Single Turbo RX-7's Questions about all aspects of single turbo setups.

What ignition should I go with?

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Old Aug 1, 2011 | 10:56 PM
  #1  
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PA What ignition should I go with?

Im looking to amplify my ignotion and having 2 step on my single turbo fd..
what should i go with? MSD?
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Old Aug 1, 2011 | 11:18 PM
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The 2,343 threads that you found when doing a search did not provide an answer?
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Old Aug 2, 2011 | 12:57 AM
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I would recommend the M&W Pro14R. Average sale price is in the upper $900 range but its worth it. The coils will run you about another $400.

By the way, I'm running this ignition (M&W Pro14R) with a Motec M84.

M&W Pro14R information:

The Rotary CDI is a special four channel unit that allows 4 outputs to be run at full power with or without split. This unit is specifically designed for the Mazda Rotary engine. It features four trigger inputs and four coil outputs which may be configured in a number of ways. Please contact us for specific application information.

ROTARY CDI SPECIFICATIONS

Maximum engine RPM – 10,500
Supply voltage = 13.8 DC (negative ground only)
Operating voltage = + 5 to +15V (restrictions apply)
Ignition coil voltage = 480V
Outputs are short circuit protected
Reverse polarity load dump protected
Spark energy = 115mJ
12V tacho output
LED indicator for power/trigger
-40°C to +105°C operating range
Dimensions W=110mm,H=40mm, L=150mm
Weight = 870 grams
Maximum current draw = 7A
4 coil output channels


Hope the info helps.
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Old Aug 2, 2011 | 07:04 PM
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HKS Twin Power. We run 500 to the wheels with it without a single ignition issue. Don't waste your time with old, bulky MSD boxes.
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Old Aug 3, 2011 | 12:55 AM
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Originally Posted by Rotary Experiment Seven
HKS Twin Power. We run 500 to the wheels with it without a single ignition issue. Don't waste your time with old, bulky MSD boxes.
+1, I personally am running an M&W CDI right now but I noticed no difference going from the twin power setup even with high boost and injecting plenty of water. Maybe I hadn't pushed the twin power far enough but I figure its more then enough for most peoples needs.

If your set on getting aftermarket coils though, AEM has some nice ones that output almost as much spark energy as the M&W. They're about $70 each with builtin ignitor, less without.

thewird
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Old Aug 3, 2011 | 01:40 AM
  #6  
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Originally Posted by Arthur3328
Im looking to amplify my ignotion and having 2 step on my single turbo fd..
what should i go with? MSD?

What ECU are you using? What are your power goals? What fuel will you use?
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Old Aug 3, 2011 | 03:55 PM
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Im selling my M&W with the coils. Its only 6months old
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Old Aug 3, 2011 | 03:57 PM
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https://www.rx7club.com/race-parts-only-228/m-w-pro-drag-4-coils-963328/
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Old Aug 3, 2011 | 09:18 PM
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ok so the hks is plenty the because thats what im running now..
my setup is street ported single turbo, borg warner s366, 93 + meth... BUT in a few months will be transferring to e85
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Old Aug 3, 2011 | 09:24 PM
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How much boost??
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Old Aug 4, 2011 | 11:48 PM
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Hks
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Old Aug 5, 2011 | 02:56 PM
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Buy the M&Ws! You won't regret it. And at Ernie T's price, you can't beat it. Pro Drag 4 or 4R.
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Old Aug 5, 2011 | 02:57 PM
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Mine is SOLD...
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Old Aug 5, 2011 | 11:58 PM
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Ernie you were practically giving it away!
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Old Aug 6, 2011 | 03:44 PM
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Thanks for all the opinions!
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