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JoeMag's Avatar
 
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Twin plugging with 964 twin dizzy?

Guys -- Has anyone here done this on 930 in their efi conversion? What is involved? At first blush seems like a much easier (and maybe less costly?) conversion than multi coils w/trigger wheel on crank.

--Joe

Last edited by JoeMag; 11-20-2006 at 12:37 PM..
Old 11-17-2006, 10:36 AM
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Joe,

There are pros and cons to doing this, which I'll let others hash out. But it can be done with a twin distributor (which used to be debated). Here's a thread where I posted a pic of an EFI 930 with a 964 distributor.

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Rob
Old 11-17-2006, 10:59 AM
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Rob -- thx. ...that an old post so I'm hope'n some folks can give details of how done.

YermanCars -- I just was reading another post and see you're going to do this. What's required?

Last edited by JoeMag; 11-17-2006 at 11:42 AM..
Old 11-17-2006, 11:39 AM
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saw that to. Also saw his for sale thread. I wonder if he is supercharging it or something as he was talking about DE's etc.. Anyhow on topic I think the EDIS is the way to go its pretty cheap if you already have EFI . if not go the dizzy route
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Old 11-17-2006, 12:23 PM
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EDIS?,,... don't recognize that.
Old 11-17-2006, 01:54 PM
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Crank fired (timed to cam, obviously) distributorless ignition with typically multiple coil packs. Think new car applications applied to our older cars.

Many are using the Ford packs, which I also plan to do. There are some articles here and elsewhere...usually in reference to TECII or MegaSquirt type EFI's though obviously others apply.
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Last edited by Lukesportsman; 11-17-2006 at 02:53 PM..
Old 11-17-2006, 02:51 PM
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If you use a 964 dizzy, don't you have to change the gear drive on the crank?
Old 11-17-2006, 03:32 PM
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Like 930Rocket suggests, don't SC and 930 engines require a reverse rotation dizzy or gear swap?
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Old 11-18-2006, 04:26 AM
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Quote:
Originally posted by JoeMag
Rob -- thx. ...that an old post so I'm hope'n some folks can give details of how done.

YermanCars -- I just was reading another post and see you're going to do this. What's required?
I have not done it yet, but I will over the winter. The reason I am doing it is because I purchase a SDS efi system that uses the distributor for ignition, not coils. I was force to this path because of it. I will be running 2 ignition boxes, 2 coils and the 964 twin dizzy. I believe on a 3.2, I don't need to change the gear, but on the SC and 930's you do.
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Old 11-21-2006, 06:00 AM
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Quote:
Originally posted by mb911
saw that to. Also saw his for sale thread. I wonder if he is supercharging it or something as he was talking about DE's etc.. Anyhow on topic I think the EDIS is the way to go its pretty cheap if you already have EFI . if not go the dizzy route
I would never supercharge my Porsche. I am maybe looking to change my setup around a little.
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Old 11-21-2006, 06:02 AM
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glad to hear. Can't wait to see the next setup.. good luck
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Old 11-21-2006, 06:19 AM
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964 distributor will require a 3.6 dizzy drive gear on the crank. Contact Steve Weiner at Rennsport Systems for more info.
Old 11-28-2006, 01:00 PM
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Quote:
Originally posted by JP911
964 distributor will require a 3.6 dizzy drive gear on the crank. Contact Steve Weiner at Rennsport Systems for more info.
That's for the 930 and SC's right? For the 3.2 Carrera, it's simply a drop in affair?

Can someone plz verify?
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Old 11-30-2006, 04:03 PM
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Quote:
Originally posted by WydRyd
That's for the 930 and SC's right? For the 3.2 Carrera, it's simply a drop in affair?

Can someone plz verify?
Yes, The twin dizzy is a plug and play w/ the 3.2.....
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Old 11-30-2006, 04:25 PM
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