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Difference in HEI distributors?

Discussion in 'The Garage' started by Sample, Dec 18, 2002.

  1. Sample

    Sample 1/2 ton status

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    Location:
    Apache Junction, AZ
    What is the difference between the 4 pin HEI modules and the 5 pin modules? Can you interchange them?
     
  2. txbluethunder

    txbluethunder 1/2 ton status

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    Location:
    Austin, TX
    from what i understand the 5 pin is for those with electronic spark control or california emissions. the 4 pins are non-electronic controlled.
     

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