st205 into st185 swap faq/ and parts compatibility

Q&A regarding engines, turbos, and intercoolers and power upgrades

Postby scothaniel » Thu Jan 05, 2006 4:27 pm

This looks like the map sensor:

http://img306.imageshack.us/img306/5660/dscn29866lo.jpg

Should be one vac line on the bottom. 3 wire, brown, pink, and redish. The 205 map sensor is not available in the US, and used one's are pretty expensive. Hope your mechanic installed the right one - better check the part numbers.

I've been searching google for the past half hour, looking for another 2 bar sensor with voltage readings close to those of the ST205's on Richard Doig's website http://gtfour.supras.org.nz/mapsensor.htm and haven't found one yet. GM and Mopar sensors wont work. Looks like the apexi may be close.
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Postby CMS-GT4 » Thu Jan 05, 2006 4:57 pm

I can't see the label. I am sorta concerned if he tossed the right one. It doesn't look like the ones in the pic. I doubt they changed the map sensor on the 205 for any years.
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Postby CMS-GT4 » Mon Jan 23, 2006 5:05 pm

So I ended up buying another map sensor. :(

When it gets here and if I am in between some of my work/projects I am going to try and raise that percentage of whats done.

Going to finish the cabin wiring first then I will worry about the sensors when they get here.
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Postby at3619 » Fri Feb 10, 2006 11:06 pm

If you dont mind me asking, how much did u end up paying for that map sensor? And where did you get it from? I need one... :bangshead:
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Postby CMS-GT4 » Sat Feb 11, 2006 4:06 am

200 from a semi-local mr2 shop. Same place I bought the clip. I would either check chico race works, mr2 forum or someone along those lines.
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Postby illGT4 » Sun Feb 26, 2006 12:53 am

Update?

I just purchased a 3rd gen motor/gearbox. I'm going to try and do the rewiring and drop it in the ST185 for now.

I had a full clip + Brakes + rear diff, etc.. coming from outside the country, but it's going to take a little longer.

Nothing wrong with having two 3rd gens right? :)


Anyhow, I was thinking of getting a new 2nd gen harness and rewiring it. Would it be easier to get a harness from a 92-93 since there are less to rewire?? Will this work with my 90 body harness parts?
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Postby CMS-GT4 » Sun Feb 26, 2006 2:54 am

If nothing is wrong with your current harness I would just use it.

Cheaper and not that much harder than the 92-93 version.

Just more pins to move around.
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Postby illGT4 » Sun Feb 26, 2006 3:09 pm

CMS-GT4 wrote:If nothing is wrong with your current harness I would just use it.

Cheaper and not that much harder than the 92-93 version.

Just more pins to move around.


My current harness is shorting out from the fuse box.

I have an extra fuse box / harness.. But not sure really about it's quality.

I don't care about saving money at this point. I just want to be sure everything is new and tidy.

Will the 92-93 harness give me any problems with the rest of the car? (body) since it's a 90? I haven't been able to compare pinouts from 90-91 and 92-93.

Thanks
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Postby CMS-GT4 » Tue Apr 18, 2006 7:00 pm

Not sure. Many of the pin outs are the same, but that does not mean the harness conectors, etc.. will match up. I think it would be easier than trying to wire up a new 205 harness.


Here is a link I thought might be good for this thread about code 54.

http://alltrac.net/phpBB2/viewtopic.php ... highlight=
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Postby CMS-GT4 » Thu Apr 20, 2006 10:03 pm

Changing these pins sucks. I got my gf to pull the wire out from the back while I pressed the clip. It made it much easier. I broke my pickin half on the second one. Might get a thicker pick tonight and finish it. I have to redecide which wire to move for THAM, I was going to move one off another connector.

I am also going to take the wires from my 205 harness for the wtaic and install them on my 185 harness so I can bridge them to prevent code 54.

I hope to get the wiring done tonight.

Then all I have left is to swap the bolt head from the 185 compressor to the 205 compressor, belts for the 205 vaccume hoses and fmic. I am also working on the fmic now.
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92 st185 (205 swap) | 03 350Z Track (sold) | 13 Pilot | 17 Mazda3
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Postby k_trac » Thu Apr 20, 2006 10:44 pm

Sweet, let us know how it goes. I did the wiring in dec. so its a tad fuzzy, but you have way less pin swapping to do....bastard!
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Postby CMS-GT4 » Tue May 02, 2006 1:06 am

So I am taking the car to my welder for a week. He is going to build some brackets finish my fmic piping etc...

K_trac what did you do about the radiator?
Coldiron
92 st185 (205 swap) | 03 350Z Track (sold) | 13 Pilot | 17 Mazda3
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Postby k_trac » Tue May 02, 2006 10:24 am

Used the stock rad, no problem using it.
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Postby CMS-GT4 » Tue May 02, 2006 12:41 pm

Sorry, I mean hoses. What hoses did you use. Didn't you have to block off a inlet on the 185 rad?
Coldiron
92 st185 (205 swap) | 03 350Z Track (sold) | 13 Pilot | 17 Mazda3
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Postby k_trac » Tue May 02, 2006 2:36 pm

I used the 185 lower hose and the 205 upper hose. Had to trim the upper hose just a little, an inch or two shorter I think.

Thats it, wasnt any other changes I dont think....
The Screamer - '90 Red Alltrac - ST205 swap, 3" MP, 3" catback, intake, spec III clutch - FOR SALE $7000
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