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EEC4 or EEC5? Which is better....and why? 

 

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 Post subject: EEC4 or EEC5? Which is better....and why?
Posted: Wed Dec 29, 2004 7:12 pm 
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Hi all.

I'm putting an EF engine in my EB and was wondering if I should use the EEC5 ECU that came with it, or just stay with the EEC4. I have the complete wiring harness and midrange BEM for the car (from EF Wagon) and can put it in after the car is painted, as most of it is getting pulled apart.

Can anyone suggest any advantages or disadvantages to either ECU?

Oh.....the engine will have a T04 turbo fitted. Only basic mods and 6PSI boost.

If I go with the EEC5, do I need the instrument cluster? I have everything else.

Thanks peeps.

Chris

Last edited by chris1966 on Sun Jan 09, 2005 9:04 am, edited 1 time in total.

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Posted: Wed Dec 29, 2004 7:31 pm 
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I am assuming it is an I6. If it was staying NA I would have gone with the EECV because it has BBM control but with forced induction you don't need it so I would probably just stick with the EECIV and avoid the wiring hassels. Oh but if you plan on running the EF coil pack ignition you will need the EECV.
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Posted: Wed Dec 29, 2004 7:45 pm 
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Yes, sorry. Its a 6. I want to use the BBM with a water to air intercooler on the rocker cover to keep the intake path as short as possible. Having the BBM operating would be a nice feature.

Is either ECU fussier when it comes to changes for example cam or head work?

I'm going to use a 4:1 rising rate regulator and 24# injectors set on 36PSI fuel pressure off boost. This should give me the correct fuel flow off boost, and a little extra headroom on boost.

I was also thinking of modifying the distributor to give boost retard, but that wont be possible with the EF ignition. Have to figure out a workaround there if I go with the EEC5.

Anyhow, thanks for the quick reply.

Chris

Last edited by chris1966 on Sun Jan 09, 2005 9:05 am, edited 1 time in total.

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Posted: Wed Dec 29, 2004 7:56 pm 
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BBM would be almost useless with forced induction, the EB/ED manifolds flow more and have a larger plenum so would offer better power. The EECIV would probably cope with mods a little easier than the EECV but you if you are doing many mods, or plan to run anymore than 4-6psi boost you should really look into running an aftermarket EEC and some decent injectors. That would give you far greater economy, power and reliability but obviously that comes at a price.
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Posted: Wed Dec 29, 2004 8:08 pm 
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The curse of doing things on a budget! :( I have a EB MPFI intake, but I really want to use the BBM so I don't have to make long cooler piping.

It only has to shut down a couple of V6 bogandoors so I don't really need to go the whole hog.

If I can't beat them I'll just get out my other car an kick some butt, but I wont say what it is on here in fear of flamage. No its not a Commodore either.

Chris
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Posted: Wed Dec 29, 2004 8:48 pm 
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/me points and yells "RICE COOKER"

(I'd take an R34 GTR as my second car any day)

 

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Posted: Wed Dec 29, 2004 8:57 pm 
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Hmmm that would be nice.

Put it this way, pistons were not an option for this car. :wink:

Still love the Fords though.
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Posted: Wed Dec 29, 2004 10:11 pm 
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chris1966 wrote:
Hmmm that would be nice.

Put it this way, pistons were not an option for this car. :wink:

Still love the Fords though.


My first thought before this post was "Chicken Cooker" and now I know I was right.

Tell me it has a turbo and is very quiet, and I won't hate you, it is only the noise from them that pisses me right off! Noisey f**k going "dat" "dat" "dat", worse offenders are those NA want to be drag racers!

Hmm I wanted to start the "10db max rotary anti noise club" but I can see that is going to far, maybe the factory max of 77db will just do, but only just.

P.S. f**k those things fly! but tow a trailer and their f**k.
Plus Ford owns Mazda so alls ok

 

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Posted: Thu Dec 30, 2004 6:52 am 
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:lol:

I thought i'd get flamed. Yes it has a turbo and is reasonably quiet.

I've always been a Ford man, but like you say, those little chook cookers really go! But bloody hell they use some fuel. You can tow a trailer, but as long as its aluminium and there's nothing on it. :lol:

It great for going around corners and the occasional blast. But if I want to drive any distance...GIVE ME THE FORD. Sooooo comfortable and quiet. And torque is great as you say! :wink:

Anyhow, back to the topic.

I am leaning toward the EEC5, but do I need the instrument cluster? I'm sure the 4 speed auto will be OK as its the LE85 EB version and I've unpicked the wiring harness and its completely stand alone. No integration with the fuel/ign ECU at all. The joys of pre-smartlock EEC4. Besides, the EEC5 wiring harness is from a 5 speed manual so it should be OK too.

Any suggestions?

Chris

Last edited by chris1966 on Sun Jan 09, 2005 9:09 am, edited 1 time in total.

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Posted: Thu Dec 30, 2004 8:54 am 
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Hey mate

Yeah im pretty sure if you go for EEC 5 you'll need the dash, cluster, BEM etc.

I really think you should consider EDXR8's advice and go for a non-BBM manifold.

You can run the BBM with EEC-IV but you'll need a crude RPM switch to switch the runner length, even then - EEC-IV is not programmed to alter fuel/spark maps to accomodate the change in runner length....

You plan on any sort of tuning or are you leaving this all to the regulator?

 

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Posted: Thu Dec 30, 2004 9:22 am 
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We need Pete to pop his head in here, the EEC guru.

 

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Posted: Thu Dec 30, 2004 12:28 pm 
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I'm planning on letting the reg do its stuff.

I am actually doing what has already been done on another forum. I'm just using a higher rate reg and slightly larger injectors.

I know a lot could be gained from an EMS but I'm not prepared to spend the cash as yet. Just using what I have laying around in the shed.

If Pete can provide advice that would be great.

Chris
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Posted: Thu Jan 06, 2005 4:15 pm 
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I'd suggest a SEFI MAF conversion for a turbo.
The EEC used on the 5.0L is designed to be used on a variety of engines from 4 to 8 cylinders and is easily reconfigured using the TwEECer. You can also enable fan control and direct ignition.
Check the article section of my www.

Cheers,
Pete.
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Posted: Fri Jan 07, 2005 5:43 pm 
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Hmmm, Thanks for that......food for thought. However it looks expensive.

I can see what you are doing, but a little more information on pinout and connections would be good. However, I don't think you'd be that liberal though.

Besides, where would I buy the ECU and Tweecer in Australia? Oh, and what is SEFI? I was thinking sequential, but I doubt its that.

I figure it would be cheaper to get an EMS8860. But I wont be going there!

A bit of info on cost might sway me.

Chris

Last edited by chris1966 on Sun Jan 09, 2005 9:11 am, edited 1 time in total.

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Posted: Fri Jan 07, 2005 9:29 pm 
Getting Side Ways
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NSW, Australia

chris1966 wrote:
Hmmm, Thanks for that......food for thought. However it looks expensive.

I can see what you are doing, but a little more information on pinout and connections would be good. However, I don't think you'd be that liberal though.

Besides, where would I buy the ECU and Tweecer in Australia? Oh, and what is SEFI? I was thinking sequential, but I doubt its that.

I figure it would be cheaper to get an EMS8860. But I wont be going there!

I bit of info on cost might sway me.

Chris


Pete is the Australian Tweecer agent, so you can get the Tweecer and probably the ECU from him.

The SEFI does stand for sequential electronic fuel injection, all Falcons factory fitted with a 5.0L Windsor are sequential injection.

As for price talk to Pete, he is more likely to have a better idea than anyone when it comes to total cost compared to EMS8860

EMS8860 I believe is not true SEFI in V8 output, with either injection or ignition, you need to go to something expensive like Autotronic or Motec etc to get sequential using an aftermarket ECU.

EMS8860 ECU currently costs $1,595.00AUD without fitting or any other parts required, if you fit a EF V8 including wiring etc as per donor car you will end up doing it cheaper using Tweecer, plus EPA can be easily pleased if you get checked out and have to go back to them.

 

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93 Ford Maverick LWB automatic petrol guzzler (gets stuck where Deli doesn't, big pumpkins :evil:)
97 S2 Mitsubishi Delica LWB (off the road getting v8 transplant) http://tmacmechanical.com.au/

Last edited by Macca on Fri Jan 07, 2005 9:45 pm, edited 1 time in total.

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