fd rx7 question
11-06-13, 07:00 PM
#1
fd rx7 question
Hi I am currently building up a 93 rx7 street car with a large street port, borg-warner s366, etc my end goal is 500rwhp but I just wanted some input on the ecu to use. I narrowed down to four ecu that might be a contender haltech ps1000, aem series 2, and a microtech lt10 or a lt16. So what are your thoughts on the subject and please tell me why or why not to pick the ecu over the other.
Thanks
Thanks
11-06-13, 07:45 PM
#2
You'll need to consult with your closest tuner or view the software for yourself and "test-drive" the viewing/functions if you're going to be the tuner.
On your list I would only choose between Haltch and AEM. Played with Microtech a couple times and didn't like it. I'm sure someone else will beat the heck out of it so I won't have to go into details.
There's a multitude of great stand-alones out there. You really just have to specify how much resolution your application requires. Also, do you need data-logging, tons of inputs, traction control, fail-safe outputs?
On your list I would only choose between Haltch and AEM. Played with Microtech a couple times and didn't like it. I'm sure someone else will beat the heck out of it so I won't have to go into details.
There's a multitude of great stand-alones out there. You really just have to specify how much resolution your application requires. Also, do you need data-logging, tons of inputs, traction control, fail-safe outputs?
11-07-13, 09:16 PM
#6
The first comment here is really the most important. Let's face it, the greatest, most expensive, crazy features, etc EMS is completely useless without a proper tune. While I'm sure a good tuner can work with many applications, I would guess that most tuners would kind of 'specialize' in one particular EMS. This would be the one that they are most familiar with and know the ins-and-outs of the most. If you had one tuner in mind (and are not comfortable tuning yourself), the computer they can utilize to the full potential should be very high on your list (regardless of features, price, etc).
On a second note, do some reading throughout the Engine Management section of the forum. There you can review threads and discussions on all the major EMSs for the car, and learn a lot more about their features and capabilities than simply asking each person what they like and why. Any member who happens on your thread may have completely different goals, mods, tuning knowledge, etc. While the EMS they choose may be right for them, it may not necessarily be the right choice for you.
Hope this helps.
On a second note, do some reading throughout the Engine Management section of the forum. There you can review threads and discussions on all the major EMSs for the car, and learn a lot more about their features and capabilities than simply asking each person what they like and why. Any member who happens on your thread may have completely different goals, mods, tuning knowledge, etc. While the EMS they choose may be right for them, it may not necessarily be the right choice for you.
Hope this helps.
11-07-13, 10:34 PM
#7
F'n Newbie...
iTrader: (6)
This.
Aside from the obvious requirements/considerations of how many inputs/outputs the ECU has, verses how many you'll need and want, the available features/capabilities, you'll also want to keep in mind the actual tuning/programming of the ECU.
Personally I would advise making a new wiring harness while you're at it, since chances are the one currently in your car is the original (or some refresh of the original) wiring harness. That's gunna be old, and crispy, and not so reliable. You don't want that.
If you plan on DIY running 500whp, reliably, and you're not sure on what kind of an ECU you want than you may want to re-think your plans... Either scale back your expectations, or hook up with somebody else who has proven reliably to know what they're doing and can keep an FD in that power range reliably over a long period of time.
350whp in an FD is a FAST car. 400whp in an FD is a STUPIDLY FAST car. 450whp in an FD is a MORE THAN YOU NEED FOR THE STREET FAST car. 500whp is "competitive high-end racing, or making up for a small *****" power.
My advice would be to start small, get that figured out then move up a little. Once you've got that figured out then go up a little more. Jumping from a stock "wtf does this hose do???" knowledge level to "a split-second of oops blows the motor" in one try isn't likely to end well.
Not to be a dick, but if you've gotta ask that question here then you're probably not personally capable of pulling it off correctly. In which case, you'll need the help of a builder/tuner who is (capable). Ask the person who's gunna make it work for you, go with their advice if you have faith in them. If you don't have faith in them, go with somebody else.
Aside from the obvious requirements/considerations of how many inputs/outputs the ECU has, verses how many you'll need and want, the available features/capabilities, you'll also want to keep in mind the actual tuning/programming of the ECU.
Personally I would advise making a new wiring harness while you're at it, since chances are the one currently in your car is the original (or some refresh of the original) wiring harness. That's gunna be old, and crispy, and not so reliable. You don't want that.
If you plan on DIY running 500whp, reliably, and you're not sure on what kind of an ECU you want than you may want to re-think your plans... Either scale back your expectations, or hook up with somebody else who has proven reliably to know what they're doing and can keep an FD in that power range reliably over a long period of time.
350whp in an FD is a FAST car. 400whp in an FD is a STUPIDLY FAST car. 450whp in an FD is a MORE THAN YOU NEED FOR THE STREET FAST car. 500whp is "competitive high-end racing, or making up for a small *****" power.
My advice would be to start small, get that figured out then move up a little. Once you've got that figured out then go up a little more. Jumping from a stock "wtf does this hose do???" knowledge level to "a split-second of oops blows the motor" in one try isn't likely to end well.
Not to be a dick, but if you've gotta ask that question here then you're probably not personally capable of pulling it off correctly. In which case, you'll need the help of a builder/tuner who is (capable). Ask the person who's gunna make it work for you, go with their advice if you have faith in them. If you don't have faith in them, go with somebody else.
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11-08-13, 12:02 AM
#8
Hi basically I bought almost everything for a 500hp motor, 3mm apex seals,large street port, etc, etc. But I have three tuners very good when it comes to rotorys and dont care which one does the tuning because there all good at what they do but each one has a different opinion on what they like vs the other, it comes down to what brand of ecu is what I want for my build but the thing is I have a friend that has a airplane with a efi rotory and he was running a microtech until it started cutting out on him during flight but I have heard of people who love the microtech so I dont know it goes both ways with all the ecu's I will just take a look more into it.
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