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EMS. Which one 

 

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 Post subject: EMS. Which one
Posted: Fri Mar 21, 2008 1:37 pm 
Oompa Loompa
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Tweecer. any good, what's your experience?

 

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Posted: Fri Mar 21, 2008 8:25 pm 
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Pete will argue.. But they don't read boost like an aftermarket ECU does...
However there are heaps off guys on www.corral.net and www.turbomustangs.com using tweaker...
For a SOHC 6 the EMS range is hard to beat especially since they support Aus production racing... Stinger is UNDER $1000 and 8860 is around $500 more... Coil pack engines require extra ignition drivers...

 

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Posted: Fri Mar 21, 2008 9:16 pm 
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Hey,

Just got my Stinger 4424 V4 yesty, and i am quite looking forward to connecting it all up. Software is pretty user friendly, but i am by no means an expert.

Cheers

Daz

 

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Posted: Sat Mar 22, 2008 12:05 pm 
Oompa Loompa
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I didn't mean EMS. brand specifically. Your ideas on any aftermarket ems or piggyback would be good.

 

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Posted: Sat Mar 22, 2008 12:30 pm 
Oompa Loompa
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phum wrote:
Your ideas on any aftermarket ems or piggyback would be good.


That's what they just gave you. They think EMS is good, as do I.
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Posted: Sat Mar 22, 2008 11:33 pm 
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Yep, you'll soon come back to EMS ... Have a look at Motec prices...Wolf and Link are o/k..
But its really up to your tuner..
Ask him .. There's no point in getting a tuner to work on an ECU he's not sure about...
Btw I run Haltech in my car so you can't say I'm biased..
Value for money? The EMS is hard to beat....

 

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Posted: Sun Mar 23, 2008 2:46 pm 
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EBXR8380 wrote:
Yep, you'll soon come back to EMS ... Have a look at Motec prices...Wolf and Link are o/k..
But its really up to your tuner..
Ask him .. There's no point in getting a tuner to work on an ECU he's not sure about...
Btw I run Haltech in my car so you can't say I'm biased..
Value for money? The EMS is hard to beat....


Couldn't have said it better. It has been my experience that Haltech have next to no customer service. My tuner has vast experience with EMS Stinger, and similar, so i have no doubt my car will fly after.

Cheers

Daz

 

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Posted: Sun Mar 23, 2008 5:09 pm 
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I too rate the EMS 8860. For a 6 pack there is the 6660 i believe, same options, but designed for a 6 cylinder, not the 8 as the 8860. Mine is used for NOS control, Coil packs, soon to be coil on plug and various other functions. Plus i have used it in the past as a datta logger for Drag racing.
Really for the price it is hard to beat, but again comes down to the tuner.
Brett

 

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Posted: Sun Mar 23, 2008 7:10 pm 
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find a tuner with a good reputation and buy the ecu he prefers to tune.
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 Post subject: ecu
Posted: Sun Mar 23, 2008 9:12 pm 
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well said eed-250

Just make sure that there are other good tuners that can use the ecu that u purchase.

 

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 Post subject: Re: ecu
Posted: Mon Mar 24, 2008 1:19 am 
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MICKYYYY wrote:
well said eed-250

Just make sure that there are other good tuners that can use the ecu that u purchase.


Yea eed -250 Well said....Lol...

 

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Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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 Post subject: ecu
Posted: Mon Mar 24, 2008 1:28 pm 
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Just in case if ur not happy with the tuner u use of course LOL

 

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Posted: Sun Mar 30, 2008 10:15 pm 
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There is no tweecer support for 4.0 speed density eec's.
Even if there was the speed density eec does
not have the capacity to deal with positive pressure above only 2 lbs.
It's strategy cannot unfortunately be changed. Tuning for positive
pressure via a chip on a speed density eec is only ever going to be a
fudged calibration. I've seen some SCT switch chip tuned turbo
4.0's and the calibration leaves a lot to be desired I'm afraid. Unfortunately much of that has to with the poor EECIV and V support in the first place. It's not the tuners fault he's doing the best he can with what he's got.

A 5.0 eec, being Mass Air, is perfectly suited to positive pressure and in
fact all factory supercharged fords are Mass Air equipped.
What is positive pressure? A greater Mass of Air than a cylinder can normally injest.
How does this
help you?...it doesn't, although you could adapt a T-bird 3.8 SC eecIV to
your vehicle(XH and EL use a 60pin EECIV on their EECV so it would be a
virtual plug in affair). Trouble with that is that you will need to run
your original eec to run your gearbox(if it's auto). Of course you're in the same boat if you go with an aftermarket ECU.
I agree with the suggestion go with something like an EMS 8860.
However the ultimate option for you would be to use a BA Turbo PCM-122 which is
infinitely superior to ANY aftermarket ECU and is also capable of running
the auto.

Pete.
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Posted: Sun Mar 30, 2008 11:42 pm 
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XR9UTE wrote:
the speed density eec does
not have the capacity to deal with positive pressure above only 2 lbs.
It's strategy cannot unfortunately be changed.

What you say is correct, up to a point. That point is the end of EL production. For the AU Ford changed from a digital separate MAP sensor to an analogue one integrated with the IAT. The MAP signal on AU's on is therefore a voltage nominally between 0 and +5V, though typically between +0.2V and +4.8V.

What this means for AU and later models, is that the ECU can be made to "read boost" by the simple expedient of wiring in an aftermarket 2, 3, or 5-bar analogue MAP sensor in place of the pressure (vacuum) signal from the stock TMAP, and rescaling load-dependent variables to suit, using tuning tools such as Advantage or Sniper.

I realise most of the posts above relate to E-series, so this is not of much help in that regard. But it seems to be a little-known fact that the AU differs from the E-series in this critical area. An AU owner reading the previous posts would form the mistaken impression that to boost his engine successfully he'd need to fork out for an aftermarket ECU.

 

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Posted: Mon Mar 31, 2008 12:01 am 
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That is actually not my point (although I was sticking to E/X-series because that's what he has).
My point is actually more fundamental. The EEC speed density strategy,even though it will read the positive pressure signal from the sensor it simply is not able to process it. Thus the calibration must be "fudged" to allow forced induction to work.
In fact the stock Pre-AU frequency output MAP sensor will read to +40psi quite easily. It's just that the eec itself can't do anything with it. Even if you rescale the MAP transfer function within the EEC. So I'm not saying you can't actually calibrate the engine with forced induction it's just that you can't really do it properly.
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