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Thread: 1KZ-TE vs 5L-E

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    Thumbs up 1KZ-TE vs 5L-E

    Which engine is more powerful
    1) 1KZ-TE, which is used in latest Prado. output is 130 hp (97 kW) @ 3600 rpm with maximum torque of 287 N·m (211 ft-lb) @ 2000 rpm

    2)5L-E, output is s 97 PS (71 kW) at 4,000 rpm with 192 N·m (142 ft·lb) of torque at 2,400 rpm

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    Cant u read the numbers u posted urself??

    L series engine is very different than the K series engines. L is a low budget engine
    Drive a Legend. Drive a Land Cruiser

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    Default A Good Question

    Quote Originally Posted by Silk View Post
    Which engine is more powerful
    1) 1KZ-TE, which is used in latest Prado. output is 130 hp (97 kW) @ 3600 rpm with maximum torque of 287 N·m (211 ft-lb) @ 2000 rpm

    2)5L-E, output is s 97 PS (71 kW) at 4,000 rpm with 192 N·m (142 ft·lb) of torque at 2,400 rpm
    I think Silk has a point.
    5L engine is a simple engine, and the low-end torque is not bad. The turbo kicking in at 2000 rpm or near there, is not there. And therefore, it is a reasonable engine for off-roading. However, the question wording are technically incorrect, as it asks which one is more powerful? The answer is simple: 1KZ. Which one is better is a different question: with view points coming into play, and varying uses and applications.
    5 L is not bad at all.
    Ranger of the North---Didn't Get Any Speeding Ticket While I had the Unimog. Since I bought a Cruiser, I get a speeding ticket every now and then.

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    Quote Originally Posted by Ranger_ofthe_North View Post
    I think Silk has a point.
    5L engine is a simple engine, and the low-end torque is not bad. The turbo kicking in at 2000 rpm or near there, is not there. And therefore, it is a reasonable engine for off-roading. However, the question wording are technically incorrect, as it asks which one is more powerful? The answer is simple: 1KZ. Which one is better is a different question: with view points coming into play, and varying uses and applications.
    5 L is not bad at all.

    Exactly. Just asking about the power is not sufficient. Instead, one should ask, "which one is best for my 4X4 and for what specific purpose"?

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    Quote Originally Posted by noman8ff View Post
    Exactly. Just asking about the power is not sufficient. Instead, one should ask, "which one is best for my 4X4 and for what specific purpose"?
    The purpose is, visiting extremely hilly areas, daily use and often off-roading. And engine is required for cj7

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    Default My Choice: 5 L

    My Choice would be a 5 L, without the E, ie the Electronically controlled Fuel Pump version. The E version is s little smoother, especially if the pump is not brand new, but it still has more potential problems and technical gimmicks. I believe in the simplest machine, so that there are minimal potential wrong-goers. As Murphy's Law states, "if anything can go wrong, it will go wrong". And it will take you wherever you want to go and back....
    day in day out.
    and when it wears out, it will still go, but if you want to re-build it, it is much cheaper than 1KZ. But only if you don''t like that initial turbo booooom, on metalled roads, that only 1KZ offers (in the 3.0L range). So, go for 5L, with a good gear box and differentials.
    Ranger of the North---Didn't Get Any Speeding Ticket While I had the Unimog. Since I bought a Cruiser, I get a speeding ticket every now and then.

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    you mean to say 5L is more appropriate for hilly areas? And please elaborate difference between these two.

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    What about Nissan Patrol engine VK56VD (5.6-litre) V8 with a 400 hp (298 kW) an 560 N·m (410 ft·lbf),

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    It's always the best combination of engine, gear and diffs and not just the bigger engine. I would second Ranger_ofthe_North (Dr Sb) and will go for 5L. Simple things are easy to handle and CJ7 being not a very heavy vehicle, should be good with 5L.

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    What about combination of 1kz with Prado gear box and suspension?

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    no response.........

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    @silk: 1KZ (50 to 100k) is much cheaper than the 5L (100 to 150k) with prices varying between locally used and fresh kabuli imported pieces. KZs are also widely and cheaply available as they are being taken out of cars which are convereted top petrol/cng. 5L is a somewhat rare engine to find.

    On most counts 1KZ is probably a better engine than the 5L, though people who have driven the 5L swear by it. You would need a Hilux gearbox to fit it in a CJ7 because the Prado one has different rear diff alighnment. There are two variations in Hilux gearboxes R151 (cheaper, more powerful) and R150 (more expensive, more ful economy) and both sit in well between the 1KZ and original CJ7 diffs.
    "If YOU don't believe in what you're doing it'll never work."

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    Default @SuhaibKiani

    Would you also care to expand on the cost factor. More info on the pricing of 2L-TE(prado) and 3L units will be appreciated. Also, as far as numbers go, the 3L and 5L are pretty much on the same level in terms of power and torque. What makes the 5L a keeper then? I ask because i am contemplating a 2L-TE swap into my lj70 landcruiser II which currently has the 3L unit and performance i feel is quite leisurely. Also, how can one identify the gear box apart from reading off the model from the VIN plate in the engine bay, does the box itself have any markings?

    Regards.
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    Quote Originally Posted by HamzahF View Post
    Would you also care to expand on the cost factor. More info on the pricing of 2L-TE(prado) and 3L units will be appreciated. Also, as far as numbers go, the 3L and 5L are pretty much on the same level in terms of power and torque. What makes the 5L a keeper then? I ask because i am contemplating a 2L-TE swap into my lj70 landcruiser II which currently has the 3L unit and performance i feel is quite leisurely. Also, how can one identify the gear box apart from reading off the model from the VIN plate in the engine bay, does the box itself have any markings?

    Regards.
    The prices essentially vary between a locally used engine and a fresh kabuli imported engine. I am not sure how much 2LTs and 3L go for these days but these engines are getting rare and are possibly quite expensive (100k+). The 1KZ is reported cheaper than the 2LTE and is probably the best choice out of the lot for your swap. Its quite tricky to differentiate between the R150 and R151 gearboxes visually.
    "If YOU don't believe in what you're doing it'll never work."

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    if i choose 2F 4200cc (FJ40) engine for CJ7, is it fine?

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    Quote Originally Posted by Silk View Post
    if i choose 2F 4200cc (FJ40) engine for CJ7, is it fine?
    Of course it is! Anything is fine in theory...

    But seriously friend, I am not sure what you are looking to achieve out here... your all over the place and need to make up your mind before you start running multiple threads with topics essentially poles apart!
    "If YOU don't believe in what you're doing it'll never work."

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    Quote Originally Posted by SuhaibKiani View Post
    Of course it is! Anything is fine in theory...

    But seriously friend, I am not sure what you are looking to achieve out here... your all over the place and need to make up your mind before you start running multiple threads with topics essentially poles apart!
    it seems i am bothering you, So no more questions.
    Mods please close this thread

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    Default Appologies For a Late Response

    Dear Silk,
    you are looking to restore a CJ7. If I were in your shoes, I would go for a 5L, or a 3L even.
    1 KZ is a stronger engine. I agree with Sohaib Kiani. Still, I acknowledge my idiosyncracies.
    I think a non-turbo, non-electronic, simple engine, with a little more than bare-minimum horse-power is a good option.
    And if I were you, I would not be offended by Suhaib Kiani"s remarks. All he ment was to make a choice between a limited number of engines. Looking at Nissan, 6-cylinder petrol, turbo petrol, or so and so will make things complicated. No hard feelings intended.
    So, other than the difference of opinion on 5L versus 1 KZ, I agree with Suhaib saheb.
    God Bless you and all Off Roaders, including the potential off-roaders.
    Ranger of the North---Didn't Get Any Speeding Ticket While I had the Unimog. Since I bought a Cruiser, I get a speeding ticket every now and then.

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    Quote Originally Posted by Ranger_ofthe_North View Post
    Dear Silk,
    you are looking to restore a CJ7. If I were in your shoes, I would go for a 5L, or a 3L even.
    1 KZ is a stronger engine. I agree with Sohaib Kiani. Still, I acknowledge my idiosyncracies.
    I think a non-turbo, non-electronic, simple engine, with a little more than bare-minimum horse-power is a good option.
    And if I were you, I would not be offended by Suhaib Kiani"s remarks. All he ment was to make a choice between a limited number of engines. Looking at Nissan, 6-cylinder petrol, turbo petrol, or so and so will make things complicated. No hard feelings intended.
    So, other than the difference of opinion on 5L versus 1 KZ, I agree with Suhaib saheb.
    God Bless you and all Off Roaders, including the potential off-roaders.
    Thanks for positive response. The problem is, i am very new in this field and know nothing about engines.

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    The 1KZ EFI was introducted in 1993 till 1KD arrived so the electronics are not at all complicated honestly. I have personally owned 4x4's with three different generation 1KZs

    1KZ turbo Non-efi with manual gearbox
    1KZTE turbo EFI with Auto gearbox
    1KZTE turbo EFI Electronic Throttle Control (Fully EFI) latest generation with more complicated Auto gear box.

    Please tell us your budget and requirements from the 4x4.

    Do you want ultimate power
    Do you want economy?
    For what purpose are you building this car? Daily drive or 4x4
    Whats your budget for the engine, trans etc
    Drive a Legend. Drive a Land Cruiser

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