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Thread: 1uzfe mods

  1. #46
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: 1uzfe mods

    Quote Originally Posted by ed_jza80
    m112 eaton is a better choice
    If you want more than 6-8psi, get an M112.
    If you are only going to run <8psi, you'll be much better off with the M90
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  2. #47
    doctor ed Conversion King ed's Avatar
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    Default Re: 1uzfe mods

    lots of money and fabrication for <6 psi
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  3. #48
    Junior Member Domestic Engineer myne's Avatar
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    Default Re: 1uzfe mods

    Get friendly with a half decent exhaust fitter, ask him to make a couple of manifolds to suit a turbo. I'm confident I could get my mate to make me one for under 200$.
    Turbos are waaay cheaper than blowers too. Should be a piece of piss to source a pair of T25's from a nissan.

  4. #49
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: 1uzfe mods

    At the moment it is (especially when you look at the 7k 'kit' from PlanetSoarer)

    But someone is working on a manifold designed for it, so that will bring mucho costs down.

    The option is the FAT manifold





    Its about $1500 last check though, website is down, so can't check right now.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  5. #50
    Yep they look great Carport Converter gianttomato's Avatar
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    Default Re: 1uzfe mods

    You could do it for less than 7K but at least the kit bolts up and you're driving it that day. Also, no need to open the motor, which is a very attractive feature. Power goes from 130 -> 170 rwkW. Seems fair to me.....

  6. #51
    Junior Member Automotive Encyclopaedia Nim's Avatar
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    Default Re: 1uzfe mods

    Looking at the dyno sheet we had for a 1UZ at the last dyno day, it really makes ALL it's torque low down, then it just falls off the map. What you wanna do is figure out why it's doing that, and then change stuff to move your peak torque up higher.

    The reasons I can think of:
    head restrictions, intake restrictions, exhaust restrictions, cam restrictions.

    Head restrictions are hard to fix. I dunno what the angle on the intake port section of the head is, but there isn't much you can do about that. So forget about that for the time being.
    Intake restrictions are easier. Just bolt on a bigger plenum with better runners & throttle body, or quads.
    Exhaust restrictions are obvious. I've seen 1UZ exhaust manifolds and they look horrid. Getting some propper extractors on there would seriously help, but you have to tune it with your cams.

    EDIT: It was pointed out later that my figures where wrong, stripped out some of the info to avoid spreading misinformation. Thanks CrUZida.

    But the big one would be the cams themselves. The torque curve on those drops of SO harshly! You want something to help it breath more higher up. You may also want to look into new valve springs to bring the redline up and give you access to more power... but this is getting into the land of expensivetown!

    I dunno how accurate this dyno chart is. The actual RPM values are wrong, that's for sure, but take what you will from it:
    1UZ-FE in a crown, on the dyno.

    Personaly, I'd ditch the auto box too. N/A + Auto = what's the point?
    Last edited by Nim; 13-02-2006 at 01:16 PM. Reason: Changing figures

  7. #52
    Rest in Peace Conversion King ViPeR_NiPPleX's Avatar
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    Default Re: 1uzfe mods

    hmm... 4 camshafts to buy sounds expensive... id rather get some adjustable cam gears and see if i can shift the power band a bit higher in the rev range

  8. #53
    Junior Member Automotive Encyclopaedia Nim's Avatar
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    Default Re: 1uzfe mods

    Ahh yes, I forgot about cam timing. You'll probably want adjustable cam gears too.

    I doubt you could get 200kw without cams though.
    Last edited by Nim; 13-02-2006 at 01:23 PM. Reason: changing misinformation

  9. #54
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: 1uzfe mods

    Nim, I'm not sure where you are getting your figures from, but stock peak power is in the 5000-5500rpm range, and peak torque is about 4000rpm.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  10. #55
    Junior Member Automotive Encyclopaedia Nim's Avatar
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    Default Re: 1uzfe mods

    Realy? I'm getting it from a dyno sheet. Perhaps the RPMs wheren't matched up properly by the mechanics.
    Assume that peak torque is actualy doubled... hrm, that changes things. Let me have a look.

    EDIT: Yep, just looked it up. That dyno sheet must be wrong. (atleast in RPM values).

    Stuff it, just rebuild the whole engine to rev out to 9000rpm! That'll give you your 200kw and then some.
    Last edited by Nim; 13-02-2006 at 01:18 PM.

  11. #56
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: 1uzfe mods



    There is a datalog of mine, main mod is extractors.
    You can see it uses most fuel at ~4000-4500rpm.
    Given that the AFR's are fairly flat, one would assume it has peak torque in that range.

    Here is a factory dyno
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  12. #57
    Forum Member 1st year Apprentice
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    Default Re: 1uzfe mods

    EFI hardware in Mitcham (Victoria) (www.efihardware.com - 9873 5400) was in the process of setting up indepentant throttle bodies for a 1UZFE in the owners Soarer last time I was there, 12 months ago. It was a very good looking kit. Extremely neat. They were planning on running it with a Hawk ECU.

    If your going that route it may be worth a phone call - sometimes its easier dealing with companies in your own country.

    And for anyone else setting up EFI on there vehicle they are really helpful and really know how to set up an EFI system.

  13. #58
    Junior Member Backyard Mechanic manny's Avatar
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    Default Re: 1uzfe mods

    Quote Originally Posted by CrUZida
    At the moment it is (especially when you look at the 7k 'kit' from PlanetSoarer)
    Quote Originally Posted by gianttomato
    You could do it for less than 7K but at least the kit bolts up and you're driving it that day. Also, no need to open the motor, which is a very attractive feature. Power goes from 130 -> 170 rwkW. Seems fair to me.....
    The RUSH Soarer/Celsior Supercharger kit on PlanetSoarer was actually $5990 when it was available.

    http://www.planetsoarer.com/supercha...al/JimRoal.htm

    http://www.rushimports.com.au/supercharger.html

    Peak power figures don't go anywhere near telling the whole story on how a M90 supercharged 1UZ-FE is transformed.
    GSE20 IS250 - daily
    UZZ30 Soarer - 1UZ-FE/R154/Adaptronic - trackday roughie
    UZZ32 Soarer - Active Hydropneumatic Suspension (A-SUS) & Active Four Wheel Steering (A-4WS) - cruiser

  14. #59
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: 1uzfe mods

    Quote Originally Posted by manny
    The RUSH Soarer/Celsior Supercharger kit on PlanetSoarer was actually $5990 when it was available.
    Hmm, so it was.
    May be it changed from $5000 to $6000.
    I remember seeing the price go up $1000 at one stage though, can't remember when, or what to/from.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  15. #60
    Junior Member Automotive Encyclopaedia Nim's Avatar
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    Default Re: 1uzfe mods

    I allways wonder about these bolt on boost kits. Are they worth it? How much boost can you run on an engine with stock internals anyway?

    I guess your responsivness would be nice... heh heh.
    Daily: DC2 Integra VTiR :: 96kw @7300rpm - 132nm @6300rpm
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