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Point gap & dwell


Vehicle Information: Model: 911 Carrera, 3.0 European; Year: 1976; Body Type: Targa; Total Mileage: 102,000;

Per my spec book, it states that points are set at 14mm gap and dwell is at 38 degrees +\- 3 %. In order to get 38 degrees dwell, I have to decrease my point gat to 10mm. In doing so, I can't get a good idle out of car. Why such the drastic change in point gap to obtain proper dwell?Distributor was recently replaced with proper part, used, but extremaly good condition.

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