OEM Volvo Spark Plugs on 850

Discussion in 'Volvo 850' started by polara, Jul 29, 2003.

  1. polara

    polara Guest

    Why do non-turbo 850's use a tri-electrode spark plug while turbos use
    a single electrode plug? What's the difference? Would there be any
    advantage or reason to use the tri-electrode plugs on a turbo? Thanks
     
    polara, Jul 29, 2003
    #1
  2. polara

    volvowrench Guest

    by polara dropped his wrench, scratched his head
    and mumbled,
    The tri-electrode plugs helps defeat a problem that when cold starting,
    moving the car, and shutting off provokes a hard or no start condition on
    restart a few minutes after. The turbo motor uses a different heat range
    plug, has a different fuel mapping for cold start and doesn't seem to
    have the above problem.

    No advantage that I know of.

    Bob
     
    volvowrench, Jul 31, 2003
    #2
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