New Plugs...Still alittle misfire....
07-06-2005, 04:39 PM
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New Plugs...Still alittle misfire.... I jus switched out my old plugs in my 2000 z28, after 4 bottles of 150 shot, and put new ngk tr55 gaped at about .068...after a quick testdrive, there is a slight mis fire at about 4500 rpm, 1st gear and second...is this normal due to the condition of my old plugs, was told my comp needs to "readjust" to a good plug, if so, how many miles does this take, if not, where do i start????thanks.............
07-06-2005, 07:58 PM
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The Tr6 is a heat range colder plug than the Tr55, it is reccomended that you run a colder plug with nitrous.
Last edited by nostyta; 07-06-2005 at 09:50 PM.
07-06-2005, 08:29 PM
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I have an '01 WS6 with the same problem...I have similar problem but only hits at 5k rpms or so....how does yours mis fire? Is it a stutter like trip then teh SES lite flashes??
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07-06-2005, 10:28 PM
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Originally Posted by BigSmallBlck2GZ
u think regap, stock gap was .088... so it should still hit clean??
07-07-2005, 12:21 AM
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not running nitrous anymore, thats why i went with tr55s. im starting to think it mite be gapped wrong. if a stock gap should be no more then .055, then, .066 would be enough to make it run like that..?
guess i gotta try regapping...****