gen 3 3sgte in mr2

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Postby RunningRich » Mon Aug 17, 2009 10:53 am

Well I've done this (kinda). I fitted a Gen 3 SW20 3S-GTE to a ST205. I wrote the article mentioned above based on what I found, there was not a lot of experience with the Gen 3 engines at the time (this was 10 years ago) so I figured it out myself.

Unless you have both engines on-hand don't even think about it, there are too many differences unless you want to bodge it. Even the metal plate behind the cambelt (that holds the lower timing belt cover) is different between the SW20 and ST205 engines. The Gen 3 engine is sufficiently revised that half your Gen 2 parts won't fit.

You want a Gen 3 3S-GTE in your SW20? Just go buy the whole car and save a lot of hassle.
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Postby Akane » Mon Aug 17, 2009 12:22 pm

DeeCee wrote:
Akane wrote:You've totally misunderstood the point, I am talking about buying an engine (ST205) and fitting it into a SW20 Gen 2 (like the OP wanted), what would those things like cambelt, camshaft profiles and oil pan matter when doing a conversion, it comes with the engine.

If you undo those engine hooks (with w2a support) then you'll have no engine hooks on the engine! I'm trying to make it as "factory" looking as possible. not leaving big gaping holes everywhere.

Seems like these days anything I say on toyspeed ends up people thinking I'm "wrong". Am I getting dumber or kids getting smarter these days O_o

You mentioned it initially and I was pointing out the differences that you casually glossed over without defining succinctly. You made it an issue when you talked about your issues with different parts and things that had to be addressed with swapping diff engines. I mentioned above with regards to mounts, etc and the reference to mr2oc.com which has bundles of reference material and gen2 / gen 3 swaps.

You say "oh this doesn't fit" and "that is different" then you do sound like a right pillock who hasn't done any research with regards to the swap. You dissuade rather than explain and you leave yourself open to criticism. Very easy to misconstrue what you say when you type the stuff that you do...

And you drop the engine in and then remove the hooks.. what is hard about that? And put them back on when you want to remove the engine again. Its not exactly hard to go to pick a part and grab a couple of different hooks off a block and then put on yours. You don't have to use what is there to begin with you know.


What you're trying to tell everyone is the differences in the Gen 2 and Gen 3 engine, well I already know what the differences are.

What I'm telling the OP and everyone else is what needs to be changed in order to put ST205 engine into a Gen 2 SW20. What does camshaft profiles got to do with this? what does cambelt got to do with this? Nobody actually cared, the OP just wants to know what needs to swap around so he can make the engine run in his SW20 Gen 2.

So here I am with a ST205 engine infront of my SW20 Gen 2, "Oh look the camshafts are different, this is gonna make it not run, I gotta change that"... oh wait WTF? Make sense = 0.

I already did the research on what needs to be done to make it work, but nobody had a definite answer because I'm running a AP Engineering PowerFC, which puts me in a different situation, everybody else just buy SW20 Gen 3 clips. the rare few who tries to convert ST205 to Gen 2 MR2 run different ECU's and sometimes different looms too. The problems I'm running into now is PowerFC Not powering on with Gen 3 ISBV.

I've never mentioned the differences in the engines that warrants the swap, I did however mentioned the differences in the engines that you need to worry about if you do carry out such a swap. It's quite difference DeeCee.

And about the engine hooks, well some go for the rangi ways, I prefer to leave the engine hooks in the engine, come on we already went through this. You like to leave things out, I like to leave things as toyota intended.

Maybe if you knew about my MR2 saga, then you might differently otherwise..

Edit: to sum it up, we are all talking about ST205/Gen 3 SW20 differences, you are talking about Gen 3 / Gen 2 differences
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Postby DeeCee » Mon Aug 17, 2009 1:08 pm

finished having your e-whine? You brought up the differences. I was just confirming. You have carried on this little tirade for no apparent reason than to be "right".

You're the one that can't change a fuel line to the right length for fear of being wrong. And no.. I don't take short cuts. The hangers are there for mounting the engine. They are easily removable and can be added at anytime if you wish to or not.
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Postby Mr Revhead » Mon Aug 17, 2009 1:40 pm

i think thats enough of that, both of you.
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Postby Adamal » Mon Aug 17, 2009 1:47 pm

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Postby DeeCee » Mon Aug 17, 2009 1:55 pm

ah so tempting to be silly and whimsical in this thread.
But Mum said we had to play nice...

Beep beep, vroom vroom.. carry on :)
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Postby Akane » Mon Aug 17, 2009 6:12 pm

:lol: :lol: :lol: :roll:

Oh yea the fuel lines are different on Gen 2 and Gen 3 as well since the fuel rail is actually reversed, for some who is actually interested to know unlike others, if you try to just "whack it on", you might end up resting the fuel line on a nice puffy hot exhaust manifold if you fang your car hard enough. So yea, gotta go custom lines (which I do not like) or pick up an OEM Gen 3 SW20 one, another thing you have to work on if you plan to* PUT A ST205 ENGINE* into a GEN 2 MR2*.
No "stance", no "hellaflush", none of that bullshit. Nothing but no grip on full boost.
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