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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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    IMHO - I would second Ranger of the North.

    For CJs - more simpler more better. Along with 5L. 3B - 13B & 13BT would be the best for high torque , extreme power and life time durability.

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    3B, 13B, 13BT are very old engines, parts availablilty problem and 24 volts plus hey are extremely heavy for that car. very noisy also
    Drive a Legend. Drive a Land Cruiser

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    Budget is not Problem.
    i want ultimate power, also economy if possible
    my purpose is visiting extremely hilly areas, Daily use and often Off-roading.

    Can V8 engine serve my purpose?

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    Quote Originally Posted by Saaduk View Post
    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
    Be?udget is not Problem.
    i want ultimate power, also economy if possible
    my purpose is visiting extremely hilly areas, Daily use and often Off-roading.

    Can V8 engine serve my purpos

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    Quote Originally Posted by Saaduk View Post
    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
    Sorry, double post

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    I think there is no comparison between 1KZ and the L series, its at a different league. KZ is much more powerfull and tough. I am using it for the last 9 years and never had any problems. The L series are simple but have a terrible reputation for busting cylinder heads on motorways. Nearly all my friends with 3 or 2L in Prados or Surfs have had problems.
    I think you should go for technology instead of obsolete and outdated simplicity.

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    The L series had head issues by default especially the turbo ones. 1KZ's head itself is not very strong but far better then the L series no doubt. The only drawback of 1KZ I feel is that its kinda fuel thirsty being a 130-145 HP engine
    Drive a Legend. Drive a Land Cruiser

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    Silk, Can you fit in a 1HDFTE ,the one that comes in 100 series plus its front mounted intercooler. I bet it will be more powerful and fuel efficient than most of the engines. Also measure the gearbox tunnel if the gearbox fits in
    Drive a Legend. Drive a Land Cruiser

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    Quote Originally Posted by Saaduk View Post
    The L series had head issues by default especially the turbo ones. 1KZ's head itself is not very strong but far better then the L series no doubt. The only drawback of 1KZ I feel is that its kinda fuel thirsty being a 130-145 HP engine
    1KZ produce 93KW, and 1KZ-TE produces 97KW

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    Quote Originally Posted by Silk View Post
    1KZ produce 93KW, and 1KZ-TE produces 97KW


    .

    .

    .

    .

    .
    Drive a Legend. Drive a Land Cruiser

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    Having driven two CJ7s, both with identical drivetrains and tyres except for the engines, which were 1KZ-TE and 5L. I would any day go for the 1KZ-TE. it is better both on road and offroad.

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    Quote Originally Posted by Silk View Post
    Budget is not Problem.
    i want ultimate power, also economy if possible
    my purpose is visiting extremely hilly areas, Daily use and often Off-roading.

    Can V8 engine serve my purpose?
    Brother I also have a CJ7 and I am running a 3CT with which I have no problems at all. The setup that I have keep on surprising me as the level of difficulty increases(Offroading).

    SK in my opinion can give you a very good advice if not the best.

    Now I personaly love Diesel engines. If you want extreme power as you mentioned, then forget economy.

    I think you need to decide that which fuel you want to go for first.

    As the topic says 5L-E or 1KZ I am personaly considering these engines for my rig. The choice is simple. 5L-E has less power(ample to pull a CJ) as compared to 1KZ but 1KZ is a thirsty engine as compared to 5L-E. Do not forget that third generration 1KZs come wid electronic throtle and a lot more complex, dificult to manage elctronics, where as a 5L or even a 5L-E is a lot simpler.

    Now if you go to the notheren areas often, and go above the elevation of 6,000 feet I personly think you need to have a turbo engine.

    But as SK pointed out you are a bit confused. I will say it again; choose the fuel first and then decide which engine you want to go for.

    TC
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    Diesel engine is final. Today i met a jeep Builder and he recommends me
    1) 1KZ
    2)12H-T
    3)1HD-FTE
    4)1KD-FTV
    Now please suggest me in choosing among them. Builder suggest me 1KZ with Prado Suspension and gear box.

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    Quote Originally Posted by Silk View Post
    Diesel engine is final. Today i met a jeep Builder and he recommends me
    1) 1KZ
    2)12H-T
    3)1HD-FTE
    4)1KD-FTV
    Now please suggest me in choosing among them. Builder suggest me 1KZ with Prado Suspension and gear box.
    Not a bad choice for a cj7.

    Sent from my X10i using Tapatalk
    Death is not the greatest loss in life. The greatest loss is what dies inside us while we live.

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    Quote Originally Posted by Silk View Post
    Diesel engine is final. Today i met a jeep Builder and he recommends me
    1) 1KZ
    2)12H-T
    3)1HD-FTE
    4)1KD-FTV
    Now please suggest me in choosing among them. Builder suggest me 1KZ with Prado Suspension and gear box.


    Remove 12HT and 1KD-FTV. 1KD has a very complex wiring dont go for that , also the injector issues.

    1KZ is a good option, Keep in mind the size of 1HDFTE and its gearbox as well as the 5 lac plus cost
    Drive a Legend. Drive a Land Cruiser

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    Default Engine is not everything in a good 4 x 4

    Engine is not everything in an off roader. More important things abound. Reliability for one: should take you to your destination and then back. Traction is more important than brute power. Traction in turn depends on a balance of weight to power, in addition to simple things like the quality and design of your leaf springs, the quality and strength of your shock absorbers, and so and so on....... one could possibly count a large number of factors.....
    So, if the engine is too heavy for a vehicle, it is going to alter the suspension settings. One needs assessment of the vehicle Chassis strength, and a number of other factors. I am not into the CJ 7 Rebuild thing, but I am not sure if the big engines will be a good swap. The 1KZ is heavier by many tens of Kgs. It uses more water, a bigger radiator, and more powerful steering pump. Braking systems need improvement. There are many many things to consider when swapping an engine. hsumbal 1 is correct in mentioning that a 3C turbo is a good fit and good for off-roading.
    ONE LAST BIT, is that generally one does not need high revs, and high numbers in output for off-roading: they are more for 'Bar Room Bragging', or for ON-ROAD Show off. Both these are basically not my field of interest.
    I believe Suhaib is a vey expert off-roader. If you do not wish to listen to my old-fashioned talk, then at least do not go beyond the 1kz.
    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 Silk View Post
    Diesel engine is final. Today i met a jeep Builder and he recommends me
    1) 1KZ
    2)12H-T
    3)1HD-FTE
    4)1KD-FTV
    Now please suggest me in choosing among them. Builder suggest me 1KZ with Prado Suspension and gear box.
    The only viable choice seems to be the 1KZ
    12H-T according to my point of view will not fit in the engine bay of a CJ and the frame might not be able to handle the vibration and torque.

    1HD-FTE is again a huge motor almost as big as a 12H-T

    1KD-FTV is a good option but the electronics are too complex. If somthing goes wrong away from a big city to the engine the only option you will have is towing the vehicle back to some good mechanic in a big city. Lets not forget that it is a CRD & CRDs are notorious for posing injector problems coz of the high sulphur content in the deisel which is available to us in Pakistan. So I will suggest that the best option seems to be a 1KZ.
    -

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    @Silk: Firstly, I didn't mean to patronize you with my comment, but just wanted to point out that between diesel vs petrol vs CJ vs FJ vs KZ vs L vs the works you were kinda losing me

    Alright, I have precious little to add out here given that the gurus from Abbotabad (@Ranger) to Karachi (@Turumti) have given their insights and the big boys from Peshawar (@Saad) and Lahore (@HSumbul) have nicely narrowed down the field for you...

    There is a very nice CJ7 with a 1KZ going into the paint stage at Citi Sadar Road and I would recommend that you should take a look at it. If you pick it up it will save you a lot of hassle, I'll say it again, a whole bloody lot of hassle from now until the time your land yourself in a decent enough jeep and drive it down the road with a smile on your face....


    And for the record, the most enjoyable CJ7 I have driven was a very light bodied one running original axles, stock transfer case and a dyna transmission with a 2LTII at the front. As someone once said, its not a bigger engine but the best combination that steals the show
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    Quote Originally Posted by SuhaibKiani View Post
    @Silk: Firstly, I didn't mean to patronize you with my comment, but just wanted to point out that between diesel vs petrol vs CJ vs FJ vs KZ vs L vs the works you were kinda losing me

    Alright, I have precious little to add out here given that the gurus from Abbotabad (@Ranger) to Karachi (@Turumti) have given their insights and the big boys from Peshawar (@Saad) and Lahore (@HSumbul) have nicely narrowed down the field for you...

    There is a very nice CJ7 with a 1KZ going into the paint stage at Citi Sadar Road and I would recommend that you should take a look at it. If you pick it up it will save you a lot of hassle, I'll say it again, a whole bloody lot of hassle from now until the time your land yourself in a decent enough jeep and drive it down the road with a smile on your face....


    And for the record, the most enjoyable CJ7 I have driven was a very light bodied one running original axles, stock transfer case and a dyna transmission with a 2LTII at the front. As someone once said, its not a bigger engine but the best combination that steals the show
    Thanks for guiding me. I have already visit City Saddar road and met Mr.Majid,(who is my cousins best friend) also suggest me 1KZ, the problem is many people here said that 1KZ is fuel thirsty. Can you please tell me how many kilometers 1KZ travel in 1 liter?

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    Make up my mind for 1KZ. But still there is a little confusion about 1KZ and 1KZ-TE. What is difference between these two, which is better in performance and in fuel efficiency?

    Also tell me it is possible to install Inter-cooler on these engines?

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