2JZGTE swap this summer...

1.) In front and below the radiator. I'm going to notch the front bumper to allow for airflow and then reinforce and protect the front of the truck/IC with chromoly tubing. There will also be a built slatted grille made out of 3/16" or 1/4" steel.

2.) I think they are good. No, they are not perfected.

3.) No plans for that now, but I'm going to talk to the boss about "kitting" the 2J swap. I don't think there is a lot of demand, though that might change depending on how this goes. If that gets approved, then motor mounts will be made for it, first thing. Not necessarily copying the turbo/manifold setup. Definitely not if I get the helix in it. That is mine. :) I am going to start working on a turbo kit for the land cruiser with the 4.5L 32-valve straight six soon. Either way, it ultimately depends on the perceived market for fully built 2J-powered Jeeps. Seeing as how this may be the first one over here (definitely only one in the world with a A340e to the Jeep t-case), the market looks pretty small.
 
I would perhaps mention to your boss that the XJ has just as much support in asia as it does over here in the USA, in fact they are still producing them over there brand new... that poster is from asia as well so there is at least some small amount of interest in the swap you are doing. They have more access to these motors than us, it might be a viable option to finalize and patent your design and find a chinese company to produce it cheaply for sale in asia. Might make a few bucks if it takes off, or use your mounts to produce them on demand and ship them to asia but the cost might make it hard to sell.
 
I haven't had many good experiences with that, but we'll see. I would only mess with that if I could make/sell at least ten kits at a time. The forced induction Jeep market is small and burgeoning, far as I can tell. It's possible we could also figure out the best turbo/motor combination for the Jeep app and figure out a 5-speed manual tranny option...I've got the cheapest (and I think best) auto tranny solution done...could even use an AW4 w/ the 2J if we swap and use the Lexus bellhousing and torque converter, though that leaves wiring and ecu/tcu weirdness. I'm gonna test fit, just for the sake of fitting it, a BL manifold and see where something like a billet 71 ends up. That would be the same turbo setup as Supras in the 800 hp zone. The idea is to put the hp/torque curve where you want it with the careful selection of the turbo. I am personally experimenting with the Evo 8 turbo on the 3.0L. I don't actually know how it will turn out. I just know what I THINK I'll see. :)
 
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What variant of this engine is available in North America? How common are the normal replacement parts for things that typically break or need replacing (sensors, filters, etc.)?

I'm thinking the NA-spec Supra is the only donor? Maybe the small parts are shared with other NA-spec Toyota engines?

Love the idea of this engine but getting maintenance/repairable spares outside of urban areas may be a mini-nightmare. I can't see driving it to James Bay or Yellowknife without a bucket of spares.

Pity, this engine looks so good in the engine bay. Very cool swap.

Maybe a 1UZ/2UZ makes more sense in North America? Surprised no one has tried (reported?) that swap.

I love what you did with the transmission. Very cool.
 
The USDM version is available here, in both the NA and TT form. Supras and Lexus SC300s came with it. I got a JDM one cause they are a little easier to come by. There are whole companies around that do nothing but ship them in from Japan and sell them. You seem worried about parts. One of the primary reasons for putting this in is it's reliability when done right. They are really strong motors. I will drive it anywhere, and beat the crap out of it when I do it. Thanks! I think it looks great in there as well, and I am specifically really proud of the transmission situation. :)
 
If I kit it AND someone is willing to send a Jeep to me to do up, we'll probably go with whatever trans they want. I am not familiar with the manuals, but I have heard of the AX15 time and time again. I would love to make an all-out 700 horsepower pre-runner. :)
 
This is coming along great. Saw a newer TT supra in town for the first time in i'm gonna say 2 years. They are pretty scarce after the F&F series debuted.
 
child9 said:
You seem worried about parts. One of the primary reasons for putting this in is it's reliability when done right. They are really strong motors. I will drive it anywhere, and beat the crap out of it when I do it.
Click to expand...

It's not so much that I'm worried about parts per se. I'm certain I can get anything drop shipped where ever I may be without issue... it just adds time to the equation.

There's a big difference between building a rig to go beat in the back forty just outside of town and building one that will be cruising at 60 mi/h for days on end cross continent while fully loaded with gear and people and hauling a trailer.

Timelines and mechanical issues can be a real pain if you have to be at certain places at certain times to make ferry crossings, meet other people, etc. It can really screw up your vacation and disappoint those along for the ride.

Don't misunderstand me, I'm not saying that the 2JZ is unreliable; far from it, it has a fantastic reputation for being a tough engine. I like the engine better than the Toy V8s and it fits so nicely in the engine bay.

That said, stuff still happens and I don't have a lot of faith in the Chinese junk we get nowadays for replacement soft parts and such like sensors. This caveat applies to the Jeep I6 and the rest of the cars I have as well obviously. I'm almost at the point where I buy two of everything and return one... at least I am assured I can fix the car and get going quickly.

Anyway, I don't want to take this too far off topic. Do you know off hand if any of the simple parts like IAT, TPS, CPS, oil filter, etc. cross-reference to other NA-spec Toyotas?
 
Root Moose said:
It's not so much that I'm worried about parts per se. I'm certain I can get anything drop shipped where ever I may be without issue... it just adds time to the equation.

There's a big difference between building a rig to go beat in the back forty just outside of town and building one that will be cruising at 60 mi/h for days on end cross continent while fully loaded with gear and people and hauling a trailer.

Timelines and mechanical issues can be a real pain if you have to be at certain places at certain times to make ferry crossings, meet other people, etc. It can really screw up your vacation and disappoint those along for the ride.

Don't misunderstand me, I'm not saying that the 2JZ is unreliable; far from it, it has a fantastic reputation for being a tough engine. I like the engine better than the Toy V8s and it fits so nicely in the engine bay.

That said, stuff still happens and I don't have a lot of faith in the Chinese junk we get nowadays for replacement soft parts and such like sensors. This caveat applies to the Jeep I6 and the rest of the cars I have as well obviously. I'm almost at the point where I buy two of everything and return one... at least I am assured I can fix the car and get going quickly.

Anyway, I don't want to take this too far off topic. Do you know off hand if any of the simple parts like IAT, TPS, CPS, oil filter, etc. cross-reference to other NA-spec Toyotas?
Click to expand...
Well sure, but replacing anything, oem or not, adds time. The GTE is built for boost, so I should be replacing LESS parts overall. I have no idea what parts cross-reference to other engines...I don't see why that's needed. For instance, the clutch packs in the AW4 are the same as the TT Supra except for the forward clutches, and they all have the same part numbers and cost the same. You might want to check out SC300 stuff though, it MAY be a little cheaper.
 
It does, actually, but it is one of the front sump oil pan applications. It is the NA version, the 2JZ-GE. There are kits readily available for turning an NA 2J into a turbo version as well. We call them NA-Ts.
 
child9 I just saw you said something about the evo 8 turbo..If you can, grab a evo 9 turbo. You will make more power everywhere with it. If not then I can let you know where you would end up with taht evo 8 turbo.:D

Its been done before. Just check my.is, clunna-t, supraforums even lol.
With a stock 2jz-ge VVTI (is/gs300 motor) with 10.5:1 comp people were making ass loads of power down low & fell of around 5400rpm or so. Expect 300whp+- @ 8psi.
With a 2jz-gte (supra tt motor) 8.5-8.3:1 compression your still making ass loads of power lower in the rev range & still falling off up top because your choking the turbo. People were seeing as high as 400+whp @ 13-17psi depending on supporting mods.
If you use a smaller turbo say a T3 style 55-57 trim you should make down low power for decent off roading. Should be almost instant spool. If your just trying to go fast & don't care about off roading than through a nice Billet 67mm turbo at it. The 67mm can & will out perform a 71mm unless your doing 200+mph pulls. The 67mm can make its power lower & is capable of 700whp+ if your running high enough octane & have the mods to support it lol.
Just thought I'd throw my 2cents in lol.:wave1:
 
You just made me giggle...Lol. Awesome, and insta-spool is exactly what I want. I am planning on changing the shift points to be @ a much lower rpm, based on the dyno chart. :)
 
I'm still trying to find it..I've got a few 2jz-gte dynos, 7 1/2psi on a 57trim.They are making 325-375whp & 330-390wtrq depending on tune & if its cammed & what not..

what are you gonna run as a limiter? Like what are you gonna rev to?
 
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