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Spark plug gap

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Old Jun 4, 2003 | 07:38 PM
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01SS's Avatar
01SS
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Instructor
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Joined: Mar 2003
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From: Chandler Arizona
Default Spark plug gap
I just got a set of NGK TR-55. What should I set the gap to?

Motor is stock.
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Old Jun 4, 2003 | 10:16 PM
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99C5Richie's Avatar
99C5Richie
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From: CA
Default Re: Spark plug gap (01SS)
I left mine with the stock NGK gaps... .57
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Old Jun 4, 2003 | 10:58 PM
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los7883
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Joined: Jan 2002
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From: Arlington TX
Default Re: Spark plug gap (99C5Richie)
I believe gap should be between .055 and .060...stock gap is .060 Just installed my TR55's and they were all gapped at .057...left them like that.
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Old Jun 5, 2003 | 08:41 AM
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AFVETTE
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Joined: Sep 1999
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From: Swansea IL
Default Re: Spark plug gap (01SS)
Mine came gapped right at .55 and I installed them as they were. The car idle's like glass and pulls to the red line w/o difficulty. The car is going on a long road trip this weekend and I'll give it a good "shake down" run.

BTW I bought the newer TR55IX NGK's and installed the MSD wires.

Tom
USAF Retired
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