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Generation III Internal Engine
TR55s or TR6s

Generation III Internal Engine 1997-2006 LS1 | LS6

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TR55s or TR6s

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Old

Mar 6, 2010 | 11:04 AM

#1

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TR55s or TR6s

Can NGK TR55s be gapped down to .035 on a H/C setup or do you recommend TR6s?

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Mar 6, 2010 | 11:10 AM

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TR6's for that gap.

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Mar 6, 2010 | 11:12 AM

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tr6's gapped .035 no problems mods in sig... my tuner said the gap just needs to be consistent. just check the gap and install. apparently the tr6's are better for modded vehicles to alow for more timing....just what ive heard.

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Mar 6, 2010 | 11:41 AM

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Quote:

Originally Posted by 20ws601

tr6's gapped .035 no problems mods in sig... my tuner said the gap just needs to be consistent. just check the gap and install. apparently the tr6's are better for modded vehicles to alow for more timing....just what ive heard.

Because they are one step colder....

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ngk, speed, texas, tr55s

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