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Thread: 70S Crank Fire or Not?

  1. #1

    70S Crank Fire or Not?

    The distributor on my pastel blue 70S is tired and at the point of needing to be rebuilt. I looked for almost a decade for this car, then spent two years having it restored and have since driven the s**t out of it and enjoyed every minute. Motor is mostly stock with Carrillo rods and SSIs. Overall it is a moderate hot rod with a few trick bits here and there. I would sell my house before I sold this car. Now the question is do I just rebuild the distributor or go with a Clewett crank fire system and mount in a 100% reversible way? I am doing a Clewett system on my 66 and the "cleanliness" of the instal and drivability is a huge plus. Thoughts?

  2. #2
    Senior Member
    Join Date
    Aug 2011
    Location
    Lake Geneva / Switzerland
    Posts
    134
    I would rebuild the distributor and upgrade it with an electronic contactless ignition. So, you can use the HKZ, which is good for a classical 911. The system safe and perfect for normal use….

    Personal I don’t like the Clewett system with their look, even when their performance is good. For me the system it’s a little bit to “clean” for a vintage Porsche.

  3. #3
    Senior Member
    Join Date
    Jun 2013
    Location
    lynchburg, Va
    Posts
    543
    I have used the Electromotive crankfire for about 30 years on my 1970S. Total reliability and never had to touch it once installed.
    Attached Images Attached Images  
    1969 911S Targa
    1970 911S Coupe
    1973 911T w 3.2
    1972 Alfa GTV 2000

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