All these GM LS conversions but no 2JZGTE conversion??

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dousty

dousty

Joined
Jan 26, 2009
Threads
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Location
Emu Park, QLD, Australia
 
Torque curve isn't optimal for a 4x4.
 
i think it would be a good driver, but ridge runner is right as far as offloading goes. I've seen it done in lighter weight pickups and such but nothing like a 60. There is a ton of aftermarket support for these motors as well, you can get the non turbo 2jz all day long and build for 500 hp easily but still isn't going to be ideal for the 60. There is a 1000+ hp supra in my shop right now and it can be driven daily! power is there but all on the top end....
 
What type vehicles do the JZ come in? What type vehicles do LS come in?

Now let's think about which parts will be easier to find?

Now let's think about which motor the average mechanic can work on with their eyes closed.

Now let's think about torque curve.

Etc... Etc you get the point.

LS are proven engines being run reliably in fleets all over the place... They make good power stock, are easy to swap, have huge aftermarket support parts and service are everywhere,
 
Is that the 6 from the supra platform?

If so...like noted...power curve is up on the high side of the rpm range...which is just not very user friendly in a slow off-road vehicle.
 
I agree with most of the points you guys have made but for the sake of discussion

- The LS1 in my previously owned VY SS commodore was a dog (gutless) below 2500rpm (US Vortec versions may be different).
- A stock twin turbo 2JZ should be making great torque by 2000rpm (not its peak figure but still plenty for most offroading with an auto box).
- There are a few of 60's on this forum that don't seem to see much offroad crawling but still get V8 conversions
- 2JZ's are as reliable (tough) as it gets and far from rare (big in drag/import scene)
- 2JZ's make great power stock and after market support is enormous
- Engine mounts for either need to be fab'd along with the same cooling, exhaust, fuel system hurdles
- Here in Australia it doesn't seem as though the conversion costs would be all that different
 
Elbert said:
Is that the 6 from the supra platform?

If so...like noted...power curve is up on the high side of the rpm range...which is just not very user friendly in a slow off-road vehicle.
Click to expand...
Yep, Supra and Aristo/Lexus GS300. Wouldn't be a slow offroad vehicle with one fitted lol :)
 
its kind of like asking why you don't swap the corvette V8 into a suburban...sure it will work, and you might go faster.... but is go faster the idea.

plenty of swaps using the 5.7 GM SBC in various forms and the 5.3 GM SBC. I can assure you that the 5.7 Vortec and other flavors of the 5.7 will push the 60 faster than you need to be going and the 5.3 family of engines will do the same. Both of which are used in the old school 1/2 and 3/4 GM pickups and SUVs and in the newer model GM 1/2 tons and SUVs.

Would it be fun to have crazy hp numbers north of 6K rpm...sure....the 60 platform is just not suited very well to hot-rod on.
 
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There was a 2jz 40-series for sale on CL about a year ago. On the US west coast I believe.

Its only 3 liters, but proper turbo sizing/cam profile would allow for low rpm grunt. Or spin it and gear accordingly (like samurai guys)


Chevy v8s are popular because they're common as dirt in the US as well as reliable..

Don't get me started on magic "corvette motors" or how my giant/heavy 60 isn't somehow dwarfed by my modern dodge minivan(its gotta be an optical illusion or something)
 
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How about supercharger? a small enough turbo might be able to get the same effect, but a supercharged 2jz would be different and maybe even more effective for crawling, just another thought. Either way I'd like to see it happen!
 
cwwfj60 said:
How about supercharger? a small enough turbo might be able to get the same effect, but a supercharged 2jz would be different and maybe even more effective for crawling, just another thought. Either way I'd like to see it happen!
Click to expand...
If people are saying the 2zj and LS engines are price comparable...why not put a twin screw/centrifugal blower on an LQ4/LQ9/LY9 6.0 and have twice the torque of a blown 2jz...just doesn't make sense.
 
thats kinda overkill, i don't think the goal is overall power.... sure spending a little more money on a 2jz for similar or less power doesn't make sense to you chevy guys, but to the diehard toyota guys we think its cool dammit!
 
cwwfj60 said:
How about supercharger? a small enough turbo might be able to get the same effect, but a supercharged 2jz would be different and maybe even more effective for crawling, just another thought. Either way I'd like to see it happen!
Click to expand...

Any super charger system for a 2JZ would probably have to be custom.
the high end power can be handled by gearing, but that adds alot of extra expense.

A properly setup turbo system won't lag. Thing is if you wanna make big power with a single turbo, you've gotta put in a big turbo and then you have lag.
To set it up right, compound the turbos so you have a smaller one that spools quickly, and when that one is coming off boost, the big one kicks in. It's a delicate balancing act, but done properly a turbo system blows the doors off of a SC.

2JZ would be doable in places where that motor is more common, however, in the US it's less common and the parts are REALLY expensive. Also, you don't get the after market support. You can call any one of a number of suppliers and have an ECU and wiring harness for an LS V8 on your doorstep in a couple of days. With a 2JZ, you are going to have to be doing ALL of that work yourself, not to mention ECU tuning and the like.

For the money you'd put into a 2JZ for a compound turbo setup with drivable horsepower, I think you could put in a 1HD-FTE or even the VDJ V8 diesel and I think the diesel would make for a better drivetrain.
 
Tapage said:
http://www.ebay.com/itm/TOYOTA-1998...ZGTE-ENGINE-2JZ-VVTI-FRONT-SUMP-/391032931637

and all we know .. there is much more than just an engine ..
Click to expand...

Again, drivable horse power with a measure of reliability.
For the 2JZ, lets add

rods to handle the power:
http://www.suprastore.com/cahcorodset2.html

Forged pistons:
http://www.suprastore.com/2jfopibycp.html

forged crank:
http://www.suprastore.com/bc9443isochm.html

Machine work for the above lets just say $2000.

compound turbo kit:
http://www.titanmotorsports.com/bolosucotuki.html

Engine management and wiring harness:
http://www.suprastore.com/aemin8emssyt.html

Note: I didn't choose the most expensive parts, just the stuff that was middle of the road, price wise.

I realize that you can build a s***-ton of power without these parts, but realistically how long will the motor last?
 
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thats a lot, thats big power stuff, i don't think the op was interested in building a high boost motor, therefore that is all unnecessary, 2jz already has forged crank and pistons, rods are cast so if want to go over 500hp then you would consider changing those, no reason you couldn't run factory ecu and turbo and try to leave the tuning out of it, or do a simpler piggyback system to give timing and fuel control. Not trying to sound like I know everything because I do not, but just wanted to clarify the cheapest and still strong and powerful way to do this swap
 
seems like most of the people commenting on this thread are NOT very familiar with the 2jz at least not first hand. The non turbo 2jz engine is dime a dozen and dirt cheap. you can buy them all day for less than a grand. aftermarket support is exponential. The engine is extremely easy to work on and extremely reliable. It develops torque at low rpms at least the naturally aspirated version. The wiring and ecu would be a piece of cake because there are is a multitude of shops making stand alone harness for this engine. This is a very common swap for the "tuner" crowd.
The turbo version on the other hand would probably not be very well suited for a cruiser and is considerably pricier.
 
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I have had both, 5.3l all the way. The 2j was in a 85 4Runner and while it ran good after I rebuilt it, no where near the power of the 5.3 in the heavier 60. Over 2k miles on our 10 day Baja trip and the 5.3 has been flawless. Plus we stopped into a auto parts store in Gurero Negro and I could get just about anything for the 5.3, couldn't get a starter for anything Toyota...
 
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