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Thread: First 3UZ-FE conversion maybe?

  1. #16
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    Right I forgot that 3UZ-FE (unlike VVTI 1UZ-FE) uses 2nd gen ETCS-i with pedal sensor being separate from throttle assembly. But it doesn't need ignition block, it runs COP's. Also, transponder and security ECU is the same part, and buying it new simplifies things a bit, like dumbass earlier said.

    That's a strange thing that engine swap kits are imported without critical parts named above. Maybe the importers are just unaware? So one can ask them explicitly for the necessary parts?
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

  2. #17
    Junior Member Automotive Encyclopaedia
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    Default Re: First 3UZ-FE conversion maybe?

    buying it is fking expensive
    400 for immob ecu
    150 maybe for key
    150 for key reader
    then couple hundred bucks if u have hassles getting the key to program

    no one on the forums is going to buy these parts new
    when doing landcrusiers its 10 grand for just motor and all the electricals to get it going
    only top end players get these types of conversions done hehehehe

  3. #18
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

  4. #19
    Junior Member Automotive Encyclopaedia
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    Default Re: First 3UZ-FE conversion maybe?

    if those keys are genuine ill eat a donkeys dick heheeh
    u always have to be careful with chinese clone keys
    they are hit and miss and i tell customer to supply key if they want chinese clone key
    had issues with nissan and only way i fixed it was with genuine key

    anyway if its your own car i guess chinese clone is ok

    im now trying to fond a 1uz vvti ecu to buy if anyone has one

  5. #20
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    Which one? Crown 155 and late Lexus LS400/SC400 are very similar. Crown 175 ECU is quite different in pinout. I got one spare UZS175 ECU for training purposes

    I referenced Dealextreme only as quick and dirty example. In my area glass-packed chips (without blade) are offered for under $30 (depending on chip model, price can be about $10), never had any issues with them so far.
    Last edited by George; 14-06-2012 at 10:04 PM.
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

  6. #21
    Junior Member Automotive Encyclopaedia
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    Default Re: First 3UZ-FE conversion maybe?

    late ls400s with vvti and security ecu im looking for
    i can borrow one but i think the shop is worried i might fk it heheeh
    so ill just buy one if one comes up
    if not ill prob just forget about it in afew months

  7. #22
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    fyi: security ecu is the same for any 1uz vvti (i tried one from ls400 and it worked with pre-1999 and post-1999 toyota crown ecu as well). It does not need any sort of synchronization like systems using 4D chip key.

    also, seems like uzs155 and ls400 ecu's are pin to pin compatible
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

  8. #23
    Junior Member Automotive Encyclopaedia
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    Default Re: First 3UZ-FE conversion maybe?

    hey george
    have u used that blue toyota programmer
    ive got the orange one and it doesnt work on most toyotas
    only works on ones with immob chip built inside main engine ecu
    this one says it can be used on landcruisers im just wondering how true this is

    id love to get one to try

    thanks

  9. #24
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    afaik those orange units are very different though they do look the same.

    I didn't personally try this exact blue unit BUT in my area you can buy "good" orange unit for about $100 and it will do vehicles with separate immob. ECU.
    I even had a nice offering, $120 including delivery and test on any vehicle in our workshop.

    p/s pre-1999 landcruisers (and maybe up to 2003) are 4C-based and they are only done manually
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

  10. #25
    Junior Member Automotive Encyclopaedia
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    Default Re: First 3UZ-FE conversion maybe?

    the orange units are under 50 bucks in china hehe
    ok thats y the orange unti didnt work on the 2003 landcruiser
    im going to buy a key programmer
    i have a chip reader now just need to get a programmer so i can program the key from the dump in the immo ecu
    just need to find key programmer that will do 4c and 4d chips

  11. #26
    Junior Member Automotive Encyclopaedia
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    Default Re: First 3UZ-FE conversion maybe?

    not sur eif i should spend 400 bucks on key programmer that just does toyotas
    or spend bit more and get oen that does more cars

  12. #27
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    For 4C keys, car make is not important. I can program mitsubishi galant key into toyota crown for example.
    Also with 4C keys you don't have to buy key programmer.
    Initially you need one key with known code (many options here)
    Then you put it manually into eeprom as master key
    Then erase all the sub keys (also several options here)
    Read eeprom
    Add a key
    Read eeprom again and now you know new key's code

    So you only need a spare ECU modified for easy eeprom replacement.

    As for key programmer
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    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

  13. #28
    Lexus wiring junky Grease Monkey Demon's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    Howzit gents

    We did this 3UZ-fe about a year and a bit ago. There was a running V6 in this Vigo which we pulled.

    We kept it mated with the A650e auto and used the stock ECM. Cruise control we got to work and we used the vigos accelerator pedal.

    No go with the AC and the temp guage thru the ECM as that was running thru the CAN system.

    Other than that it all worked pretty well and the thing is still on the road. We did a scan on it with the intelligent tester 2 the other day via the OBD and all well.

    Would say the same that at this point the 1UZ vvt-i is much more bang for your buck as to get past the security on this job did cost.


    http://youtu.be/NAUm_dW7r34

    Check out my other vids of the 1UZ vvt-i running stock ECM with Bussmann fuse box

    Check out my web site www.lexusv8solid.co.za
    Last edited by Demon; 21-10-2012 at 09:14 AM.

  14. #29
    Lexus wiring junky Grease Monkey Demon's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    Just a quick question. What did you guys do about that rear gearbox mount ? I see you welded the box to the exhaust with that cross bracket.

    You guys made any head way with the 3UZ-fe six speed yet ?
    Last edited by Demon; 21-10-2012 at 09:16 AM.

  15. #30
    C2H5OH Powered Automotive Encyclopaedia George's Avatar
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    Default Re: First 3UZ-FE conversion maybe?

    No, it's too expensive as a full kit. We have locally produced transmission ECU that can control the A650, in theory it's capable of shifting A761, too, but there was no opportunity so far to check it. In fact, even 3UZ conversion only happened by chance cause engine+gearbox+security kit was twice more expensive compared to 1uz's we usually install.

    Rear gearbox mount: we always make custom one, taking stock plate with rubber pieces and welding the rest to it.

    Btw I have a couple questions, too. Where do you source engines and what do you do to them before installing?
    USSR GAZ24 with 1UZ-FE VVTi (UCV24) http://www.toymods.org.au/forums/showthread.php?t=60301
    Engine conversion is when you drive a shitbox which costs a whole LEXUS to own

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