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spark plugs?

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spark plugs?

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Old

Dec 3, 2009 | 11:51 PM

#1

ktm747

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spark plugs?

on my 67' f250 the plug on cylnder 5 has a white electrode does this men its a dead cylinder

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Old

Dec 4, 2009 | 01:12 PM

#2

Manic_Mechanic68

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Joined: Nov 2009

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From: Salt Lake City, Utah

It is most likely due to overheating. If all ignition adjustments are correct try using a spark plug with a one colder heat range.

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Old

Dec 4, 2009 | 11:28 PM

#3

tinaheel

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could be either lean or burning anti-freeze

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