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Jan 19, 2007 | 05:35 PM

#1

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From: Wenonah nj

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spark plugs

I just bought some NGK TR55IX (7164). I gapped them at .35. I Dont have Nitrous. Just a big cam setup. Should i take the plugs back out and regap them to .60 or will they be fine at .35?

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Jan 19, 2007 | 05:51 PM

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From: Cleveland, OH

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Regap at .055. If you want to get the gap at .035, use the TR5 as it's the same as a TR55 only with a tighter gap (same heat range). Manufacturer recommends only +/- 10 from the box. Since out of the box TR55 is .060, you see why going to .055 is OK.

Just having nitrous doesn't mean automatically gap at .035.

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Jan 20, 2007 | 10:43 AM

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From: Long Island, NY

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Stock compression? Id run the .055 like suggested. Raised compression, I prefer TR6 and .045.

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