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Thread: 1967 Porsche Service Dept letter regarding High Capacity ignition Systems

  1. 06-01-2019, 04:17 PM #1
    Steve Unterman
    Steve Unterman is offline
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    1967 Porsche Service Dept letter regarding High Capacity ignition Systems

    Hi there,

    I'd like to find a good copy of a 1967 Porsche Service Department letter regarding the use of high capacity ignition systems. I attached a photo of the letter I'm looking for. Any help would be appreciated.

    Thanks,
    Steve Unterman
    untermans@aol.com
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  2. 06-01-2019, 06:38 PM #2
    Orval_F
    Orval_F is offline
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    I tried the Delta Mark 10 and was dissatisfied with its durability, due to the fact that it used germanium transistors, which were prone to heat failure. I finally got a Permatune, which served me very well. I could burn leaded fuel in town driving, with road plugs, rather than switching to hotter spark plugs.
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