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Registered:
October 2005
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1978 Toyota Cressida
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Wed, 12 October 2005 10:09
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I have an excellent 1978 Toyota Cressida, which is seriously underpowered. I am a complete novice, so can anyone suggest an appropriate replacement motor.
Thanks
Bronwyn
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Location:
Wollongong
Registered:
September 2005
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Re: 1978 Toyota Cressida
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Wed, 12 October 2005 12:48
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nice....
5ME???
Engines can be pricy. Pending on ur budget u could go for a high end M series engine (7M-GTE) or dive into the J series (1J-2J)
All depends i spose.......
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Location:
melb
Registered:
February 2005
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Re: 1978 Toyota Cressida
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Wed, 12 October 2005 13:23
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You can go as fast as you can afford.
MATT.
P.S. I Am partial to 1UZ V8's myself 
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Wed, 12 October 2005 13:29
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| bgwilliams wrote on Wed, 12 October 2005 20:09 |
can anyone suggest an appropriate replacement motor.
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"Appropriate" is very much a relative term. Perhaps you should give us an idea of what you consider appropriate. Are you interested in outright power? Stump-pulling torque? Super fuel efficiency? Low cost of maintenance? Low cost/ease of installation? A combination of the above?
Without more information we can do little more than throw random suggestions at you. Here's one: 2JZ-GTE!
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Location:
Wollongong
Registered:
September 2005
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Re: 1978 Toyota Cressida
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Wed, 12 October 2005 13:37
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Hey Norbie, have u dropped a 2JZ-GTE in ur MA61?
If ya have, did u encounter any dramas?
Cheerz.....
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Location:
Brisbane
Registered:
February 2003
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Location:
Wollongong
Registered:
September 2005
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 Re: 1978 Toyota Cressida
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Wed, 12 October 2005 14:00
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wiiiiiicked!
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Wed, 12 October 2005 14:07
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DriftX -> you need to follow THIS link 
(edit damm you charles, you sank my battleship  )
As for out cressida friend 
Norbie pointed out the major question, what do you want!
I would suggest you avoid a 5M-E at all cost, it is not a performance motor.
As good as 1JZ/2JZ's are I suspect you will have trouble fitting one without converting to rack and pinion (generally a costly experience), a NA 2JZ-GE would be a very good option tho!
If you want to go a little cheaper a 5M-GE (2.8L twin cam 6cly) or 6M-GE (3L twin cam 6cly) are good options and bolt in with the existing engine mounts, but both are getting harder to find in good condition these days as they are getting older. A 7M-GE (3L twin cam) is also an option but have know head gasket issues (nothing that cannot be fixed).
7M-GTE is also an option, and I think an all alloy V8 1UZ-FE would also be very nice
Bear in mind that you will need to tackle a few things to convert to EFI such as fuel pump, surge tank etc.
As you can see the world is very much you oyster, and to make you feel even better I believe that MX32 cressida's were the lightest toyota to come from the factory with a 6cyl engine, meaning that it should go well with an engine upgrade
Cheers
Wilbo
[Updated on: Wed, 12 October 2005 14:11]
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Location:
Brisbane
Registered:
February 2003
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Location:
Wollongong
Registered:
September 2005
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Re: 1978 Toyota Cressida
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Wed, 12 October 2005 14:19
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| wilbo666 wrote on Thu, 13 October 2005 00:07 |
I would suggest you avoid a 5M-E at all cost, it is not a performance motor.
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daaa...
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Thu, 13 October 2005 00:58
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| thechuckster wrote on Thu, 13 October 2005 00:16 |
| wilbo666 wrote on Thu, 13 October 2005 00:07 |
I would suggest you avoid a 5M-E at all cost, it is not a performance motor.
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Wilbo is dead right - and his enggrish is pretty good too, as this is the only (grammatically correct) sentence construction that can contain the words 'performance' and '5M-E'
back on topic... what diff is the MX32 gifted with? and what its likely lifespan if inflicted with something more powerful than a 4M ?
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4M 4M-C? goodness I believe. (? on the C).
Cheers
Wilbo
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Registered:
October 2005
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Re: 1978 Toyota Cressida
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Fri, 14 October 2005 12:41
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Thanks, guys, for all the suggestions. My biggest consideration is ease of conversion/cost, but I would like some nice, smooth power. Can you tell me more about the 1UZ-FE V8? We have V8's in two other cars, and they're both a nice ride.
This car is a genuine two lady owners - it has an easy life, and I expect this to continue, even if it has got more power!!
Bronwyn
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Fri, 14 October 2005 12:52
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1UZ V8 conversion = not easy and definitly exxy.
if you want ease of conversion, definitly stick to the M series of engines... quite possibly a 6m-GE or 7m-GE if you don't want to have to replace your diff in the next few months
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Fri, 14 October 2005 14:06
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Yup, the steering box means it will be pretty damn difficult to get any sort of V8 in there without doing a rack-and-pinion conversion (read: $$$). Much as it would be a nice cruiser with a 1UZ, it's definitely not an option if you're on a budget.
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Sat, 15 October 2005 01:01
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They're a little bit wider than the old crap I tinker with....I reckon you might be lucky and sneak one in. I know of an MS83 Crown that runs a 1UZ WITH the steering box. Best bet is to find someone who will lend you a motor for a day and have a play.
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Location:
1st street on the right
Registered:
November 2002
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Re: 1978 Toyota Cressida
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Sat, 15 October 2005 09:48
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| wilbo666 wrote on Thu, 13 October 2005 00:07 |
I would suggest you avoid a 5M-E at all cost, it is not a performance motor.
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Don't you go dissin teh 5m. It accelerates very well...
to the bottom of the ocean. 
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Location:
VIC, Sth Frankston.
Registered:
July 2003
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Re: 1978 Toyota Cressida
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Sat, 15 October 2005 10:16
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i vote 2jz-ge
5m-e's make baby jesus cry.
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Registered:
October 2005
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Re: 1978 Toyota Cressida
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Sat, 22 October 2005 01:46
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Okay, now I'm really confused. I spoke to someone who has just restored an old MG and he suggested I recondition the current motor. It's done 225,000 careful kilometres, and been regularly serviced. But will reconditioning give me enough extra power? Also, can someone recommend a person to look at my car and give me an educated opinion - reconditon or replace?
Thanks
Bronwyn
PS Is it possible to post pictures of your car on this forum?
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Sat, 22 October 2005 03:19
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| bgwilliams wrote on Sat, 22 October 2005 11:46 |
Okay, now I'm really confused. I spoke to someone who has just restored an old MG and he suggested I recondition the current motor. It's done 225,000 careful kilometres, and been regularly serviced. But will reconditioning give me enough extra power? Also, can someone recommend a person to look at my car and give me an educated opinion - reconditon or replace?
Thanks
Bronwyn
PS Is it possible to post pictures of your car on this forum?
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The money spent on reconditioning a 4M will really get you on your way to a 2jz-ge (esp if you are happy to stay auto). Except the 2jz-ge will have a lot more power and economy. Even if you do a performance rebuild I suspect that the 'hot' 4M will get killed by a stock 2jz-ge.
If the engine isn't shagged anyway I doubt you will pick up much power anyway, do a compression test.
what you really need to do is decide what you want, we have thrown a plethora of options at you, all of which are achievable.
Cheers
Wilbo
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Location:
Brisbane
Registered:
February 2003
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Re: 1978 Toyota Cressida
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Sat, 22 October 2005 03:37
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| bgwilliams wrote on Sat, 22 October 2005 11:46 |
Okay, now I'm really confused. I spoke to someone who has just restored an old MG and he suggested I recondition the current motor.
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restoring an MG motor makes sense as they're pretty rare and suited to repairing.
restoring a 5M makes no sense at all... they're relatively common (in wrecks) and the cost of rebuilding is not insignificant.
They were never a powerful engine to start with so reco'ing it isn't going to magically improve it.
like Wilbo said, spend that money on an wrecker or importer engine
if you want a motor from the same generation fo your car, rebuild a 5mge or 6mge - they'd be a reasonable improvement without coming from an imported half-cut.
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PS Is it possible to post pictures of your car on this forum?
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you need to host your pictures somewhere (<www.imageshack.us> and <www.flickr.com> come to mind as they're free and i use both) and then insert links to the pics in your posts.
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Registered:
October 2005
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Re: 1978 Toyota Cressida
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Sun, 23 October 2005 12:37
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Okay, so 5mge or 6mge sounds goodfor a start. Where would I pick up one of these motors?
Sorry to appear obtuse, but I really have no idea, just a dream to have my 'baby' take its place alongside the String of V8 Holdens lining the driveway.
I'm reading all responses with great interest and following up with a bit of internet research, so keep them coming, please.
Thanks
Bronwyn
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Registered:
October 2005
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Re: 1978 Toyota Cressida
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Sun, 23 October 2005 12:42
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Sorry, I forgot to ask. What about the 2jz-ge? How does it compare with the 5mge and 6mge in terms of ease of conversion and cost?
Bronwyn
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Membership Secretary
Location:
Sydney
Registered:
June 2002
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Re: 1978 Toyota Cressida
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Mon, 24 October 2005 02:04
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Straight out the 6/7M will bolt in using the existing engine mounts, u just pull em off the 4M and use them on the 5/6/7M.
where as the 1/2J will require custom engine mounts.
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Mon, 24 October 2005 02:22
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| TheStitt wrote on Mon, 24 October 2005 12:04 |
where as the 1/2J will require custom engine mounts.
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Said mounts however can be bought for $300.
Cheers
Wilbo
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Mon, 24 October 2005 02:32
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Physically mounting the engine is the easiest part of an engine conversion. The fun starts after the engine is in.
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Registered:
October 2005
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Re: 1978 Toyota Cressida
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Mon, 24 October 2005 02:59
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I'm expecting fun AND big expenditure.
So, if I decide to go for one of the motors mentioned - 5/6/7mge or 1/2jz-ge - where do I get one? And who do I pay the big bucks to sort it out for me?
Bronwyn
PS Is it possible to change from auto to manual transmission?
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Registered:
October 2005
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Location:
Brisbane
Registered:
May 2002
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Re: 1978 Toyota Cressida
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Mon, 24 October 2005 03:46
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| bgwilliams wrote on Mon, 24 October 2005 12:59 |
where do I get one?
And who do I pay the big bucks to sort it out for me?
Is it possible to change from auto to manual transmission?
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1. Engine importers/wreckers.
2. Any mechanic who specialises in engine conversions. Or if you feel like having your bumhole reamed, go to a "performance" shop.
3. Yes.
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Location:
Townsville North Qld
Registered:
June 2003
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 Re: 1978 Toyota Cressida
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Mon, 24 October 2005 10:02
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The engine you have to figure out what you want. As stated the 5/6MGE can be found at wreckers. The 7M or the JZ's should be sought after at importers.
Box... try and find a motor with a manual already attached, as then you know this will fit the motor and should take the extra power.
who to do the conversion?? personally i dont let others touch my beast mechanically. Through all the grease, grime, swearing and headaches, a great sense of satisfaction and acheivement can be attained once a conversion is completed. Otherwise, search around the mechanics shops and talk to the people who would be doing the job. Find out what they have done previous, and try and get a look at the jobs. Make sure they wont be letting an apprentice touch it.
theres my bit.
Cheers, Owen
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Location:
1st street on the right
Registered:
November 2002
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Re: 1978 Toyota Cressida
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Mon, 24 October 2005 10:36
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| TheStitt wrote on Mon, 24 October 2005 12:04 |
Straight out the 6/7M will bolt in using the existing engine mounts, u just pull em off the 4M and use them on the 5/6/7M.
where as the 1/2J will require custom engine mounts.
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But you have to make sure they are on the right side. But who would do such a thing???
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