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yes another spark plug gap question

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Old 05-03-2010, 08:15 AM
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Default yes another spark plug gap question

my car is a 99 t/a with 150,000 on it just getting around to changing the plugs and wires I got ngk tr55's what should they be gapped at the car is n/a no nos with gears drop in and a tuner....I plan on doing an intake and headers later on oh I also have an slp lid not that has alot to do with anything I dont think. So it should be .058?
Old 05-03-2010, 09:50 AM
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gap them to .045
Old 05-03-2010, 10:00 AM
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Thank you cars at the shop right now
Old 05-03-2010, 02:42 PM
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Gap should be .055
Old 05-03-2010, 02:48 PM
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So what is it?

.045 ?
.055 ?
.058 ?
Old 05-03-2010, 02:48 PM
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I gap my TR55s at .055 also.
Old 05-03-2010, 02:55 PM
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I think TR55's are pre-gapped to .055
Old 05-03-2010, 06:15 PM
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well it's to late now LOL car seems to be running a hell of alot better too well......the original plugs and wires had almost 150,000 on them so yeah LOL.




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