Delco (black distributor cap) or Bosch (brown distributor cap)
will broad
 
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As the subject says, as I have not replaced my distributor cap and rotor arm for a few years now

Postby will broad » Fri Feb 09, 2018 7:21 pm


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Phil Bradshaw
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As necessary. Neither are service items for regular replacement like contact breaker points (but still need to be checked).

Delco D300 contact breaker distributor (black cap): replace rotor when central contact loses its springiness, cap when carbon button in the top works loose.

Bosch JHFU4 electronic distributor (brown cap): replace rotor arm when internal resistor fails, cap when carbon button is worn down or its spring has deteriorated.

Both: replace when contacts in cap or on rotor are past cleaning back to bright metal; replace cap and HT leads if terminals become corroded.
    What is real is not the external form but the idea, the essence of things. Constantin Brâncuși

Postby Phil Bradshaw » Fri Feb 09, 2018 8:43 pm