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greggearhead
Samba Member
Joined: June 20, 2004
Posts: 563
Location: Colorado Springs, CO
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 Posted: Tue Dec 06, 2016 1:04 pm Post subject: Best distributor to start with for building electronic dual plug |
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Likely Glenn can answer, but I don't mind putting this up for everyone's education as well.
I am looking to build a distributor, based on an air cooled VW one, using the Nissan Z22 dual plug cap and rotor. Since it will be electronic, and all I need is the core dizzy, I am wondering what model I should start with?
My main concern is being able to have it built/rebuilt with readily available parts - I don't need a specific advance curve or anything at this point.
It is going in an NSU 4 cyl, that uses the same distributor drive. I also don't need the #3 cyl retard.
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1972 Porsche 911E
1973 VW 412
1984 VW Doka
1991 Vanagon Syncro Westy
Period Lights, VW & Porsche wheels and Recaro/Scheel Seats for sale
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mark tucker
Samba Member
Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Tue Dec 06, 2016 7:06 pm Post subject: Re: Best distributor to start with for building electronic dual plug |
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| I would go for the cb manga spork. eazy tuneing. |
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greggearhead
Samba Member
Joined: June 20, 2004
Posts: 563
Location: Colorado Springs, CO
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| Posted: Tue Dec 06, 2016 7:45 pm Post subject: Re: Best distributor to start with for building electronic dual plug |
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It looks like a great option - I like CB, it looks like a work alike to the MSD and Pertronix 'big' distributors, and sounds like it has better construction than the normal Chinese 009 dizzys. I hope. My biggest concern is that the dizzy lasts at 8000rpm, and can be refurbished if need be. Also that the fabrication to adapt the other cap and rotor isn't overly difficult.
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1972 Porsche 911E
1973 VW 412
1984 VW Doka
1991 Vanagon Syncro Westy
Period Lights, VW & Porsche wheels and Recaro/Scheel Seats for sale
https://www.facebook.com/greggearhead
http://greggearhead.com/soco-swap---september-vw-swap-meet.html |
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Dale M.
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Joined: April 12, 2006
Posts: 20380
Location: Just a tiny bit west of Yosemite Valley
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| Posted: Tue Dec 06, 2016 8:39 pm Post subject: Re: Best distributor to start with for building electronic dual plug |
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I would not use a distributor... I would trigger anything other than average/normal ignition with crank fire... And use electronic "black box" to drive wasted spark either coil or plug (cop) or coil near plug (CNP) ...
Dale
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greggearhead
Samba Member
Joined: June 20, 2004
Posts: 563
Location: Colorado Springs, CO
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| Posted: Tue Dec 06, 2016 8:44 pm Post subject: Re: Best distributor to start with for building electronic dual plug |
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I hear ya Dale, and I agree, it would be much more accurate.
However, it's vintage racing and there needs to be a distributor in the hole to look correct. And I'm not going for every last ounce of power, but reliability and durability, so I can get away with a non crank sensor setup I think.
_________________
1972 Porsche 911E
1973 VW 412
1984 VW Doka
1991 Vanagon Syncro Westy
Period Lights, VW & Porsche wheels and Recaro/Scheel Seats for sale
https://www.facebook.com/greggearhead
http://greggearhead.com/soco-swap---september-vw-swap-meet.html |
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66brm
Samba Member
Joined: January 25, 2010
Posts: 3676
Location: Perth Western Australia
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| Posted: Wed Dec 07, 2016 5:14 am Post subject: Re: Best distributor to start with for building electronic dual plug |
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Stick a dizzy in the hole but still run a hidden crank trigger
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| I am an expert at fitting things in holes, been doing it a long time |
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greggearhead
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Posts: 563
Location: Colorado Springs, CO
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yamaducci
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Joined: March 30, 2010
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Glenn 
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Joined: December 25, 2001
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greggearhead
Samba Member
Joined: June 20, 2004
Posts: 563
Location: Colorado Springs, CO
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| Posted: Wed Dec 07, 2016 7:51 am Post subject: Re: Best distributor to start with for building electronic dual plug |
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Thanks - I have seen that, and it gives good info for stock engines.
I will adapt the Nissan top to a VW bottom, just not sure exactly how it will come together yet.
_________________
1972 Porsche 911E
1973 VW 412
1984 VW Doka
1991 Vanagon Syncro Westy
Period Lights, VW & Porsche wheels and Recaro/Scheel Seats for sale
https://www.facebook.com/greggearhead
http://greggearhead.com/soco-swap---september-vw-swap-meet.html |
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yamaducci
Samba Member
Joined: March 30, 2010
Posts: 2335
Location: Mount Airy, Maryland
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| Posted: Wed Dec 07, 2016 8:54 am Post subject: Re: Best distributor to start with for building electronic dual plug |
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A lathe to cut the tops off at the correct location above the inner bearing and a TIG welder. Then whatever magical rotor the Nissan uses will need to be adapted. Whether that means machining the rotor to fit the shaft or modifying the shaft to mimic the Nissan. That can also be done with a lathe and TIG.
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