I experienced something similar to what you described with my 83 SC (USA) about 15 months ago. Towed it to my local Porsche aircooled specialist. The CDI died. He replaced the CDI and ignition coil. You can check out my posts from that episode here:
https://forums.pelicanparts.com/12040215-post87.html
Quote:
Originally Posted by dazandkim911SC
The car started & ran perfectly for approx 30-40min then shutdown, no cough, hesitation or splutter, just an abrupt stop. Car started straight away, ran for 20-30 sec then same shutdown. Subsequent starts perfect, but with same shutdown after 20-30sec.
Allowed car to cool down for 20-30min then car started & ran again for 20 min then same abrupt shutdown.
Has anyone had this defect?
Thanks.
911SC 1981 ROW
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