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Location:
Canberra
Registered:
August 2003
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Gen2 3S-GE into ST162
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Sun, 23 November 2003 01:15
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Hey people,
wondering if anyone can gimme a hand here, my gen1 3s-ge in my st162 shat itself the other day (ie. the engine is fucked!) and so needs a replacement as a rebulid for $5000 seems a waste of time and money.
SO what i was thinking of doing is grabbing a gen 2 (MR2 or ST182) and sticking that in there for a bit more power. Does the gen 2 have to same mounts as a gen 1? would it bolt up to my st162 gearbox? can i just take out my gen1 engine and wiring and replace it with gen2 engine and wiring?
if not can i get a 182 halfcut and stick the whole contens under my bonnet?
if anyone can shed some light on this it would be very much appreciated!
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Location:
Tamworth
Registered:
October 2002
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Re: Gen2 3S-GE into ST162
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Sun, 23 November 2003 11:19
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yep it should go right in no worries at all and the loom should plug up without a problem aswell
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Location:
Canberra
Registered:
August 2003
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Re: Gen2 3S-GE into ST162
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Sun, 23 November 2003 11:28
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thats about the best news ive heard this year! have you done it or know someone who has?
so i should be able to grab an mr2 engine and plonk it in ok? i was reading about them and read they have 117kw which means i can get a legit engine swap cert without engineering cert. do i need an mr2 ECU? cos an mr2 chip would be pretty cool too
thanks man
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Location:
Melbourne
Registered:
February 2003
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Re: Gen2 3S-GE into ST162
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Sun, 23 November 2003 21:12
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No, Gen 2 3SGE will not bolt up to ST162 gearbox. Gen 1 inlet manifold and all Gen 1 efi gear will have to be fitted to the Gen 2.
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Location:
Melbourne
Registered:
May 2002
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Re: Gen2 3S-GE into ST162
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Sun, 23 November 2003 21:53
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any "S" motor will bolt to any "s" series gearbox, so the gen2 motor will bolt to the s54.
& the gen1 inlet & exhaust will NOT bolt to the gen2 motor. the gen2 motor will require some rewiring to get it to work in the st162 body.
T
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Location:
Canberra
Registered:
August 2003
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Re: Gen2 3S-GE into ST162
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Sun, 23 November 2003 23:05
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So.
gearbox is fine.
ill probably need to make a new intake from throttle body out (probably pod filter where the airbox once was).
ill need a new exhaust manifold (probably make a custon plate for a set of gen1 extractors).
and what kind of rewiring issues do think im facing here? this will be my first engine conversion but my mate will be helping me, he's just put a 3s-gte in his st162 so there is plenty of tech knowledge available to me.
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Location:
Melbourne
Registered:
February 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 01:03
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I found it easier to use gearbox from a GEN 2 (particularly for starter motor mounting and mesh to flywheel). I used GEN 1 inlet manifold when installing the GEN 2 into ST162.
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Location:
Canberra
Registered:
April 2003
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Location:
Canberra
Registered:
April 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 01:17
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So Supra1978, you've done this swap?
So the gen 1 inlet manifold worked fine?
what did you do with the exhaust, did the gen 1's match up?
also did you use the gen 2 ecu and loom?
These are the only 3 problems I forsee in the swap.
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Location:
Melbourne
Registered:
February 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 01:29
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Yes, I've done the swap. Inlet manifold from GEN 1 worked. I used the exhaust manifold from the GEN2 (never tried fitting the manifold from the GEN 1 as it was cracked). I used the existing loom and ECU in the ST162.
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Location:
Epping, Sydney
Registered:
April 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 01:42
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. I used the existing loom and ECU in the ST162.
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Do you think using the old ECU affected performance?
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Location:
Melbourne
Registered:
February 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 03:03
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The Gen 2 is probably not performing as well on the original ST162 EFI, but I'm not in a position to do a comparison. Either way the Gen 2 running on Gen 1 EFI performs so much better than the worn out Gen 1 3SGE did, so I'm happy. It does feel a bit more powerful than the Gen 1 engine ever did, but I have no dyno figures to back this up.
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Location:
sydney
Registered:
March 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 03:15
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is the 162 the old style celica that like carlos sainz rolled 7 times in the rally
i have wired up these before
st165 or gt4 ecu and wiring loom
and cut the plugs of the orig loom and mate them to new loom
and also mate everything into the existing fusebox
because the gt4 fuse box is way too big i think
its a long job to do it properly and make it look standard
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Location:
Wahroonga
Registered:
June 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 04:02
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Dude go the 3SGTE conversion u will enjoy the power increase a lot more than the 3SGE.
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Location:
Melbourne
Registered:
May 2002
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 04:31
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amount of rewiring is dependant on whether you buy a motor package or just a motor. motor package is best for performance, otherwise you will have to have the gen1 manifold modified to suit the gen2 block. exhaust is simpler (gen2 much larger diameter though)
T
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Location:
Canberra
Registered:
August 2003
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Re: Gen2 3S-GE into ST162
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Mon, 24 November 2003 09:09
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Okay so, i get a full gen2 3s-ge engine package, plug it into my gearbox, put my inlet manifold onto it, hook it up to my wiring and ecu bolt it all up, only thing im still unsure of is the exhaust manifold.
Supra, you said you used the gen2 exhaust manifold, did that bolt up to your old exhaust system? which car was the donor of your gen2, mr2 os st182?
and in response to draza, sure a 3s-gte would be great...but im poor, the gen2 sounds a good option cos its still N/A heaps cheaper, doesnt need to be engineered but still provides a neat little power hike.
thanks for everyones advice
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Location:
Canberra
Registered:
April 2003
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Location:
Canberra
Registered:
April 2003
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Re: Gen2 3S-GE into ST162
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Tue, 25 November 2003 23:45
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Hey supra1978, I would be really interested to know what car you got the engine from, was it an MR2 or an ST182 import Celica? 
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Location:
Perth
Registered:
October 2002
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Re: Gen2 3S-GE into ST162
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Thu, 27 November 2003 08:25
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FWIW, I did this swap (Gen2 out of an Mr2 into ST162) a few months ago with the wife's car. Dead easy - the new engine just lists to the side by an exta 5 degrees or so. Extra torqu in 2nd is noticable. I'm no mechanic, but even I could manage this swap with a few beers, lots of time and bruised knuckles.  Go for it!
Good luck,
Justin
JZA61 ... some day.
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Location:
Canberra
Registered:
April 2003
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Re: Gen2 3S-GE into ST162
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Fri, 28 November 2003 06:05
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Justin, thanks for the reply mate, yeah I can't see it being that hard to do, pretty much a straight swap (I just swapped a 3SGTE into a ST162, gotta be easier than that)
did you use the inlet/exhaust manifold off the gen2 or the gen1? and I'd be interested to know wheter you used the loom and ECU from the MR2 or your original?
Thanks man
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Location:
Perth
Registered:
October 2002
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Re: Gen2 3S-GE into ST162
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Fri, 28 November 2003 06:38
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Jeez - if you can manage the GTE, you can definitely manage the Gen II.
I used the Gen. II manifolds with the Gen I Celica ECU & loom. Pobably losing some potential power with the Gen I maps - but it's really just the wife's runabout car. 
Good luck,
Justin
JZA61
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