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Registered:
July 2002
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Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 13:20
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Hey all,
I am new to these forums but I've been lurking for a while.
I previously owned an '84 Corona but now I own a Cordia Turbo. The thing is, I have a hankering for more RWD action ... and I was thinking about beefing up a Corona because I have seen a couple of impressive ones.
So ... I was considering these engines, and was wondering if anybody had any comments on ease of fit, suitability, and so on.
I would be looking for an easy 220 kW+ at the flywheel, preferably using the stock ECU.
Toyota 1JZ-GTE
Toyota 1G-GTE
Nissan FJ20ET
Nissan RB20DET
Thanks!
Alex
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Location:
Cabramatta, NSW
Registered:
May 2002
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 Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 13:34
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A 1G-GTE boosted to 14psi will make over 220kW at the fly.
That's the easiest conversion and the cheapest way to meet your target.
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Location:
Sydney
Registered:
May 2002
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 Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 14:09
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seems to be a lot of corona modders lately hey Max?? 
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Location:
Cabramatta, NSW
Registered:
May 2002
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 Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 14:17
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Yeah! Must be something in the wind....
Hope I don't catch it!!!  
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Registered:
July 2002
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Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 14:26
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Oy!
What's wrong with Coronas?
I'd take pleasure in raping other cars in one.
Is it true that the 1G-GTEs are a bit lacking in low speed torque?
Also how do they compare weight wise to the standard 2S-C and 22R-E motors?
Cheers
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Location:
Cabramatta, NSW
Registered:
May 2002
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Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 14:32
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Dude, with the weight of your car, you won't really notice the torque. Once on boost, there's plenty of torque though (275Nm).
If you want, come along to the dyno day or the monthly meeting and I'll take you for a ride.
The 1G-GTE was lighter than my 21R-C so it's definately lighter than the 22R-E. Not sure how heavy a 2S-C is though so I can't comment on that.
Oh yeah, don't worry about the Corona jokes. At least you aren't driving a Corolla/Sprinter....
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Location:
Sydney
Registered:
May 2002
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Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 14:52
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just for the record tyreburner i own and drive a ST141 COrona sedan!!!! SO I'm not picking on you at all!
By all means i am actually encouraging you to do up a corona!!! I want the 1GGTE in mine! 
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Registered:
July 2002
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Re: Corona ST141 / RT142 conversion options
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Tue, 02 July 2002 15:49
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Hey,
Nark: I live in Melbourne so unfortunately I can't take you up on that offer! What G-tech times etc do you get on your Celica?
Mr_Fusion: Yeah I owned the 2 litre Corona before ... It was a 4-speed but it was great ... I could chirp it into second and it inspired my lust for performance.
Some guy in NSW or Queensland advertised one in the Trading Post the other week with a Nissan FJ20ET in it. I heard those engines were bullet proof ... and with the Toyota twin turbo engines, I wasn't so sure about reliability with the two turbos.
Do either of you know of a suitable brake upgrade for Coronas?
As for fitting a 1GGTE, do the standard 2S or 22R-E mounts fit?
Cheers!
Alex
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Location:
Cabramatta, NSW
Registered:
May 2002
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Re: Corona ST141 / RT142 conversion options
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Wed, 03 July 2002 02:33
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No G-Tech times, but I guesstimate about 0-100km/h in 6.5 seconds and quarter mile in mid-14s. I beat 200SXs and WRXs if that gives you an idea of speed.
Never mind the Corona jokes from me, ST14x and RA6x are almost the same cars anyway! 
I wouldn't really worry about reliability especially with your power goal. It's a Toyota engine....
And FJ20DETs are quite as bulletproof as a lot of guys would have you believe...
No idea on the brake upgrade. You should have the 255mm vented front disks shouldn't you? Do you have rear discs or drums?
You will require custom mounts to fit a 1G-GTE...
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Registered:
July 2002
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Re: Corona ST141 / RT142 conversion options
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Wed, 03 July 2002 05:40
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Nark,
I'd be nearly getting mid 14s on the Cordia. I was hoping to break into the 13s otherwise I'll just keep the Hordia. Except the 0-100 sucks on this car, bloody FWD.
Although reliability is one benefit of Toyotas!! I spent $25 on the old Corona in 2.5 years. I've changed a few things in six months on the Cordia ... thank God for the parts car
Brakes on the ST141 were solid not vented, and 250mm. The rears were drums ... I'm not sure whether to get one with the all wheel discs (RT142s only I believe, not sure though) or not since they are more expensive ... and the ST141s look better.
What are the custom engine mounts worth?
Thanks again!
Alex
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Location:
Sydney
Registered:
May 2002
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Re: Corona ST141 / RT142 conversion options
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Fri, 05 July 2002 15:56
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hey mate i got a quote for custom engine mounts, install gearbox (not wiring of computer etc) for $1100 at Mrenforcer engineering, that wa s a coupla months ago though!
I agree that the st141 is the better shape all in all as well!
Ive been told by people on the forums here as well that the rt141/2 rear disc end bolts straight on to the ST141, im hoping to do that this year!
ALl the best and keep in touch mate, we can swap tips!! 
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Location:
Cabramatta, NSW
Registered:
May 2002
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Re: Corona ST141 / RT142 conversion options
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Sat, 06 July 2002 01:20
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tyreburner, keep in mind that my car is completely stock. I haven't even wound the boost up!
I'm sure if you boosted it up, slapped some new turbos on, and put in a decent dump pipe you could run 13s easily.
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Location:
Taree
Registered:
August 2003
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Re: Corona ST141 / RT142 conversion options
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Mon, 18 April 2005 07:25
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Hey Hey.
Another few keen Corona owners.
I myself have an ST 141 "Avante"
If you're after a disc rear end the Avante model in the ST141 would be the go.
I'd have to check if they're vented or solid.
They're a great improvement on the drum brakes of the other ST141's.
Previously owned a CS ST141 as well.
Avante mainly came in a 4 speed auto. (3Spd + O/D)
Therefor you will get a different ratio if you use the overall diff.
But you can just change the axles/brake assemblies.
I know i've killed a couple of diffs, since it was changed from auto to manual.
Well a bit of useless ramble may come in handy.
I'm keen on getting a RT142 series and performing some upgrades.
Also drive round a 1992 Cressida "Grande"
Minor mods as yet.
Cheers,
Nathan
"Narf!"
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Location:
Campbelltown
Registered:
November 2003
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Re: Corona ST141 / RT142 conversion options
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Mon, 18 April 2005 07:27
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mate the thread is three years old, 
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Location:
Taree
Registered:
August 2003
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Re: Corona ST141 / RT142 conversion options
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Mon, 18 April 2005 07:32
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LOL yeah i noticed that just before i posted it...
Never know might come in handy for someone!
hehe.
Could be something still on the production line like a lot of my plans lol.
Money is the big limit!!
And spare time too.
Just wondering has your corona got any mods?
Cheers,
Nathan
"Narf!"
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Location:
Campbelltown
Registered:
November 2003
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Re: Corona ST141 / RT142 conversion options
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Mon, 18 April 2005 10:41
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suspension and thats it at the moment i'm considering buying a corona already with a 1ggte in it for fun, track days and possible drift. Just gotta find one in my budget.
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Location:
castel hill
Registered:
April 2005
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Re: Corona ST141 / RT142 conversion options
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Mon, 26 September 2005 09:38
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hey i own a smik corona avante, not many mods, was given 2 me by my grandpapa bout a yr ago now...i was originally planning on selling it but decided 2 keep the old gem cos of its great condition only done 190000kms
now im thinking of a engine conversion in the not so distant future aswell as brake upgrade and converting it 2 manual
wat do u guys think? is it worth it?
p.s. has any1 else noticed the crap amount of leg room in the rear????argh
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Location:
Brisbane
Registered:
May 2002
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Re: Corona ST141 / RT142 conversion options
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Mon, 26 September 2005 14:40
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| marshall wrote on Mon, 26 September 2005 19:38 |
wat do u guys think? is it worth it?
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No. Engine conversions are never worth it.
However, that hasn't stopped a lot of us from doing it anyway. It doesn't make sense, but it doesn't have to. 
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Location:
castel hill
Registered:
April 2005
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Re: Corona ST141 / RT142 conversion options
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Tue, 27 September 2005 08:30
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true....well its goin 2 b a slow project but ive decided im goin 2 go ahead with it 
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