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*** EVERYTHING IS REQUIRED READING, IF YOU PLAN TO DO THIS
SWAP AND DO NOT HAVE THE PATIENCE TO READ WHAT I HAVE TO SAY,
THEN YOU DON'T HAVE THE PATIENCE TO DO THE SWAP***
First, we are going to cover the bases:
You MUST understand from the start, this swap is not necessarly
clear, clean, cut and dry. Understand the words your about
to read: Every swap is different and every person can go about
it a different way. There is no end all - be all of the 3S-GTE
/ 5S-FE swap. There are different versions of the 3S-GTE and
different transmissions that can be used. This FAQ ONLY contains
information on a 3S-GTE swap into a 5S-FE powered 5th gen
(90-93) Celica.
For this FAQ we are going to assume the use of a 2nd generation
3S-GTE. The particular one put into this 90 GTS was a JDM
spec. The 2nd gen 3S-GTE (through out the rest of this FAQ
referred to as the 3S) can also be found in the 90-93 Alltrac
Celica's and the MKII MR2 Turbo's, both are USDM spec. To
make it easy on ourselves, we got a whole front clip of a
GT4 celica. I would recommend this to everyone. We didn't
have to relocate small things like alternators, hoses etc.
It was all ready to go in and the intercooler was in the correct
place. If you plan to use a 3S-GTE from an MR2, again, I'm
not much help to you on some specific things but the overall
jist applies. We are also going to assume that the stock S53
Front Wheel Drive transmission was used in this swap. If you
do use the MR2 3S-GTE, understand that Intercooler piping,
hosing etc, a major portion of it all will be custom fabricated
and your price will go up.
The USDM spec 2nd gen 3S's are 200hp & 200ft/lbs of
torque. As stated above, the 2nd generation (through out the
rest of this FAQ referred to as gen) 3S put into the 90 GTS
was a JDM spec which makes 225hp & 200ft/lb of torque.
The major difference is in more aggressive ECU tuning, there
are really no differences in the USDM and JDM spec 3S's that
I'm aware of. The 2nd gen 3S-GTE is the most available and
most cost effective, there are other generations with different
horsepower ratings and options. To get information on those
is not the purpose of this FAQ.
With that said, an ECU swap is NOT just plug and play.
There are sensors on the USDM engine, different wiring in
the harnesses, etc that must be changed and/or removed. Baiscally,
if you want the JDM with more base power.. then buy the JDM!
Secondly, buy manuals to read. Start with a Haynes and
Chiltons and then graduate to the Toyota repair manuals.
Now that you have a basic understanding of what engine
and what its capable of doing, understand this.. I DO NOT
KNOW EVERYTHING! I could only wish I do, I know enough that
I was able to do the swap and am making progress, but it is
ALWAYS and uphill battle.
Basic parts list:
1. 3S-GTE engine
2. engine wiring harness (if you plan to do a custom harness,
I'm not the one to talk to)
3. ECU
4. Useable transmission (this will be addressed at a later
date)
5. Ignitor pack
6. Coil pack
7. Upgraded clutch for whichever transmission you are using
Obviously you will need misc things incase of wiring issues,
radiator hosing, throttle cable, fuse boxes etc. These things
are going to be up to you to make so you have and come with
the parts listed above. Again, this is why it is a GREAT reason
to buy a full clip. All the parts you will need will be there.
Lets go over some more understanding here before we get
to it. The 3S-GTE will fit into the 4th gen (85-89), 5th gen
(90-93) and 6th gen (94-99) Celica. Since the clip we bought
was from a 90 GT4 and it was swapped into a 90 GTS, we reduced
a lot of stress on the work because many of the internal systems
are redundent between the 3S-GTE and 5S-FE. In other words,
if you try to take a 3S from a 5th gen and put it into a 4th
gen OR take a 3S from a 5th gen and put it into a 6th gen..
your opening up a WHOLE nother can of worms!
Basically, what I'm trying to stress here (*and I don't
know how much more I can stress it without coming across harsh
about it*), make it as easy on yourself as possible. If you
really intend to do the swap, get the parts that will work
the best. Make sure you have all the parts you need before
you start (that way your not trying to find some crazy small
piece thats holding you up), and do RESEARCH! There are other
articles and other people out there that are great sources
of information.
I would like to point to the following places (I spent 2
years studying all of this before I attempted it):
Alltrac.net
- Possibly one of your GREATEST resources for information
on the Alltrac/GT4 Celica. Check it out, read as much as possible,
join the messageboard, ask questions and search through the
topics already listed.
Toyota
Celica Messageboard Online - There is a devoted following
(as I was once one) to this board of VERY knowledgable people.
I lurked on this board for some time and make mistakes but
learned a lot. I also suggest that you read through their
3S-GTE
swap FAQ as well.
GT4
Mailing List - Get on it, a rough bunch and not necessarily
liking of newbies but get what you can from them.. just don't
stir the water.
Webring.com
- Search everything under 'celica' and do your homework.
Lastely, Celica.net's messageboard and members are also a
great resource. Use the search function on the messageboard
for '3S-GTE swap' and read up.
If you come to me with questions like 'How much will this
cost?' I'm not going to help you (or at least I'll take my
time getting back to you), why.. because if you can't read
this and the next few FAQ's that will consist of this swap
and help yourselves, then I can not help you. So, help me
help you - go to the library and check out the technical manuals,
learn engine designation codes etc. If your the kind of person
that can just throw money at it and have a shop do all the
work for you.. why are you here?
Part 1 summary: Every swap is different, there is not definate
answers in this game. Some times you just bite the bullet
and you go for it. At the end of the day you'll find out what
your made of. If your not, then your not. If this all discourages
you and you haven't even gotten to the other parts in this
FAQ, stop now.. and forget it.
-> Part
II
This
FAQ was made possible by the contributions from TWM Performance.
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