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Registered:
August 2005
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1985 Cressida 5M-GE to a 1JZGTE Engine
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Sun, 07 August 2005 16:22
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Hi everyone I'm new but I'm extremely eager to get my Car back on the road I am no mechanic which is a pain being I have to pay for labour that I could do myself if I knew how! Anyways I have a 1985 toyota Cressida GLX-i with a 2.8L inline 6 cyl 5M-GE engine that had the rocket seals replaced to figure out why my compression test was backwards to the norm. After the rockets were replaced it seemed the cam seals were perished and the cam rings and cams are gone due to the oil getting in them. The Engine is pretty gone now so i've been looking at converting the car to have a 1JZGTE Engine installed a "Soarer JZZ30 2.5GT-T Twin Turbo" to be exact. I've been told this is a popular conversion nowadays and it takes little trouble (apart from the normal) to allow the car to use it. it has ECU which seems to be cool cos my car already had that with the 5M-GE although because the 5M was a 3 speed auto and this new engine is a manual I am getting an extra 4 speed auto gearbox to suit it. was wondering what kind of advice you could give this rooky!
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Location:
Sydney
Registered:
February 2003
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Location:
Perth
Registered:
October 2003
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 00:18
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This appears to be a revolutionary new engine you have fitted in your Cressida. I say screw the 1JZ, keep the rockets and cam rings!!
Seriously though, my advice is to start by googling "internal combustion engine" and read as much as you can.
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Location:
Brisbane
Registered:
May 2002
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 00:41
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Hmmm, are you planning on doing this conversion yourself or paying someone to do it? 
Anyway your Cressida is very similar to the MA61 Supra in the engine bay, and lots of people here have done JZ conversions in MA61's so you'll find all the info you need if you search.
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Location:
Brisbane
Registered:
May 2002
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 00:52
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OK to start with punctuation is a wonderful thing! Ever heard of paragraphs? ...
This is a new paragraph it makes things much easier to read and understand 
| Roachy wrote on Mon, 08 August 2005 02:22 |
The Engine is pretty gone now so i've been looking at converting the car to have a 1JZGTE Engine installed a "Soarer JZZ30 2.5GT-T Twin Turbo" to be exact.
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Right, well this engine will have the wrong sump position on it (it will have a mid-rear sump as opposed to the front sump you will need). It is possible to change sumps, but front sumps are quite rare, sought after and hence expensive. If possible search around for a JZX81 or JZX90 halfcut, these will have front sumps 
You will need to use all the engine management electrics that come with the engine (you existing 5mge ECU etc will be useless). This is why getting a front cut is usually the best option.
And a finial word of warning, if you aren't able to do the mechanical work yourself expect to spend a very large amount of money to get it going (say $10K +).
Cheers
Wilbo
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Registered:
August 2005
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Location:
c'town, NSW
Registered:
May 2002
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 05:51
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engine, transmission, engine mounts, intercooler, wiring, exhaust, engine seals, plugs, oil, filters, brakes, radiator, fans, trans cooler, tailshaft, engineering, miscellaneous.
not to mention cost of labour which will be the real killer as you cant do it yourself.
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Location:
Brisbane
Registered:
May 2002
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 05:56
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Engine conversions are expensive. You might not understand why it would be so expensive, but those of us who have actually been there and done that understand all too well. Remember it's not just a case of bolting in the engine - you also need to upgrade the drivetrain, brakes, suspension, cooling system, electricals... the list goes on and it adds up quickly.
My advice is this: engine conversions in almost cases are not worth it if you can't do the work yourself. The labour costs are horrific and you could very easily be out of pocket a lot more than $10k, depending how much the workshop wants to gouge you.
If you just want a turbo car you might be better off just buying one. Unless you have a very good reason to stick with the Cressida this will be so much easier and cheaper to get the same result.
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 05:57
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Front differential???? wtf?? this aint no AWD.
Anyway, that aside, you still need to buy
A front sump and mounts - $350-$500
a gearbox - $400 there for auto.
an intercooler, muffler, catalytic converter, full exhuast, intercooler piping. - $2000-$2500 there
Get someone to wire it up if you don't do it yourself - $600+
Fluids, plugs, filters, timing belt, maybe waterpump - $300-$600 there.
Engineering -$500
Maybe bigger brakes for engineering - $700
You'll need an LSD otherwise car will be useless in the wet - $500
You'll need good tyres if you don't already - $400
Radiator service - $100
The list is endless.
These are just a couple of things off the top of my head, Rob has mentioned more.
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Location:
Brisbane
Registered:
May 2002
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 06:02
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Start the conversion and you will soon work out that it all adds up
Roughly off the top of my head...(don't quote me on prices, I said roughly )
*engine mounts $300
*engine mount rubbers (may not be needed)
*oil/fluids filters etc $200 +
*exhuast / intercooler / piping $2000
*wiring $500 +
*driveshaft $300
*PS lines $200
*radiator clean / recore / thermos $400
*fuel pump $150
*airfilter piping / modifications require to fit air box etc $150
*timing belt,rear main seal, gearbox seals etc (preventative stuff) $200
*clutch, pressure plate $500
*flywheel $150
*flywheel bolts
*clutch line, slave, master cyl
*clutch pedal, smaller brake pedal
*front sump $300
and the killer for you my friend
*labor @ ~$50 per hour  (I'd suspect anywhere from $3000? (I have no idea!) -> 1 billion dollars)
I'll let you add it up There is much more to the conversion than just 'bolting it in and putting a tank of petrol in it'
I'd suggest you find a running 5mge to put in after you have added up the expected costs Maybe try and find some friends to help you such that you can learn and one day perhaps consider the 1JZ option when you can do most of the labor...(even then it still won;t be as cheap as what you envisage).
Cheers
Wilbo
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Registered:
August 2005
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 06:20
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thanks for the replies just means I'll have to get off my ass and looking into that mechanics apprenticeship a little faster it also sux that I only have an auto licence although for a guess would the ar even get anything without a good condition engine(it still drives and has no problem starting or anything just has oil leaks and not much guts). What would be a nice "beginners" turbo car for the guy that wants reliability aswell as not going broke?
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 06:25
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A 7MGTE conversion will be a lot cheaper.
But don't expect it to work out much less than 5grand.
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Registered:
August 2005
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 06:29
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the other reason I wanted to keep the Cressy is cos I have "dragged" on freeways and highways many other cars of it's age up till about 91's where both me and the opponent have flat footed the suckers and even with the oil leaks and cams being rooted I've whooped their buts now it not real possible being it failed it's compression tests by alot but something about the car makes it run extremely well even with the problems. I've heard that the 7M series like blowing their heads is that true?
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Location:
Brisbane
Registered:
May 2002
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 06:49
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You want to keep the Cressida because you think it's fast? There are many cars that will easily outrun a Cressida but will cost a lot less than a 1JZ swap.
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Location:
sydney
Registered:
March 2003
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 07:03
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a mechanics aprrentaship will not even get u close to doin most of the work yourself
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Registered:
August 2005
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: 1985 Cressida 5M-GE to a 1JZGTE Engine
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Mon, 08 August 2005 07:08
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| Roachy wrote on Mon, 08 August 2005 16:29 |
the other reason I wanted to keep the Cressy is cos I have "dragged" on freeways and highways many other cars of it's age up till about 91's where both me and the opponent have flat footed the suckers
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and doing this on your Auto P's??
fuckwit....
maybe you should learn to drive a manual before getting a high powered car.... then again, if you only take out yourself, it may be better for the gene pool  heh heh
sorry to sound harsh, but A) you have no idea, and B) you say you are not a responsible driver.... noice one bruv.. fooly hektik bruv
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