20B Engine Management System

Old Apr 29, 2003 | 08:28 PM
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20B Engine Management System

I have been running an E6K the past year and I have sold it a few months ago. I order the E11 about 4 months ago and i am still waiting for it. Everytime i call them to see how they are making out and they tell me its not done yet. I would just like to know what some of you guy's are running because if it takes longer than a month I might be changing to something else.

Thanks for any info.
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Old Apr 30, 2003 | 12:10 AM
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I've heard nothing but good things about the TEC 3 system and that's probably what I'm going to run in my car.
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Old Apr 30, 2003 | 12:18 AM
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From: https://www2.mazda.com/en/100th/
Originally posted by Dragon
I've heard nothing but good things about the TEC 3 system and that's probably what I'm going to run in my car.
yeah, tec 3 should be real nice. you can dl the software from www.getfuelinjected.com

mike
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Old Apr 30, 2003 | 10:54 PM
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What do you guys pay for the motec over there??
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Old May 1, 2003 | 02:12 AM
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Originally posted by mad20b
What do you guys pay for the motec over there??
The plain M48 ECU box sells for about $2,600 USD, while the M880 Pro ECU box sells for about $6,500 USD.
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Old May 1, 2003 | 02:31 AM
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You cant go worng with a Microtech LTX12 for a simple easy to use ecu that will control your motor with direct fire ignation and sequental injection and under $1500 with coil packs.

Dale
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Old May 2, 2003 | 12:33 PM
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Originally posted by 10sec rx7
You cant go worng with a Microtech LTX12 for a simple easy to use ecu that will control your motor with direct fire ignation and sequental injection and under $1500 with coil packs.

Dale

Were is this particullar ecu available for a good price?
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Old May 2, 2003 | 04:00 PM
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I'm running a TEC I with Wintec 2 software. Would've bought a TEC 3 if they were out when I bought mine. TEC's are the only EMS with an accurate ignition system, assuming you true it correctly which will take a definite degree of machinist skill. (This is going to cause the usual arguments). All the other systems rely on the stock crank angle sensor, which may or may not be accurate as you're basing the timing to be accurate to how it was manufactured.

Electromotive only sells through authorized dealers so when you purchase one, you will get reliable customer support during and after the install...very important to me.

Anyhow, do a search on this topic as it has been argued numerous times for the different vendors.
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Old May 2, 2003 | 08:16 PM
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Originally posted by Turbo 3
TEC's are the only EMS with an accurate ignition system, assuming you true it correctly which will take a definite degree of machinist skill. (This is going to cause the usual arguments).
When you say it will take the skill of a machinist, do you mean aligining it to the trailing edge of the 11th tooth?

I have a TECIII, not installed yet and looking for feedback, thanks!

Anthony
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Old May 3, 2003 | 09:33 AM
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Here's a pic of my wheel and magnetic pickups
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Old May 3, 2003 | 09:35 AM
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As you can see, we also slotted the four bolts so we can advance/retard for our zero point as well if needed. The install of the magnetic pickup bracket and pickups is critical too, make sure they will not move from vibration or normal engine movement.
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Old May 3, 2003 | 08:45 PM
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From: https://www2.mazda.com/en/100th/
Originally posted by Turbo 3
As you can see, we also slotted the four bolts so we can advance/retard for our zero point as well if needed. The install of the magnetic pickup bracket and pickups is critical too, make sure they will not move from vibration or normal engine movement.
how can you find tdc on the motor that accuratly?

mike
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Old May 4, 2003 | 07:53 AM
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Originally posted by t-von
Were is this particullar ecu available for a good price?
i can supply you with a LTX12,

PM me for firm price,

i just finished fitting a LTX12 to my 13b today!

Dale
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Old May 4, 2003 | 09:22 AM
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Originally posted by j9fd3s
how can you find tdc on the motor that accuratly?

mike
I'm not sure how my installer did it exactly (he's the pro and I wasn't there when he did it) but we started by referencing the main pulley, line up the pin with the yellow mark on the pulley, and then mark the wheel in degrees and counted backwards to hit the 0 point, same as getting to TDC on any other rotary. We also used the trick of the #1 rotor and a marker to turn the motor until we hit it at the same time like in a piston so we had two references.

For a better explanation, call Fred at Electromotive as he and my installer are much more knowledgeable about it, I'm still a little fuzzy on the critical aspects but I know the principles and how to do it with the stock CAS. I can't give you a before/after accuracy # as reference, unless someone knows how to do such a thing with a stock CAS? How accurate is the stock CAS for instance? I'm assuming it's +/-1% at the most based on the main crank pulley and where the pins are located (L/T).
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Old May 4, 2003 | 05:37 PM
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Hrm...there's a guy here in Florida running an E11...saw it two months ago at the rotors vs. pistons world finals in Gainesville. I know that doesn't help you much....

Also, the price of the various Motec units seems to have come down. I was recently quoted a price of about $1800. I'm sure it was for the M4 or 48 however...
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Old May 4, 2003 | 06:35 PM
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From: https://www2.mazda.com/en/100th/
Originally posted by Turbo 3
I'm not sure how my installer did it exactly (he's the pro and I wasn't there when he did it) but we started by referencing the main pulley, line up the pin with the yellow mark on the pulley, and then mark the wheel in degrees and counted backwards to hit the 0 point, same as getting to TDC on any other rotary. We also used the trick of the #1 rotor and a marker to turn the motor until we hit it at the same time like in a piston so we had two references.

For a better explanation, call Fred at Electromotive as he and my installer are much more knowledgeable about it, I'm still a little fuzzy on the critical aspects but I know the principles and how to do it with the stock CAS. I can't give you a before/after accuracy # as reference, unless someone knows how to do such a thing with a stock CAS? How accurate is the stock CAS for instance? I'm assuming it's +/-1% at the most based on the main crank pulley and where the pins are located (L/T).
i was just wondering, cause it seems like the mark on the pulley might be about a degree wide, plus you are taking mazda's word that its exactly right. sounds like you didnt though so thats ok

mike
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Old May 4, 2003 | 06:50 PM
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Thank you everyone for the Info.

I just spoke with haltech and they tolled me that the E11 has been released last friday and they are going to send it right away.

Thats goods after waiting 4 months.
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Old May 13, 2003 | 12:09 AM
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FYI, guys, if youi're thinking of getting an LTX12, now's the time!

Details: http://www.team140.net/modules.php?n...article&sid=17

Brandon
BR7 Racing
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Old May 18, 2003 | 01:19 AM
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Im going with the Tec 3 with my 20B. And I agree about the accuracy of the ignition system too.
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Old May 21, 2003 | 09:13 PM
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There's nothing special about tec 3's ignition system. IMHO it absolutely sucks that you have to use their stupid 60-2 wheel on whatever car you want to install it on. Plus there ignition coils are just plain old GM coils, nothing special there either. I'd rather use a good cdi box and aftermarket coils instead. There's nothing wrong with using factory triggers. I've seen many electromotive trigger wheels fail, and many tec users switching over to more reliable systems.

IMO there not as good as a motec or autronic.(the kings of stand alones)

Last edited by enzo250; May 21, 2003 at 09:17 PM.
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Old May 22, 2003 | 06:19 AM
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Originally posted by enzo250
There's nothing special about tec 3's ignition system. IMHO it absolutely sucks that you have to use their stupid 60-2 wheel on whatever car you want to install it on. Plus there ignition coils are just plain old GM coils, nothing special there either. I'd rather use a good cdi box and aftermarket coils instead. There's nothing wrong with using factory triggers. I've seen many electromotive trigger wheels fail, and many tec users switching over to more reliable systems.

IMO there not as good as a motec or autronic.(the kings of stand alones)
I live near Electromotive. A friend of mine is sponsered by them. They (Electromotive) brought testing results showing that their ignition system was dead on, even more so then Motec or Haltech. Especially when it came to keeping accurate timing which is vital when it comes to a rotary.
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Old May 22, 2003 | 10:00 AM
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Originally posted by ErnieT
I live near Electromotive. A friend of mine is sponsered by them. They (Electromotive) brought testing results showing that their ignition system was dead on, even more so then Motec or Haltech. Especially when it came to keeping accurate timing which is vital when it comes to a rotary.
Could you post those results and the conditions of the test?

Electromotive has a very poor reputation in my area for their EMS dumping its ignition settings after power-down. Has this been fixed, or do you still need to re-set the ignition every time you power it up?
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Old May 22, 2003 | 10:25 AM
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Originally posted by Evil Aviator
Could you post those results and the conditions of the test?

Electromotive has a very poor reputation in my area for their EMS dumping its ignition settings after power-down. Has this been fixed, or do you still need to re-set the ignition every time you power it up?
I don't have the results. Russ from Electromotive did show us. Demetrios doesn't have to reset his ignition. If it helps, Russ did say the Tec 2 was a POS compared to the Tec 3.
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Old May 31, 2003 | 10:34 PM
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Been doing some looking around, i thought
that the microtech would control the mop but
it doesn't,,, is there any stand alone that does?
I hate mixing oil!
matt
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Old May 31, 2003 | 11:16 PM
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Originally posted by now
Been doing some looking around, i thought
that the microtech would control the mop but
it doesn't,,, is there any stand alone that does?
I hate mixing oil!
matt
The Haltech E11 supposedly does this.

There is also the option of installing a S4 mechanical OMP.
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