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tuning question

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lnewton1974

10+ Year Contributor
106
0
Nov 21, 2009
middlebury, Indiana
I have an gst with a 2.3 stroker motor, i plan on buying 880 injectors for it. what im not too sure on is the actual tuning of the car. i was told that i need something like dsm link in ordder to tune it. well im on a very tight budget being disabled and not allowed to work. i found on ebay an V1 5 ELM327 OBDII OBD2 CAR CAN BUS USB Auto diagnostic interface scanner. it says in the discription that it will read and clear engine codes. it also says that it can mess with the short term and long term fuel trim. not sure what that means but im looking to be able to tune with and was just wondering if anyone knows anything about this product. thanks for any help. would love to be able to drive my car like i stole it instead of borrowing it.LOL
 
Yes. Wait till you can tune. Although handy to for troubleshooting, ELM327, and basic logging, there isn't too much you can do with aside from pull codes and clean them. Aside from that, you would be better off with Link or some other tuning ability.
 
6Ostrich2.0 and tunerpro will allow u to tune for injector size dead times maf comp and full access to fuel and timing maps most people on here don't know about ostrich because they are a bunch of the link band wagon. But then again if u have know idea what fuel trims are you need to do a lot of research before attempting to tune anything
 
With being on a tight budget, I would look at the megasquirt. You can download a basic map to get the car running, then tune from there. If you are handy, you can get one in a parts kit for a couple hundred bux. It is a full stand alone solution.
 
Brian can the ostrich do the same things as a link I need to learn more before I can understand all this tuning. I just want to do some where in the 300ish
 
Buy dsmlink and be done with it its a great program i never tuned a car before and i put aem in my car couldnt get it to start put link in after that and it fired right up after about 5 minute setup time and i had gotten the car tuned to 17psi safely and was running pretty good too
 
Megasquirt is for the 420a motors isn't it? Go with link. Tight on budget browse around. Buy used one even if its v2. It can get your car where you need it and always upgrade it later down the road.
 
i was told by a tech at ostrich that the 99 eclipse's can not be used with this because of not having a 28 pin eprom or something like that. they said i would need a ecu out of a 95 in order for it to work.
 
Yes ostrich does everything link will. But u must understand how to write hex code. I'm learning slowly for my 2g. 1g stuff is plentiful on dsmecu. 2g is taboo most code is the same but with minor changes I have now maf comp. Injector size and dead times. Extended fuel and timing maps rev limit and a few other things. Working on stutter box now. Hex the the computer language your ecu uses. You must know how to use read it in order to change it to make the ecu do what you want it to do
 
Hex editing is how link started. With out it link would not be hear today. This is why u pay a arm and leg for it. When new features come out on link. Someone sit down and wrote the code. You are paying for that time and the hard work anyone can write hex if they take the time to learn how
 
i was told by a tech at ostrich that the 99 eclipse's can not be used with this because of not having a 28 pin eprom or something like that. they said i would need a ecu out of a 95 in order for it to work.



If you have a 99 DSM, don't bother with Link or the Ostrich. Invest in a Tactric OP2.0 cable, and teach yourself how to tune with CeddyMods and flashing it. You have everything you already need to have an incredible tuning solution. Read about the flashable 98/99 ECUs.
 
I agree with Cracked DSM. If you are on a budget and want a tuning solution go with tactrix open port 2.0. That is if you are on 98/99 ecu.

I have been doing a lot of research on tuning the ecu with both DSMlink and ceddymods, and while not being as graphically user friendly as DSMlink, ceddymods would be a good entry level tuning solution for those on a budget. Also the tactrix open port is big in the evo community (with the evoscan and ecu flash software) so might be easy finding a local tuner shop that is familiar with tuning evos and they will feel right at home tuning your DSM using the tactrix.

There are a few videos on YT plus tons of info on all solutions in written form all over.

I see a lot of guys here opting for ostrich, but I personally wouldn't want to write hex code, and ostrich seems a little out of my comfort zone, while ceddymods/tactrix and DSMlink only took a few weeks of good study to understand the system.

As a note- I went into my research completely blind not knowing ANYTHING about ecu tuning. These are my personal opinions. Do some searching of your own and what ever system you feel comfortable with will be your best option.

Good luck to you.
 
I got 95 awd turbo so I guess its the dsmlink I need simple.
 
There are a few videos on YT plus tons of info on all solutions in written form all over.

This youtube series is really good.

You must be logged in to view this image or video.

It's using a slightly older version of our software but the only big change is that you have to make an initial vehicle selection so there's an extra top menu icon in EcuFlash.


I got 95 awd turbo so I guess its the dsmlink I need simple.

I'm not an expert in this, but many of the people using our free software with the Ceddy mods definition will swap a 1998 ECU in to the 95+ cars to get the tunability. Very common.

-Mike
Tactrix
 
I will have to look into that 96 and up is od2 I am guessing 95 would be obd 1. If its possible to do so hopefully I will find the info.
 
'95 DSMs are OBDII. If you have a '95, you have a high chance of having an EPROM ECU already, which is necessary for installing the ECMlink chip. You could get your ECU socketed (remove stock EPROM chip and replace with socket) and then purchase an ECMlink package and you're ready to tune.

Really it comes down to are you willing to spend a bit more on ECMlink for the ease of use and mass of knowledge/support that is out there.
 
Really it comes down to are you willing to spend a bit more on ECMlink for the ease of use and mass of knowledge/support that is out there.

I can't speak much to the DSMLink software vs EcuFlash with Ceddy Mods as I haven't used DSMLink, but regarding mass of knowledge/support, it should be pretty easy to find a tuner familiar with EcuFlash. Our software has been in use for almost a decade and tens of thousands of people have used our product to tune their Mitsubishi or Subaru. Doing a search on car-part.com I'm finding a suitable 1998 for $80. That plus $169 for the OpenPort and you're ready to go. But there are definitely times where paying more for software makes sense if it's a better fit for your needs.
 
I have an gst with a 2.3 stroker motor, i plan on buying 880 injectors for it. what im not too sure on is the actual tuning of the car. i was told that i need something like dsm link in ordder to tune it. well im on a very tight budget being disabled and not allowed to work. i found on ebay an V1 5 ELM327 OBDII OBD2 CAR CAN BUS USB Auto diagnostic interface scanner. it says in the discription that it will read and clear engine codes. it also says that it can mess with the short term and long term fuel trim. not sure what that means but im looking to be able to tune with and was just wondering if anyone knows anything about this product. thanks for any help. would love to be able to drive my car like i stole it instead of borrowing it.LOL

Please try to use capital letters and correct punctuation! Ecm link v3 is where it's at. I wouldn't trust getting big stuff like that off ebay though other then small parts such as catch cans, t-clamps, boost gauges, strut bars etc. Stuff of that sort. Link can clear codes as well and as far as short and long term fuel trims that's something you'll learn as you start tuning. A small pointer is you want to keep your logged combined fuel trims near 0 when fully warmed up! Link is a great price and it'll do just about everything for your future needs! I would personally stay away from mega squirt! Link a hybrid so its not a piggy back like a super air fuel controller or a expensive standalone.
 
I'm finding a suitable 1998 for $80. That plus $169 for the OpenPort and you're ready to go. But there are definitely times where paying more for software makes sense if it's a better fit for your needs.

There's a little more to it if you have a 95-96 because of the inverted CAS signal.
 
There's a little more to it if you have a 95-96 because of the inverted CAS signal.

Right, but that's true with either tuning solution once you've made the swap, correct? Using ecm link doesn't get around that does it? I'm not familiar with this swap myself but I thought that was the case from the reading I've done.
 
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