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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

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Old 12-23-2008, 12:28 AM   #1
lcrotaryracer
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Default can u change the coils with msd's

i have seen fd an fc with msd coils but dose any one know what msd coils to use or ho to wire them up and can u use a 6al or dis box on a fc help me if u can






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Old 12-23-2008, 12:36 AM   #2
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The factory coils are going to be your best option unless you are doing some crazy turbo mod. Hell they are so good, it is cheap mod for the third gen guys to "upgrade" to the stock second gen coils.
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Old 12-23-2008, 02:43 AM   #3
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The MSD coils cannot be fired directly from the stock ECU.
If you want to use the MSD coils (or almost any aftermarket coil), you need to keep the stock ignitors or wire in an (aftermarket) ignitor in between the coil and the stock ECU.

The FD is easier to do this since the ignitor (pack) is remote of the coils themselves.
The FC has them built into the coil packs.

With that said, JL1RX7 is right: the stock FC coils are plenty powerful for most applications.
Why do you want them to replace them with the MSD coils?

You can run a single MSD 6A to the stock leading coils, which will give you the most difference.
Install instructions are on my website.


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Old 12-23-2008, 01:19 PM   #4
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Quote:
You can run a single MSD 6A to the stock leading coils, which will give you the most difference.
Agreed. I had the setup on my car for a few years.
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Old 12-23-2008, 02:54 PM   #5
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Default so dose it wire like a regular coil

can use a 6al or street fire there are the same the only diff is with the street fire u dont need a pill

thanks
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