Well, I've been reading around and see that most swaps in the stickies are done on 90 and above rigs. I was hoping for some info specific to the older generation yotas, 84-89.

I've also been reading up on where to get a 3.4 and it looks like a wrecked donor truck is the best bet because it will have everything and may know a little history on the motor.

Any suggestion a specific year of the engine to get. I've read a little about the 96's (I think it was that year) having head gasket issues and starting in 2002 they used a different throttle body setup, which people don't like (again, I think that is right, but not 100% sure).

I've found on wiki that these are the rigs with the 3.4s in them:

* Toyota Tacoma
* Toyota Tundra
* Toyota T-100
* Toyota 4Runner
* Toyota Land Cruiser Prado
* Toyota Granvia

Also, another quick question, can the supercharger kit be bolted directly on to any of them even if it was originally naturally aspirated?

Thanks for any help/assistance. BTW, I live in Spokane, WA if anyone does know of a good donor truck within a decent distance.

How about the motor mounts: does it need new ones, do they need moved etc...?

Can the same tranny be used from the 22r or do you need the one from the 3.4?

Transfer case: Will the transfer need to be shifted forward/backward?

 

Well, I've been reading around and see that most swaps in the stickies are done on 90 and above rigs. I was hoping for some info specific to the older generation yotas, 84-89.

Keep reading, in fact, read as many of the build threads as many times as you can bare to do so. I just recently put in a 3.4V6 from a tacoma into my 1985 22R pick up. Pirate4x4 was a good build thread done by ORS:


http://pirate4x4.com/forum/showthread.php?t=603859



I've also been reading up on where to get a 3.4 and it looks like a wrecked donor truck is the best bet because it will have everything and may know a little history on the motor.

YES, this is the best thing to do. That way youve got everything and it saves a LOT of time. I've had to search and make calls for various parts, its a major PITA.

Any suggestion a specific year of the engine to get. I've read a little about the 96's (I think it was that year) having head gasket issues and starting in 2002 they used a different throttle body setup, which people don't like (again, I think that is right, but not 100% sure).

I've found on wiki that these are the rigs with the 3.4s in them:

* Toyota Tacoma
* Toyota Tundra
* Toyota T-100
* Toyota 4Runner

I'd go with a 98+ personally from one of the above vehicles. Though, if I remember correctly, the t-100's have the correct oil pan on them stock.


Also, another quick question, can the supercharger kit be bolted directly on to any of them even if it was originally naturally aspirated?

Yes, but some modifications are necessary.. mainly with fuel/fuel delivery

Thanks for any help/assistance. BTW, I live in Spokane, WA if anyone does know of a good donor truck within a decent distance.

How about the motor mounts: does it need new ones, do they need moved etc...?

Yes, you will need new motor mounts. Since ORS is no longer in buisness you will have to build your own. If i remember correctly, you MAY be able to buy the engine mounts from toyota (the ones that are welded on the frame) and then uses motor mounts off the 3.0 V6 and bolt those to the 3.4 V6.. that way may work.

Can the same tranny be used from the 22r or do you need the one from the 3.4?

No, the transmission will not bolt up. I'd use the one from the donor. If not, a manual transmission from a 3.0 V6 will work.

Transfer case: Will the transfer need to be shifted forward/backward?

I kept my tranfercases, but had to get an adapter from Marlin Crawler for this to work. Otherwise you will have to use the stock transfercases from the donor vehicle. These were pushed back from stock location. You will probably need a new transfercase crossmember so you can mount it with some flexibility.

Other misc stuff you will need to do is a fuel pump and fuel lines. I used a fuel pump from an 94 3.0 V6, and the main fuel line from an 22RE. It worked just fine.

Wiring is a PITA now that ORS is out of business, but some say it isnt so bad after you get started.

 

So the transfer case will need to be moved back then?

 

84 is straight axle isnt it? I didnt know that you would need a T100 pan for a straight axle.

 

Depending on the application.. IE..what you plan on doing with your truck a different oil pan may or may not be needed. For myself, it will be an rock crawler/farm truck, thus a new oil pan was needed for clearance for the axle/steering.

Yes, odds are your transfercases will need to be moved back, UNLESS you mount the 3.4 farther forward. If you do that you will have to figure out ways to cool the engine.. like a rear mounted radiator/fan.


for example, here is a clearance shot for the radiator and fan on my setup:



Next is the transfercase mount. I'm using an aftermarket mount from Front Range.. looking at this, it actually appears you COULD keep them in stock location. Notice the four bolts on the frame with the first transfercase mounting area between them.




The last one shows why I needed the oil pan swap..and that was with a suspension lift. With no lift, I dont know if it would clear the front axle or not..

 

your best bet is to use an R150F Tranny (3vze) or one from a 3.4L T100 (which I believe is an R150F anyways) Taco and 4runner transfer cases drop on the wrong side. Your front pumpkin is on the passenger side. Theirs is on the drivers.

 

hey tatonka

Is that a 3.o truck/runner pan?

We are talking about SASing this truck after the swap is all done and wondering if I would have to change the pan? Not that is a big deal......but one less thing is always good. I would probably end up with 4" Marlin springs up front if that matters.

 

If you go to ORS old site there is a write up on there of them doing a 3.4 swap for the same years. I would check it out. Lots of info.

 

dntsdad- That is an 85 22R truck. As you can see, I dont think the other pan would clear the axle/steering components. The oil pan is the one ORS recommended.