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Rocket Scientist
 
Join Date: Jun 2008
Location: Detroit
Posts: 911
Ignition Distributor Rebuild Kits - Myth or Reality?

I would like to do some experimenting with a 3.2 distributor and electronic ignition timing on my 3.3L turbo motor. I see that Pelican parts has the drive gear, which I can cut down and install so that the distributor turns the correct direction, but what about new bearings, advance springs and stuff like that? Are there any Bosch distributor rebuild kits out there?
Old 02-22-2009, 11:35 AM
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Manassas, VA
 
lucittm's Avatar
 
Join Date: Apr 2007
Posts: 1,211
Garage
I have been thinking along the same lines...
However, since our 3.3L distributors are so different, I'm not sure what you would gain from a 3.2 distributor? Can you be more specific? And if you ditch your EZ69 and coil, I would like them to experiment with.

Thanks,
Mark
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1991 964 Polar Silver Metallic Turbo Coupe
Old 02-22-2009, 12:45 PM
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Rocket Scientist
 
Join Date: Jun 2008
Location: Detroit
Posts: 911
If my understanding is correct, you would not gain as much, because the 964 based 911 turbo had and electronic ignition map. I think your distributor has no vacumn "can" on the side. Is that correct?

All of the 1989 and older 911 turbo's used a combination of vacumn advance/retard and centrifugal advance. This is OK, but pretty old-school by today's standards. It was also compromised by the fact that ignition retard is used to raise idle speed when the engine is cold (emissions). In order to make this work right, the base ignition timing is also retarded from optimum, which in turn throws off the centrifugal/vacumn advance. The whole timing curve is just not quite right.

With electronic ignition timing (still using a distributor) I won't be needing the vacumn advance/retard (the can on the side) mechanism. The 3.2L distributor does not include it (being a DME motor). That is why I want to adapt one to the 3.3L turbo engine. I could just remove the can and it's linkage on my 3.3L turbo distributor, but that is not as cool!
Old 02-22-2009, 08:29 PM
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