Quote:
Originally Posted by targa72e
The 84 3.2 Carrera had a dumb distributor. No advance or trigger mechanicals. It just has a rotor do direct the spark. The ignition advance and trigger is performed by the DME using the sensor that read the flywheel teeth (see picture).
You will need to replace both trigger and advance functions. This is where the 123 distributor suggestion comes in. The 123 distributor would replace your dumb distributor with a distributor that could trigger your MSD and provide ignition advance.
Other options listed are to use some type of programable system to replicate the DME ignition function.
Clewett has a solutions that replace the whole distributor as well.
https://www.clewett.com/index.php?main_page=index&cPath=1_71
lots of different ways to go.
John
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Actually, the rotor does move a little as the RPM changes on the 911 3.2, to avoid the spark jumping to the wrong plug wire.