[rusEfi] 1993 Mazda Protege (#3)

What engine are you torturing? Is it inside some car?
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russian
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1993 Mazda Protege (#3)

Post by russian » Fri Apr 11, 2014 3:13 am

Mazda 323 Sixth generation (BG; 1989–1994), also related to Ford Escort GT (North America) Mazda BP is a popular engine swap for Ford Festiva (Mazda 121), same engine is also used in Mazda Miata/MX-5

Trigger shape:
Image

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Full(?) ECU pinout:
https://docs.google.com/spreadsheet/ccc ... U51OXVxa0E
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Re: 1993 Mazda Protege

Post by russian » Fri Apr 11, 2014 11:29 pm

Minimalistic wiring:

4/1G Igniter
12/1B +12 in start and run

1/2A Ground Injector

3/2E secondary trigger input
4/2G primary trigger input
6/2K +5v air meter power supply
8/2O air flow meter

11/2U Injector (1&3)
15/2D Ground - sensor return
24/2Y injector (2&4)
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Re: 1993 Mazda Protege

Post by russian » Sun Apr 13, 2014 12:05 am

So that's less than 48 hours since I've decided to start engine #3 for a demo at a Lemons race next weekend:

[video][/video]
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Re: 1993 Mazda Protege

Post by kb1gtt » Sun Apr 13, 2014 1:59 am

Nice, nice. Also cool that I didn't have to offer much help. Your getting better with the electrical stuff. So, how long until the mini is going?
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Re: 1993 Mazda Protege

Post by kb1gtt » Sun Apr 13, 2014 2:00 pm

So as a re-cap of the time line, this would be the major steps start to finish.
1. Cam and crank were sniffed on April 10th, with a low cost logic analyzer.
2. Firmware was written to decode the crank / cam signal(s).
3. Injectors and ignition were connected to Frankenstein via OEM like harness adapter.
4. Fuel injectors, spark control, and such were tuned.
5. Engine was cranked and started on the April 12th. Which left you with Sunday to rest or fine tune it even more.

Not a bad time line, basically it's start to finish in 48 hours or less. Is that correct? I think total material cost was also less then $200 is that correct?

Oh, also I think you were working on Friday, so not all those hours count, also I know I bugged you from time to time about various other items. So again other distractions that took some time away from doing this engine 100% of the time. So well under 48 hours if I understand it correctly.
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Re: 1993 Mazda Protege

Post by russian » Sun Apr 13, 2014 2:11 pm

Cam signals (these are both cam signals - two sensors inside the distributor) were sniffed and recorded a year or two ago, but apparently nothing has changed since.

Image

In this uber-minimalistic version the ECU board + brain board are really pushing the $100 threshold.
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Re: 1993 Mazda Protege

Post by puff » Sun Apr 13, 2014 2:31 pm

is it the third one running rusefi?! :D

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Re: 1993 Mazda Protege

Post by pauloasbrito » Mon May 12, 2014 2:09 pm

Hi, nice work you have done :D

Are you thinking in make some thing to Z5 engine?

Keep the good work.

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Re: 1993 Mazda Protege

Post by russian » Mon May 12, 2014 4:31 pm

pauloasbrito wrote:Are you thinking in make some thing to Z5 engine?

Keep the good work.
Thank you for the warm words. I do not have a Z5 engine to play with, but since rusEfi is universal you should be able to make yourself one, too. In case something you be missing I will implement whatever is missing :)
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Re: 1993 Mazda Protege (#3)

Post by russian » Sun Feb 08, 2015 9:53 pm

New board for the Festiva under new management
IMG_0633_2.jpg
IMG_0633_2.jpg (405.33 KiB) Viewed 6591 times
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Re: 1993 Mazda Protege (#3)

Post by tigeryan » Mon Feb 09, 2015 1:00 am

I have a few of those decals for you...and can make other sizes if you need them :)
Ford Festiva with Mazda Protege Block, Mazda Miata BP4W head and Protege intake w/mods, Ford Escort GT transmission ----- yup, it is a lemon!!!

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Re: 1993 Mazda Protege (#3)

Post by russian » Mon Feb 09, 2015 8:04 pm

tigeryan wrote:I have a few of those decals for you...
I need a couple to put on my truck :)
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Re: 1993 Mazda Protege (#3)

Post by tigeryan » Tue Feb 10, 2015 11:55 pm

How big do you want them? I can go up to 11" tall, unlimited long :)
Ford Festiva with Mazda Protege Block, Mazda Miata BP4W head and Protege intake w/mods, Ford Escort GT transmission ----- yup, it is a lemon!!!

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