[rusEfi] 1993 Mazda Protege (#3)

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AndreyB
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1993 Mazda Protege (#3)

Post by AndreyB »

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AndreyB
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Re: 1993 Mazda Protege

Post by AndreyB »

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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AndreyB
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Re: 1993 Mazda Protege

Post by AndreyB »

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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kb1gtt
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Re: 1993 Mazda Protege

Post by kb1gtt »

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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kb1gtt
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Re: 1993 Mazda Protege

Post by kb1gtt »

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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AndreyB
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Re: 1993 Mazda Protege

Post by AndreyB »

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 »

is it the third one running rusefi?! :D
pauloasbrito
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Re: 1993 Mazda Protege

Post by pauloasbrito »

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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AndreyB
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Re: 1993 Mazda Protege

Post by AndreyB »

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 AndreyB »

New board for the Festiva under new management
IMG_0633_2.jpg
IMG_0633_2.jpg (405.33 KiB) Viewed 13325 times
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tigeryan
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Re: 1993 Mazda Protege (#3)

Post by tigeryan »

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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AndreyB
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Re: 1993 Mazda Protege (#3)

Post by AndreyB »

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

Post by tigeryan »

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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