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09-19-2005, 02:37 PM #1
what type of spark plugs do you use??
I am putting in some lt's wed. and figured i might as well change plugs while i am their. What is a good plug to run in these cars? I have an 01 Z28. Thanks for your help.
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09-19-2005, 03:04 PM #2
- Join Date
- Jul 2005
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- Jacksonville, FL
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I use NGK TR55's.
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09-19-2005, 05:09 PM #3
how long have you ran them? do they seem to be good?
thanks for the info.
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09-19-2005, 08:56 PM #4BlackHawk T/AGuest
Those are some of the best.
But what gapping is optimal?
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09-19-2005, 09:51 PM #5Tx_Rice_HunterGuest
NGK's in my Z. Love em.
I left the "stock" gap on them.
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09-19-2005, 10:10 PM #6
NGK tr55IX...their kinda expensive but haven't had any probs with'em...and their supposed to last a long time
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09-20-2005, 01:21 PM #7hfldTAGuest
Ac delco Iridiums gapped @ 60
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09-20-2005, 06:27 PM #8
what is the difference between tr55 and tr55ix?
thanks for the info guys
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09-20-2005, 06:57 PM #9
the ix are the irinium...however you spell it
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09-20-2005, 07:22 PM #10
- Join Date
- Aug 2005
- Location
- Thornton, CO
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Red Tint Jewelcoat- 2008 Trailblazer SS
Originally Posted by 2001NBMZ28
I swap them out every 10,000 miles or so. They don't last the longest, but they work well in our cars.
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