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Thread: 1JZ places for tech/swap and parts

  1. #1
    bobb'n for money
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    Default 1JZ places for tech/swap and parts

    I thought it might be a good idea to put together a list here for 1JZ tech info and places to get 1JZ parts

    I'll start off with what little i have. Send me a PM with what you have and i'll add it to the list. They don't have to be the best places. But just to have what is out there so people can get an idea of there own.

    Some of this i took from other sites info pages. some i found on my own but i am sure someone has mentioned it somewhere....lol

    Important 1JZ-GTE Japanese TRM Manual Information

    http://bobiseverywhere.com/images/su...his_or_DIE.pdf

    Alternate source

    http://dirtystyleracing.org/suprafor...20or%20DIE.pdf

    1JZ-GTE TRM

    http://www.bobiseverywhere.com/image...ine_Manual.pdf

    1JZ Swap Info

    http://www.supras.nl/index.php?optio...d=38&Itemid=54

    http://1jz-gte.us/

    http://www.autosoftsys.com/supra/index.cfm

    Identifying your 1JZ Rev. #1 or #2
    http://www.autosoftsys.com/supra/pics/newstylesml.jpg


    1JZ Tech and parts info

    http://www.turbosupras.com/pages/en/...ZA70/jza70.htm

    Great parts refrence ----> http://www.1jzgte.com/tech/JZA70%20P...Reference.html

    The intake valve stem seals are part number 90913-02123.

    The exhaust valve stem seals are part number 90913-02088.

    Front Crank Seal: 90311-46001
    Rear Main Seal: 90311-90006

    JDM 1JZGTE Part Numbers Provided by 935Motorsports
    13568-49025 Timing Belt
    13505-46020 Timing Belt Idler
    13540-46012 Timing Belt Tensioner superceded by Part Number 13540-46030
    90311-38041 Camshaft Seal
    90916-02308 Serpentine Belt




    1JZ Parts Places

    swap parts + other ----> http://store.driftmotion.com/index.p...ory_id_int=142

    some performance parts ----> http://www.suprastore.com/1jzgteparts.html

    http://www.mvpmotorsports.com/mercha...ramkiii.shtml#

    Our 1JZ Section Link : https://935motorsports.com/catalog/i...Path=79_14_144

    BIC Pre 89 motor mount adapter brackets, allow the use of the older square motor mounts with out having to swap crossmembers.

    BIC 3" 1jz downpipe, bolt on 3" downpipe, works with the stock cast Y pipe.

    www.bicperformance.com




    Some information tidbits


    Alternator replacment


    This was taken froma post by HamsMKIII on another forum

    I noticed many references to the MKIV alternator being a direct swap into the 1JZ. It isn't really a direct swap since the plugs on the alternator are different. I accidentally broke my alternator playing around with it (don't ask), so I did a little research on a replacement. Oddly enough, the alternator from a 1992-1994 SC300 only, not 400, is a direct replacement for the 1JZ. It's a perfect fit, and the plugs are identical, so there's no cutting involved. Just plug and play. The best part? The SC300 alternator is a 110 amp alternator. Oh and another great part? I paid $130 with tax for it, lifetime warranty from Lexus. How about that? Funny that the Lexus part ended up being cheaper than the Toyota part. Anyhow, I thought I'd pass along my experience in finding a direct swap for the 1JZ alternator.

    - Hams.

    This is also from a poster on another forum

    OB1 JZA70

    "Ok... I have a rare engine... where do I get parts in North America???

    I have seen many people asking one of two questions:

    A. Where can I get parts for my 1JZ?

    B. What parts are interchangable between the 1JZ and the 7M or 2JZ?

    I have posted the following list a couple of times on various forums but I figured I should finally post it someplace permanent. So here you go... this is what is interchangable between the 3 engines... the 7M, the 1JZ-GTE, and the 2JZ-GTE. Also below I have added where you can source a few of the other common parts for the 1JZ engine. Anyone who sees errors or has additions please contact me and I will keep this list up to date.

    Common parts between the 7M and 1JZ
    - Clutch kits (but not flywheel)
    - Cat back Exhausts
    - 89+ motor mounts (rubber part)
    - Anything trans (R154) related
    - Anything gauge related
    - Rad (if you're not using the 1J hydro fan setup)
    - Driveshaft/Diff

    Common parts between the 2JZ and 1JZ
    - Power steering pump
    - Alternator
    - Spark plugs (ngk 3330 and 6097)
    - US spec 550cc injectors (resistor pack needed)
    - JDM Spec 440cc injectors (drop in upgrade)
    - Water Pump (requires removal of the 1J hydro fan and a 2J pulley)
    - Head gasket (although most other gaskets do not swap, get a 1J set to do it right)
    - Clutch fan (if you use a MKIV water pump and pulley)
    - Serpentine belt (but NOT timing belt - see below)
    - Oil filter and relocation kits
    - Intercooler kits
    - Plug coils
    - Cam gears (incl aftermarket adjustable)
    - JDM 2JZ Map sensor
    - Ignitor
    (edit: some more added info)
    1) The rod and main bearings.
    2) The head bolts, crank and rod bolts from stock or ARP either bolts or studs w/nuts.
    3) The pistons including the wrist pins, wrings and locks.
    4) The head gasket, stock or aftermarket.
    5) stock side feed or after market side feed high ohm injectors. Low ohm injectors require wiring in the 7M or preferably 2JZ injector resistor pack.
    6) Water pump and housing when replacing the hydro fan to electric or clutch fan.
    7) Cams are normally not interchangeable with out some grinding on the 2JZ cam and having it spun balanced, HKS, Jun and Blitz all make 256, 264, and 272 cams for the 1JZ.
    8) Cam shims, springs, retainers, Valves and springs, along with buckets are interchangeable.
    9) turbos are not directly interchangeable and require a degree of machining to swap out the 12As for 12b.
    The list will be updated as I remember and acquire more info.

    (my edit: i am not sure about this timing belt) has been confirmed bellow by a member that this does work Oct-21-2006
    For a 1JZ timing belt:

    The 1988+ Isuzu Trooper 4 cylinder 2.6 liter engine (4ZEL) uses the same belt as the Toyota 1JZ engine. So instead of getting a belt from Japan (~$100) you can pick up an Isuzu Trooper belt locally at an auto parts store for about $30 US. Make Sure You Get The 4 Cylinder 2.6 Litre Engine Belt!

    Timing belt specs: 137 teeth, 25mm wide

    For an aftermarket flywheel:

    Order a 7M fly but have the 2J bolt pattern drilled into it.

    Very general rule of thumb:

    From the Clutch/Trans back it's a regular MKIII Supra (save for the Torsen diffs) From the FlyWheel/Bellhousing forward, it's 70% 1J / 30% 2J parts.

    Contact info can be found at the bottom of my main page here:


    http://www.autosoftsys.com/supra/


    - Pre-made plug and play harnesses
    - Harness extension and conversion service
    - 1jzgte single turbo kits and parts
    - Hard to find stock 1JZ parts (used)
    - Complete swap service (in SoCal)
    - 1JZ Lighweight flywheels

    - LIVE phone support

    Our 1JZ Section Link : https://935motorsports.com/catalog/i...Path=79_14_144
    "There is no excellent beauty that hath not some strangeness in the proportion."
    -Sir Francis Bacon


    Maplemicro my little computer biz

  2. #2
    Permanent Ban mattjk's Avatar
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    Default Re: 1JZ places for tech/swap and parts

    Great list.

    I am running the Isuzu timing belt from Napa. It works just fine.

    Can someone confirm this? 2JZ valve stem seals should be the same.

  3. #3
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    Default Re: 1JZ places for tech/swap and parts

    awesome info, this should almost be stickied for future reference!

  4. #4
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    Default Re: 1JZ places for tech/swap and parts

    Don't forget us!

    - Pre-made plug and play harnesses
    - Harness extension and conversion service
    - 1jzgte single turbo kits and parts
    - Hard to find stock 1JZ parts (used)
    - Complete swap service (in SoCal)
    - 1JZ Lighweight flywheels

    - LIVE phone support

    Our 1JZ Section Link : https://935motorsports.com/catalog/i...Path=79_14_144
    84 Supra - 2JZGE VVTi underway
    86.5 Supra - 7MGE, 4.3 LSD, Hard top, No ABS
    91 Supra - 7MGTE, JZA70 Auto tranny

  5. #5
    2.5 Twin Turbo R
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    Default Re: 1JZ places for tech/swap and parts

    ^^ another great addition to the list!

    also i just poked around your site a bit. what sort of pricing do you guys have on single kits?

  6. #6
    bobb'n for money
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    Default Re: 1JZ places for tech/swap and parts

    nice addition i will add it to my list up top
    "There is no excellent beauty that hath not some strangeness in the proportion."
    -Sir Francis Bacon


    Maplemicro my little computer biz

  7. #7
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    Default Re: 1JZ places for tech/swap and parts

    The intake valve stem seals are part number 90913-02123.

    The exhaust valve stem seals are part number 90913-02088.

  8. #8
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    Default Re: 1JZ places for tech/swap and parts

    Does anyone have a part number for the front and rear main seals? I would like to replace them before I install my motor.............thanks

    I would like to get cam shaft seals also for the 1jz.

    FEAR A GOVERNMENT THAT FEARS YOUR GUN

    http://www.break.com/index/one-of-th...-made-2218472#

  9. #9
    bobb'n for money
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    Default Re: 1JZ places for tech/swap and parts

    Quote Originally Posted by suprahero
    Does anyone have a part number for the front and rear main seals? I would like to replace them before I install my motor.............thanks

    I would like to get cam shaft seals also for the 1jz.

    goos question i think i should do the same


    it would also be good to know what the torque specs are for putting everything back together
    "There is no excellent beauty that hath not some strangeness in the proportion."
    -Sir Francis Bacon


    Maplemicro my little computer biz

  10. #10
    naughty by nature
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    Default Re: 1JZ places for tech/swap and parts

    Must be a hard question since there is no answer. I'll look for the answer tomorrow, and if I find it then I'll let you know Josh............lol

    FEAR A GOVERNMENT THAT FEARS YOUR GUN

    http://www.break.com/index/one-of-th...-made-2218472#

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