normsuss 11/2/2010

1986 Chevrolet K20 Custom 8Cyl5.7L - Engine

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Starting very hard when the engine is cold.

Starts OK when warm. Starting somewhat better in warm weather.

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  Bobby 11/2/2010

  check the battery voltage before starting in cold weather, if ts below 12 volts could be time for a new batery. other things to consider, ignition tune-up, sometimes a weak spark caused by old plugs wires, cap and rotor can cause hard starting in colder weather.

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  normsuss 11/2/2010

  It''s carburated, Electronic ignition. Plugs are relatively new (platinum). Visually checked spark plug wires at night for flashover. No corona or flashover. I will check the battery voltage.....thanks for the reply.