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Guest Message by DevFuse
 

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finally got a hks super afr hooked up on my 87gl-10 awsome "Rough idle gone"


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6 replies to this topic

#1 wes200x

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Posted 02 September 2005 - 06:11 PM

Hey guys
This is the best part I have ever put on my subaru. I was having a serious rough idle problem with my 1987 subaru gl-10 wagon. Tested every sensor and everything checked out. I even switched most of the sensors and still the same rough idle. So One day on the web I read about the hks arf which lets you adjust fuel mixture and it has an idle stabilization function. This got me interested so I found one on ebay got it for 85.00 and I was on my way. After going through all the instructions I ran into one problem. The AFR needs a 5volt digital signal for the rpm pickup wire but the subaru and most older cars has a 12v analog pulse signal for the rpm. Luckly Hks sells a signal level converter at 45.00. Ploblem fixed but it was getting pricey. It took a little while to figure out how to get it hooked up properly because hks does not offer a wiring diagram for an 87 subaru I wonder why ha ha. You have to have the proper ecu ground as well as some other wires to make it work properly.
Now to the good part, after getting it all hooked up you have to go through a series of steps so the computer in the afr can self learn the outputs of the sensors. After that SHE IDLED SMOOTH I THOUGHT IT STALLED. I would pull up to stop lights and I kept looking at the tach to see if the car stalled it idled so nice. First time my subaru ever ran this great.

I have seen so many posts about cars running rough and my computer was not coding anything.

For all you performance guys like me the AFR is the perfect device for running larger injectors because not only can you adjust 50% lean or 50%rich thoughout the rpm range but you can control idle mixture. It has a signal stabilizer for if you run a blow off valve which I do. What a difference no more intermitent stalls because of the blow off valve.

If anyone was interested I would like to be able to post the ecu pinout diagram for the install. This was the hardest part about finding the right wires. Now I have it all sorted out and I marked what wires need to be attached in my factory manual ecu pinout diagram.

If any one is interested on how to install the parts I am running
My 87 gl-10 has
Crane cams HI6-s igniton with Crane lx-91 50,000 volt coil this is a multi spark ignition.
HkS Super AFR
Turbo NX RLF blow off valve.
Copper head gaskets.
And soon to come Intercooler and larger injectors as well as installing the boost controler .

Hope this is helpful it was for me. I love this site.

#2 subyrally

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Posted 02 September 2005 - 09:51 PM

thats sweet, i was thinking about something like that once i get mine on the road. if you can, get some pics of the stuffs you have. i want to see how thats wired in.

#3 ausubaru92

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Posted 03 September 2005 - 07:45 AM

Does that mean it could handle the hole in the fuel map and fuel cut ect. when running extra boost:brow: or even make a NA ecu handle boost?

Gannon

#4 electryc_monk

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Posted 03 September 2005 - 11:06 AM

bumped for subscription and awaiting the posting of diagram and pictures of parts and placement.

#5 my69opelgt

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Posted 06 May 2009 - 04:59 PM

Has anyone heard anything more about wes200x and the diagram?
looks like a good investment if you are running a modded ea82t:slobber:

#6 erik litchy

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Posted 07 May 2009 - 09:00 AM

to me its not suprising a circit board can go bad after so many years.
thousands of heat cycles to crack solder and capicitors prabably long dried up.

#7 ausubaru92

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Posted 27 May 2009 - 05:32 AM

to me its not suprising a circit board can go bad after so many years.
thousands of heat cycles to crack solder and capicitors prabably long dried up.


Thats a rather interesting point,... i wonder if my idle, or other parts of my tune would improve from just going over every solder joint with a soldering iron?




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