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Location:
Adelaide, SA
Registered:
May 2002
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 smoky 1jz-gte
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Sat, 01 June 2002 04:29
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G'day all,
Ive droppped a 1jz-gte from a jza-70 into my MA70 and have recently noticed when it is idling for a while blue tinged smoke starts to drift out of the exhaust. When revved it pushes out a cloud of smoke, but then smokes no further. After idling again for a while the smoke returns etc.... This is the first turbo charged car I've owned and I am wondering if this has something to do with the turbos. The front cut had done 145,000km (I know, not ideal but it came with a R154 5 speed on the back of the 1j).
Also we've managed to figure out the wiring so the TEMS works, the dash works (all orignal needles etc -hybrid tacho built) etc so I'll try to organize a list of plug pinouts etc soon.
Cheers,
lumpy.
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Sat, 01 June 2002 06:11
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hey i've been told these things eat up spark plugs like an 18 year old eating chips after pulling a few cones  maybe its a stuffed up plug, its my understanding that if the/or one of the turbos are stuffed that when the engine comes on boost it will piss out blue smoke then.....
ps i don't know heaps about these engines either so guys please correct me if i'm wrong
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Sat, 01 June 2002 10:25
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Valve stem seals ?
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: smoky 1jz-gte
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Sat, 01 June 2002 11:06
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sounds a lot like valve stem seals....
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Registered:
May 2002
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Re: smoky 1jz-gte
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Sun, 02 June 2002 01:03
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It is almost definitely(ie. more likely) to be worn seals/bearings in the turbos.Mine showed the exact same symptoms at 130km.New seals/bearings in turbos stopped the blue smoke.
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Sun, 02 June 2002 06:25
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hey blake with the turbo mod you've done, have you pushed to boost further yet???
i eventually want to do the same mod not for more power but for peace of mind, what were the turbines you used and what was involved in getting them in there??? i saw a kit you can get from japan for about 4500 grand but this give big power gains (i cant have this the car has to remain a streeter and i dont want to spend the bucks
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Re: smoky 1jz-gte
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Sun, 02 June 2002 07:53
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I too would be very interested !!
I wanna know if I can get the big girl into the 12's on reco'd high flowed ct12a's !!
any info would be great !!
Matt
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Location:
Adelaide, SA
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 04 June 2002 11:40
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Thanks for advice thus far....
New spark plugs to go in on weekend (not just for mystery smoke but for stuttering miss as well!)
Also, BlakeNZ what did you do to re-con your turbos? I've heard whisperings about upgrades (steel impellers? oversize impellers?) or can you get new seals and bearings in a kit from Toyota? I guess I'd like to increase the boost at some stage so I'll need to ensure turbos are in good nick beforehand.
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Location:
UK
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 04 June 2002 15:36
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Mine also does this..and also pours some smoke out on startup when warm..yet produces no smoke when revving and driving hard (although occasionally it will pour out a blast of smoke briefly on hard acceleration after a steady trundle)
does this point to turbo seals then? My turbos were rebuilt around 20,000 km ago.
adi
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Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 05 June 2002 06:21
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I currently have standard ceramic turbines in mine,which i had reconditioned.Any turbo shop can recon them for you.I had steel turbine wheels in,and i pulled these out so I could do a B4 and after dyno to compare power figures,but there was no difference.The steel wheels came from the CT12 turbos in the 1ggte motor.They are slightly different shape,but fit with no mods,due to sharing the same shaft diameter.I think the turbo guy uses CT12 bearings on the turbine end and CT12A bearings on copmpressor end.They start making positive boost at the same revs as each other,even though the ceramic wheel and shaft weighs half as much as the steel one.Yeah i do run higher boost,sometimes it spikes to 19psi and then holds 16 psi.(on the dyno or drag racing).The only disadvantage of the steelies is that they whistle a tiny bit under heavy acceleration(some people wouldn't even notice it)-we think this noise is due to the extra clearance in the exhaust housing due to different shaped wheel.I have no experience of high flowing CT12A turbos.I was quoted $850 each to high flow them(compressor and exhaust ends).I also loolked at using CT12B (MK4 Supra) compressor wheels and housings.The housings are surprisingly similar in size,andare a direct fit,however, the plumbing to and from them is different,and the compressor wheels(significantly larger than Ct12A ones)require a thicker shaft.The CT12B shaft is too fat to fit the CT12A core.Machining and sleeving was cost prohibitive.Especially when you realise that the most a CT12B equipped engine can dyno is 242rwkW,and I know of two CT12A equipped soarers that did 225 rw kW.Not a big difference considering the difference in size of compressor wheels.My turbo shop and I spent weeks and $ trying to come up with a cost effective,standard looking power upgrade for the CT12A turbos and eventually had to let it go.I firmly believe that the 1jZ(and 2JZ)motor is held back hugely by its standard turbos,and i will demonstrate this in the next few months when I install a Garrett GT30 turbo onto one of my 1JZ motors.
Adi,your engines symptoms are not familiar to me,hence I will not speculate as to what the hang is going on,mate.
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Location:
UK
Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 05 June 2002 10:22
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Cheers Blake, i've got no idea either..especially since an emissions check says everything is fine.
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Location:
MACKAY
Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 05 June 2002 12:23
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lumpy
It sounds like the rear seal in the turbo is gone , An easy way to confirm this is to start the motor and block off the crank ventalation outlets in the cam cover as to build up a bit of preasure in the crankcase , inturn this will also create preasure in the turbo center housing and if the seal is gone this will force oil past the seal into the exhaust housing causing your exhaust to blow smoke . ( do this test at operating temp )
Trevor
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Location:
Adelaide, SA
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 11 June 2002 08:46
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Thanks to everyone who replied to my post. I changed the plugs but still have smoke, tried the "pressurize the crankcase" test and got smoke. So the turbos need new seals/bearings. I sort of expected that considering the km's on the engine but I couldn't go past the chance to get a manual front cut!
And if it does turn out to be valve stem seals..... there'll be tears before bedtime!
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Club Member
Location:
Sydney, NSW
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 11 June 2002 12:44
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Lumpy,
If u get a front cut where would u get it from??? I am interested in getting a front cut but i don't really know where to get it from... Can someone please suggest something cause i'm running out of time and patience... Any help would be appreciated...
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 11 June 2002 12:59
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thanks blake i wanted to know cause i want to keep them the same but stronger i belive i'll be quite happy with the power figure i'll be getting (considering i'm used to driving my stockie 7m-ge non turbo and my girlfriends charade) i need the car to be drivable has to be used everyday but i want to be able to wind it up to 16 to 18 psi when i take it to the track and not hve the turbines fall off and kill my expensive cat as well as having dead turbos 
i need reliabilaty over everyting!!! if your not going use the steel turbines and they are cheap enough to send over would you concider selling to me with the berrings i'll need for a small fee ???
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 11 June 2002 13:04
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you're right blake
the modding company projects I read about all reckon the 2JZ's biggest stalling point is it's turbos
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 11 June 2002 13:07
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SSS Automotive are cool... give them a call first... tell them your from toymods if you go down to see them
just jap in morebank are cool
but i'd reconmend Asian Auto Spares at slacks creek QLD these guys know us too
man do the research it pays off trust me go buy some mags zoom and HPI are the best and look around on the net..ps DON"T FREAKIN RUSH IT!!! RELAX IT"S A CONVERSION!!! IT WILL TAKE TIME
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Tue, 11 June 2002 13:18
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yeah i agree to blake aparently(obviously) they wernt desighed for all out performance instead they meant to not feel like there are turbos there just a big engine, how about the new 1J's whats with the single ct20  !!!! i think they should do a bit of work on the old ct26 (like ball bearings, bigger turbine) and ship it with them instead thats would raise a few nissan drivers eye brows  ...
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Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 12 June 2002 06:47
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The single ct-20 that your talking about is the ct-20b.
Its craploads better than the ct26, the last of the 3sgte's (sw20's st205) also had that ct-20 on them.
Has a smaller center shaft and flows alot more, it's a great turbo.
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Club Member
Location:
Sydney, NSW
Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 12 June 2002 07:43
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Thanks for the info... It's not a conversion though... I'm only replacing the old motor... I don't think i'll get it from QLD... Otherwise that'll add more money to the total which i'm trying to keep down... But thanks anyway... I'm gunna ring SSS, Just Jap and also Jap Performance... I don't think i'll need to read the mags as i'm only replacing the old one... But yeah, thanks anyhow...
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Location:
Adelaide, SA
Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 12 June 2002 09:14
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As I am in Adelaide, I got the front cut from Japanese Motorsport, I'd heard good things about them re quality and bad things re attitude. I found they are nice if you are spending money, and curt if you aren't. They seem to be more Nissan orientated than Toyota.
The conversion took 6 - 7 weekends with me and my Dad, with a lot of time spent on the wiring (and Dad is an electronics Technician).
And as MX83TOY didn't say....It will cost you a bit more than you expected!
Definately worth it.
Maybe easier to replace motor, but then it wouldn't go so fast!
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Location:
gold coast
Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 12 June 2002 10:34
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the single turbo's in 1j's are called CT15b's. AFAIC. But i may be wrong.
BTW: to anyone who is interested i will have my CT12a's for sale for $500(soon). PM or email me if interested.
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Location:
Sydney
Registered:
May 2002
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Re: smoky 1jz-gte
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Wed, 12 June 2002 12:22
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i'm really really sure it's a ct20 pete i read it in a toyota turbo review in hpi or zoom i forget...
i also read (sorry not based on expirience) that the ct26 will make more power than the ct20... i think the ct20 is better matched to the 3s for sure but i think it would be out performed by a ball bearing version ct26 with to4 turbine on a 1j...
guyz corret me if im wrong
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Location:
Preston
Registered:
June 2002
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Location:
gold coast
Registered:
May 2002
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Black smoke???
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Wed, 19 June 2002 10:26
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Maybe try getting the injectors cleaned!! After that many k's they probably are a little dirty. ($25-30 to clean)
P.S. If they are stuffed i have 6 spares with 70000Klms on them.
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Location:
ACT
Registered:
May 2002
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Re: smoky 1jz-gte
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Thu, 20 June 2002 05:01
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When i took me ae86 out for the first time after a 1g-gte coversion i had black smoke (not blue though). I left it thinking its just an itch but one morning my car wouldn't start.
I had my injectors cleaned and its been bliss ever since . That's how much shit was left on the injectors whilst the conversion was taking place.
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Location:
ACT
Registered:
May 2002
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Re: smoky 1jz-gte
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Thu, 20 June 2002 05:26
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Oh by the way PETE, your price of 25-30 $ is per injector isn't it?
Cause i paid over $300 bucks.
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