LINK ECU

ciper · Post by **ciper** » Thu Jan 29, 2004 2:22 am

They are fairly cheap here, a board member could sell them. What is the length of the lead between the bosch coils and the plugs?

MY92 · Post by **MY92** » Thu Jan 29, 2004 2:23 am

250mm

ciper · Post by **ciper** » Thu Jan 29, 2004 2:26 am

Found a discussion about these and the guy mentions paying 240$ including leads, that would be in australian dollars right? http://www.mrtrally.com.au/forums/topic ... IC_ID=1910

Here is one speaking about replacing them as soon as possible
http://www.mrtrally.com.au/forums/topic ... IC_ID=4855

another
http://www.mrtrally.com.au/forums/topic ... IC_ID=3510

MY92 · Post by **MY92** » Thu Jan 29, 2004 2:30 am

Yep OZ dollars.

LegacyT · Post by **LegacyT** » Thu Jan 29, 2004 2:40 am

Is this ECU plug and play, meaning it uses the factory wiring harness? I understand that once its in it needs to be tuned. How much does it cost?

Mark,

ciper · Post by **ciper** » Thu Jan 29, 2004 2:53 am

It is plug and play for the overseas legacy. For us a minor rewire is most likely needed. Im waiting on these answers because I may use the same ECU. Either that or wire in one of the common WRX ECU so that any tuner could help me out. One big question is wether this will drive a waste spark system like the standard link ECU's.

MY92 · Post by **MY92** » Thu Jan 29, 2004 2:58 am

The plug in Link can handle waste spark.

As for plug and play, it pretty much is, except for the map sensor, that is the only wiring you have to do.

georryan · Post by **georryan** » Thu Jan 29, 2004 3:49 am

Well we don't have a map sensor, so that is solved, unless you were refering to the MAF?

resstiboy: you have a 2.2l? Did you overbore your engine?

MY92 · Post by **MY92** » Thu Jan 29, 2004 3:53 am

The Link uses a MAP sensor instead of the MAF sensor to read airflow.

rsstiboy · Post by **rsstiboy** » Thu Jan 29, 2004 10:38 pm

no I don't have a 2.2ltr, we don't overbore here, we have stroker kits available to us here, 2.2ltr and 2.4ltr.

the problem with my spark is that it tends to blow out under boost, its probably due to the length of time they were sitting on the halfcut out in the weather, and the fact that they are now 10 years old.

A guy in sydney here has SUBSTANTIAL mods to his RS and runs a 2.2ltr block, MY98 heads, turbonetics 550HP turbo, and external wastegate, he uses these coils and has been running them on 23psi for 3 years without drama.

thats good enough reason for me.

I just ordered a USB LINK cable so I can now tune it via laptop, fast and the furious style, the idiots tuning my car can't use the hand controller

rsstiboy · Post by **rsstiboy** » Thu Jan 29, 2004 10:39 pm

I can't beleive you don't have MAP sensors on your cars? how does your boost cut work? we have both MAP and MAF sensors on ours.

georryan · Post by **georryan** » Thu Jan 29, 2004 11:16 pm

Yeah the 95's and on up have the MAP sensor, but we don't. I found this out by buying some little dohicky from ebay that basically is a timing advance "mod." I would advise everyone to stay away from those little mods. This one was more reputable than most, though (in my defence). haha

It required a MAP sensor to work, and after doing some research I found out that we didn't have one. The MAF may have some extra wires than yours that collects the extra information that that your MAP uses for the boost info. I seem to recall something about that, but I'm not that knowledgable about it.

Other guys know more of the specifics of how the boost cut works.

vrg3 · Post by **vrg3** » Thu Jan 29, 2004 11:17 pm

Legacy turbos do have MAP sensors, just like Liberty RSes.

MY92 · Post by **MY92** » Thu Jan 29, 2004 11:21 pm

The Gen1 Legacy has a MAP sensor which is used for boost control and a MAF for air flow.

boostjunkie · Post by **boostjunkie** » Fri Jan 30, 2004 12:20 am

georryan wrote:Yeah the 95's and on up have the MAP sensor, but we don't. I found this out by buying some little dohicky from ebay that basically is a timing advance "mod." It required a MAP sensor to work, and after doing some research I found out that we didn't have one.

I think I remember your post back in the day about this piece. I believe you are in fact, confusing the MAP sensor for the Intake Air Temperature (IAT) sensor that is non-existant on our cars. I remember a lot of those ebay chips worked by modifying the IAT signal.

georryan · Post by **georryan** » Fri Jan 30, 2004 4:09 am

My BAD...your totally right Boostjunkie. I feel dumb. Good call. This whole time I was thinking IAT not MAP.

ciper · Post by **ciper** » Fri Jan 30, 2004 9:21 am

NA early legacy have a atmospheric pressure senser inside the ECU and an air flow sensor.

Later NA legacy have a pressure sensor on the right side shock tower and an air flow sensor

Turbo legacy have a pressure sensor on the shock tower with a two position pneumatic switch that allows it to measure either atmospheric or after turbo pressure. They also have the air flow sensor.

Now knowing that, is this any different that the Liberty RS?

MY92 · Post by **MY92** » Fri Jan 30, 2004 9:47 am

Sounds the same as the JDM/OZ RS/GT's.

But as I said, the Link uses a bosch map sensor to measure airflow so the MAF becomes redundant.

ciper · Post by **ciper** » Fri Jan 30, 2004 10:09 am

I swear I read that the link has a choice between the two type of air flow sensors, the possum link is meant to be "plug and play" so couldnt it use the stock MAF?

rsstiboy · Post by **rsstiboy** » Fri Jan 30, 2004 10:18 am

possumlink relies on a MAP sensor, infact i'll be removing my MAF for better airflow

ciper · Post by **ciper** » Fri Jan 30, 2004 11:09 am

On the link plug in module page" Sometimes the complete installation can take place without lifting the bonnet. Uses 100% factory sensors."

On the subaru specific page
"with mapping for up to two Bar (29 lbs) of boost using all factory sensors"

What did I miss?

LegacyT · Post by **LegacyT** » Fri Jan 30, 2004 1:34 pm

If this truly is plug and play ( or even almost, by that matter) then I think I'll have to get me one of these. Price anybody?

Mark

vrg3 · Post by **vrg3** » Fri Jan 30, 2004 2:34 pm

Just for completeness' sake, ciper, non-turbo models with both a pressure and airflow sensor do also have the pressure exchange solenoid.

MY92 · Post by **MY92** » Fri Jan 30, 2004 7:09 pm

I'm sorry, I give up now.

ciper · Post by **ciper** » Fri Jan 30, 2004 7:38 pm

LegacyT: I also want this for its plug and play. Nate from S-squared offer to sell me a plug and play haltech which I still need to research.

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