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Getting Mixed Results... Spark Plugs (NGK)

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Old 03-23-2011, 02:59 PM
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Originally Posted by TORCHD 02 TA
Yes everything in my motor is stcok with the excepetion of the cam
Yes sir, 55's for you (just my $.02)!
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Old 03-23-2011, 03:08 PM
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thanks matt. didnt mean to bogart the OP thread. i have TR6 in there now, unsure of the gap but i dont think im getting a full enough spark.
Old 03-23-2011, 04:23 PM
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Originally Posted by cookba
thanks matt. didnt mean to bogart the OP thread. i have TR6 in there now, unsure of the gap but i dont think im getting a full enough spark.
Right now I have my TR6s gapped at .035
Old 03-23-2011, 04:24 PM
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Originally Posted by Matt@Texas-Speed
Yes sir, 55's for you (just my $.02)!
Cool I think I will go with some TR55s then
Old 06-09-2016, 10:12 AM
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Originally Posted by TORCHD 02 TA
Ok when I was stock I ran TR55s.. Then with all the mods in my sig including cam I changed from TR55s to TR6s.... I know that a TR6 is a colder plug..

So with my set up (see sig for all mods) which plug should I be running? my speed shop suggested the TR6... I've been getting conflisting results from everyone.. My TR6s have 10k miles on them so I was thinking of changing them out..
So TR55s or TR6s????

If I run the TR55s, run them at .040 or .050 gap

I think my TR6s are gapped right now at .035

Thanks
I have a 7.0 in my ls2 stroker ported heads custom cam ect my engine builder put tr6 ngk part number 4177 v power copper I just changed to tr6 laser iridium last night ngk part number 3689 way better throttle response I'll never use anything except iridium from now on they're is a lot of mis information on here of people guessing every time I have checked my plugs they are the correct hear range by checking the color ect swhen I pull them out any ways hope it helps if your stock wroth bolt ons sick wit factory heat range and gaps stock heat range 5



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