Duraspark control module
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Elder User
Joined: Feb 2004
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From: Indiana
Duraspark control module
I know that I have read here that the duraspark control module with the blue connector works on 4, 6, and 8 cylinder motors. A friend on mine borrowed on I took off of a 300 straight six and used it on a 302 conversion from efi to carb. He said above 5000 rpms the motor started to cut out like it was running out of gas. Someone he talked to, asked him if the control module came from a straight six motor (which it was). The guy told him to put one on it from a V8. He swapped it out and it ran way much better. The guy told him that the straight six control module doesn't work at higher rpm's due to it not meant to run above 5000 rpm's.
Has anyone every came across this or heard of this before?
Has anyone every came across this or heard of this before?
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Numberdummy can give you the straight scoop from the Ford part manuals. I have never heard of a difference. But then any module can be bad on the high RPM side so a sample size of one unknown condition module is not exactly reliable.
Also there is a big quality difference between a genuine Motorcraft ignition module and aftermarket units also.
Also there is a big quality difference between a genuine Motorcraft ignition module and aftermarket units also.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 783
From: Simi Valley, CA
Originally Posted by Ranger GT2
I know that I have read here that the duraspark control module with the blue connector works on 4, 6, and 8 cylinder motors. A friend on mine borrowed on I took off of a 300 straight six and used it on a 302 conversion from efi to carb. He said above 5000 rpms the motor started to cut out like it was running out of gas. Someone he talked to, asked him if the control module came from a straight six motor (which it was). The guy told him to put one on it from a V8. He swapped it out and it ran way much better. The guy told him that the straight six control module doesn't work at higher rpm's due to it not meant to run above 5000 rpm's. 
TOTAL Caca del Toro!
TOTAL Caca del Toro! Last edited by NumberDummy; Apr 30, 2007 at 03:10 PM.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 783
From: Simi Valley, CA
Originally Posted by Torque1st
I have never seen one of those red modules. I have seen green, yellow, black and blue tho... Maybe they were all "retired" somehow.
You never saw or had a red module? Consider yourself fortunate. You wouldn't want one any more than you would want a purple cow. They are an abomination on any vehicle they were used on.
Last edited by NumberDummy; Apr 30, 2007 at 03:16 PM.
Posting Legend
Joined: Sep 2001
Posts: 30,255
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Standard... Yuck! I have placed a number of those on the dead pile...
Standard, Borg Warner, store brands, all junkers. At least have the module tested at the parts store. Some parts store testers are better than others tho.
Standard, Borg Warner, store brands, all junkers. At least have the module tested at the parts store. Some parts store testers are better than others tho.
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Cargo Master
Joined: Mar 2007
Posts: 2,935
Likes: 34
From: Arcadia, Fla
A question, has anybody ever reversed engineered the Duraspark modual yet? or know of any schematics of the internal circuts?
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MSEE
Joined: Apr 2004
Posts: 10,386
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From: Austin, TX
Originally Posted by Eddiec1564
A question, has anybody ever reversed engineered the Duraspark modual yet? or know of any schematics of the internal circuts?
Cargo Master
Joined: Mar 2007
Posts: 2,935
Likes: 34
From: Arcadia, Fla
I guess I'll find a module that had the epoxy melt out of it(seen it happen before) and start tracing componets. I was able to get a MCU(not a ECC system)from a 82 Marquis 302/aod out of its epoxy(3 hours later even with half epoxy melted out) and will start tracing it out as I could not find anything about it.
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