and what goes. Name:  IMG_20140512_182212854.jpg
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Second, does anyone have a picture of their converted harness?
That's all I can think of at the moment. Thanks in advance guys and girls
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Old Jun 14, 2014 | 04:28 PM
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Nobody?
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Old Jun 14, 2014 | 05:34 PM
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Depends on what you wanna keep... Cruise....A/C. Pull the 3.0 engine harness all the way out including the ECU. You'll need to get one made or buy a new high pressure power steering line....and some other things. Read off road solutions write up about this swap along with everyones on here. Thats the way i figured everything out and probably a lot of us swappers. Im getting a harness made thru toy-only-swaps
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Old Jun 14, 2014 | 05:48 PM
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Have you read the stickies? Pretty much everything has been covered on what needs to be done. Don't throw anything away till your up and running 100 percent.
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Old Jun 14, 2014 | 05:48 PM
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harness is out, ecu is in the floorboard. id like to keep cruise. why do I need a new line? I meant do I need to pull the vac. block? because I do have the 3.4 block.
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Old Jun 14, 2014 | 05:51 PM
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I have,but no one has posted as to what to keep.
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Old Jun 14, 2014 | 05:54 PM
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Originally Posted by runnerruning
I have,but no one has posted as to what to keep.
Depends what you want to keep. A/C, heat, cruise control. You can go bare bones or all out looking factory.
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Old Jun 14, 2014 | 06:01 PM
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heat will stay. I do have a wiethat is incredibly cold natured. cruise too.i mainly meant all the old vacuum stuff.
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Old Jun 21, 2014 | 08:54 AM
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Everything in red is either going or gone. I could use the vacuum diagrams for a 92 runner and a 97 taco if you have em. I have no clue about the wiring, so ill get to that when I get to it I guess
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Old Jun 21, 2014 | 11:35 AM
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The 3.0 air box has to go (replaced with the 3.4 version), the 3.0 power steering pump has to go (replaced with the 3.4 version and a custom hose), the evap system depends on your local state's emissions requirements, either keep the 3.0 and hook it up as described in Elvota's swap thread, or swap in the 3.4 system.
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Old Jun 21, 2014 | 04:54 PM
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I'm going to a pullapart in a week or so, gonna get a p.s. pump. Any suggestions for the hi pressure lines? I almost had it in today then realized I had to mess with the fuel lines and trim up my crossover pipe. What did you do with the fuel lines SacRunner?
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Old Jun 21, 2014 | 04:57 PM
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Have you flipped the fuel lines yet? That's all mine needed
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Old Jun 21, 2014 | 05:11 PM
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I've been trying to figure all that out. I'm not supposed to mess with the hardlines on the body right? Only on the motor correct?
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Old Jun 21, 2014 | 05:12 PM
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do you have a picture of your flipped lines by chance?
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Old Jun 21, 2014 | 05:15 PM
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Originally Posted by JasonYota
Have you read the stickies? Pretty much everything has been covered on what needs to be done.
I believe it's in the 3.4 swap 101
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Old Jun 21, 2014 | 05:36 PM
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Just checked, he didn't say anything abt fuel lines in that sticky.
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Old Jun 21, 2014 | 07:18 PM
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Just loosin the banjo bolt where it connects to the fuel rail and flip it towards the passenger side. It may be long enough or you can buy one from ORS. You'll have to get a hi pressure p/s line made or also get one from ORS. I got both a fuel and p/s line from them
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Old Jun 22, 2014 | 07:37 AM
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So can the old line just not handle the new pump?
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Old Jun 22, 2014 | 07:45 AM
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No. The 3.4 p/s pump has a different connection on at the pump than the old 3.0 line which is banjo style. You can reuse the old 3.0 return line but you'll need to buy or get a hi pressure one made up with the right connection ends
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Old Jun 22, 2014 | 07:48 AM
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I used the 3.0 banjo bolt on the 3.4 pump or something like that. Didn't have to buy anything
This is for the power steering pump
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