1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

13b 6al won't start

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Old Feb 26, 2022 | 04:11 PM
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From: CA
13b 6al won't start

So I've wired up my 6al box using this diagram
I have gutted the leading igniter this way and this way and I have made sure it was at TDC twice using this video,
and I still cant get it to start. I have spark. I have fuel. Am I missing something? Any help would be greatly appreciated.
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Old Feb 26, 2022 | 07:23 PM
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From: KC
Are you sure the 12A version of this conversion will work for the GSL-SE?
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Old Feb 26, 2022 | 11:12 PM
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From: Parkville, Mo
Originally Posted by KansasCityREPU
Are you sure the 12A version of this conversion will work for the GSL-SE?
For a carb engine, yes. This is what I did - first a 12A with a Niki then on my current 13B with a weber
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Old Feb 27, 2022 | 09:21 AM
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From: https://www2.mazda.com/en/100th/
if you spray something flammable into the intake does it start? if yes then you need to hook up the ECU's tach signal wire so it can turn on the injectors
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Old Feb 27, 2022 | 12:04 PM
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From: CA
Originally Posted by j9fd3s
if you spray something flammable into the intake does it start? if yes then you need to hook up the ECU's tach signal wire so it can turn on the injectors
no ECU. It's carbed. It won't even start with starting fluid.
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Old Feb 27, 2022 | 12:27 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by russaroll
no ECU. It's carbed. It won't even start with starting fluid.
are you sure you have spark?
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Old Feb 27, 2022 | 03:44 PM
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From: CA
Originally Posted by j9fd3s
are you sure you have spark?
I have leading spark but no trailing spark. I read in another thread that it should still start without trailing spark. Also when I try to start it it's popping out the exhaust.
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Old Feb 27, 2022 | 05:11 PM
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From: █▬█ █▄█ █▬█ █▄██▬█ █▄█ █▬█ █▄█
What terminal did you connect to on your ignition switch?
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Old Feb 27, 2022 | 07:06 PM
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From: KC
Originally Posted by russaroll
I have leading spark but no trailing spark. I read in another thread that it should still start without trailing spark. Also when I try to start it it's popping out the exhaust.
Sounds like the dizzy isn't timed/clocked correctly.
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Old Feb 28, 2022 | 09:43 PM
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From: CA
Originally Posted by FührerTüner
What terminal did you connect to on your ignition switch?
it's push button, so it just needs power and to be wired to the starter.
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Old Feb 28, 2022 | 09:45 PM
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From: CA
Originally Posted by KansasCityREPU
Sounds like the dizzy isn't timed/clocked correctly.
I made sure the dimple was lined up with the arrow.
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Old Feb 28, 2022 | 10:01 PM
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From: █▬█ █▄█ █▬█ █▄██▬█ █▄█ █▬█ █▄█
Originally Posted by russaroll
it's push button, so it just needs power and to be wired to the battery
So you the thick red wire going to thw battery and the smaller red ignition switched 12v wire going where?

Sounds like you have trailing spark but no leading spark.

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Old Mar 1, 2022 | 12:01 PM
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From: https://www2.mazda.com/en/100th/
Originally Posted by russaroll
I have leading spark but no trailing spark. I read in another thread that it should still start without trailing spark. Also when I try to start it it's popping out the exhaust.
i don't know how your car is setup, but a stock 84-85 car won't run the fuel pump if the trailing ignition isn't hooked up/working
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Old Mar 1, 2022 | 02:16 PM
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From: CA
Originally Posted by j9fd3s
i don't know how your car is setup, but a stock 84-85 car won't run the fuel pump if the trailing ignition isn't hooked up/working
the motor is in a 510. The fuel pump runs independently through a separate switch.
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Old Mar 1, 2022 | 02:18 PM
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From: CA
Originally Posted by FührerTüner
So you the thick red wire going to thw battery and the smaller red ignition switched 12v wire going where?

Sounds like you have trailing spark but no leading spark.
the + post on the 3rd coil, just like the diagram.
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Old Mar 1, 2022 | 08:55 PM
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From: █▬█ █▄█ █▬█ █▄██▬█ █▄█ █▬█ █▄█
Originally Posted by russaroll
the + post on the 3rd coil, just like the diagram.
im talking about these wires my guy. Where are you getting your 12v sources. Big one goes to the battery, small one goes to the ignition switch so where are you getting your switched 12v power?


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Old Mar 6, 2022 | 04:11 PM
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From: CA
Originally Posted by FührerTüner
im talking about these wires my guy. Where are you getting your 12v sources. Big one goes to the battery, small one goes to the ignition switch so where are you getting your switched 12v power?

I have the small red from the msd going to a fuse box and a wire going from + on the coil to a distribution block, so the coil has power when the kill switch is on.
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