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spark plug gapping qusetion?

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Old Jun 8, 2002 | 03:26 PM
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Default spark plug gapping qusetion?

i need to know the gap needed for ngk tr 55 spark plugs. thanks in advance.
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Old Jun 8, 2002 | 04:37 PM
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Default Re: spark plug gapping qusetion? (jofre_69)

The factory manual spec is .060". I gapped mine at .057"


Edit: Tightening torque is 11 lb.ft.


[Modified by Patches, 3:43 PM 6/8/2002]
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Old Jun 8, 2002 | 05:13 PM
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Default Re: spark plug gapping qusetion? (Patches)

The factory manual spec is .060". I gapped mine at .057"


Edit: Tightening torque is 11 lb.ft.


[Modified by Patches, 3:43 PM 6/8/2002]

I did the same thing at .058 ...
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Old Jun 9, 2002 | 10:23 AM
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Default Re: spark plug gapping qusetion? (Patches)

Please clue me in. Why would you use a smaller than recommeded gap?

Thanks.
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Old Jun 10, 2002 | 07:09 AM
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Default Re: spark plug gapping qusetion? (THamilton)

I have installed two sets of these plugs in two different cars. All of the plugs out of the box were at 0.057. I upped them to the specificed 0.060. In the end, I don't think the 0.003 will make any difference. You may want to just check them as they come out of the box to make sure you don't have a out of tolerance gap and then just install as delivered.
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Old Jun 10, 2002 | 05:12 PM
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Default Re: spark plug gapping qusetion? (jofre_69)

I gapped at .055 with no problems.
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