Thread: M119.982 Spark plug heat range colder as the engine ages
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Old 08-03-2010, 02:14 AM
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johnflight1 johnflight1 is offline
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Join Date: Aug 2002
Location: Las Vegas Nevada
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Since I had my plugs out today on my 96 sl500 M119 to do compression checks today I figured I would change the plugs. What would you all recommend I was looking at bosch copper 7927,bosch IR fusion,bosch platinum+2,and bosch platinum+4,but I dont want to really spend $40 to $60 bucks on plugs. Its been running fine on these beru plugs in there now, they look good nice color. but the gap looks to big most are 42 to 46. I thought they were suposed to be 32?
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