good spark plugs?

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Mar 6, 2006 | 10:04 PM

99Z28camaro

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From: Caddo, Oklahoma

good spark plugs?

could anyone tell me a good spark plug to run in my 99 z28?

Mar 6, 2006 | 10:19 PM

TUFAS4U

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Ngk Tr55

Mar 6, 2006 | 10:21 PM

wamp42

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What spacing should we set these to maximiaze performance? And are NGK TR55's really that much better than other stock AC Delco plugs?

Mar 6, 2006 | 10:27 PM

JEB Garner

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Go here and try these. They are the best. http://www.briskusa.com/advantages.htm#shape

Mar 6, 2006 | 10:33 PM

Lithium

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Tr55's at .055

Mar 6, 2006 | 10:35 PM

wamp42

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From: DeKalb/ Yorkville, IL

I think Ill go with the TR55's at .055 and see if I notice a difference.

Mar 6, 2006 | 11:56 PM

LS1powerhouse02

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another vote for NGK TR55s!

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Mar 7, 2006 | 05:21 PM

davered00ss

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From: Plainfield, CT

Naturally Aspired NGK TR55's
Forced induction or NItrous NGK TR6's

Mar 8, 2006 | 01:26 PM

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MikeSomething

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Mar 8, 2006 | 08:07 PM

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4.6gt-2-ls1ta

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I have had 2 sets of tr55's in my car and both sets had crappy idle, I switched this time to the AC Delco Iridium to see if they make a difference so far so good, but it has only been a couple of days still need more drive time on them to know for sure.