Bottle or Tap?

Our optimistic members ignored the forecast and enjoyed their ice cream.

Another great day and fantastic social event at the Bird Dog Cider Farm. Click below to see the photos.

As the 2023 driving season comes to a close, we held our final event of the year - our Annual Banquet. Enjoy the wonderful pictures from David Churcher and we look forward to seeing you all next year! Click on a thumbnail to see all the photos!

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by Bob Tucker

There is so much mystery surrounding the CIS (continuous injection system) fuel system Bosch has dubbed K Jetronic, I wanted to try and make some sense of it for all Porsche owners. The bits of the system include the fuel pump, pre-pump on some models, fuel filter, accumulator, fuel distributor, warm-up regulator, injectors, auxiliary air valve, air sensor plate, cold start valve, thermo-time sensor and on newer models an oxygen sensor, frequency valve and mixture control unit were added.

If you think you're fuel pump is not working, here's how to check it out:

The Bosch K Jetronic, or continuous injection system (CIS), is a mechanically-based fuel injection system that was used on the 911, 911 Turbo, 924, 924 Turbo, and 928 models during the 1970's and into the early 1990's. As these systems age, there are several components you can change to tune up the system, which is what we'll cover, using a 911SC as the example. The components we'll look at are the in-tank fuel filter, the regular fuel filter, and the fuel injectors. Note that CIS fuel injectors have a non-replaceable filter inside the fuel injector.