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Old 10-01-2005, 03:40 PM
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Default Tr6's

TR6's vs TR55's .... what is the difference, i know that the TR6 are a colder plug. Would there be any benifit to switching to TR6's? My car likes to run fat and i didnt know if using a colder plug would work better or worse?

Thanks in advance

Paul
Old 10-01-2005, 03:42 PM
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TR6's will foul up really quickly if you're running rich.

So switch to TR6's if you enjoy changing plugs every 3 months.
Old 10-01-2005, 03:51 PM
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Originally Posted by Ole1830
TR6's will foul up really quickly if you're running rich.

So switch to TR6's if you enjoy changing plugs every 3 months.

Damn i already haved to change the TR55's every 3000 miles. Maybe i should try a differnt plug all together.
Old 10-01-2005, 03:55 PM
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Is there a particular reason you like to run your car so rich?
Old 10-01-2005, 04:03 PM
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my car has run rich ever sense i put on my headers. just have not gotten to the point of installing a cam so have not had it tuned yet. but it runs really, really rich.
Old 10-01-2005, 04:39 PM
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Originally Posted by Ole1830
Is there a particular reason you like to run your car so rich?
It makes more power at about 12.5 then its does at 12.8 or .9
Old 10-01-2005, 06:45 PM
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Originally Posted by badaSS346
It makes more power at about 12.5 then its does at 12.8 or .9
Are you talking about WOT A/F?
Old 10-01-2005, 06:51 PM
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I'm confused, I thought TR6s were damn good plugs.
Old 10-01-2005, 07:15 PM
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Originally Posted by FLeXNuTZ
I'm confused, I thought TR6s were damn good plugs.
I run them in my TA b/c I run N2O

They're great plugs. Made primarily for FI or Nitrous. They're just very prone to fouling, especially if your car runs rich.
Old 10-01-2005, 07:58 PM
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They are great plugs but really only used on cars with forced induction or Nitrous. Any colder plug will be more prone to fouling out on a car that is running rich. My tr6's(just pulled them out) looked good and have about 6k miles on them NA(nitrous was disconected for too long , back on now sorta). My car isn't running really rich either but not lean by any means. Go with tr55's for a bolt-on that doesn't have a rich/low timing tune.
Old 10-01-2005, 08:13 PM
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how the hell do i tell if it is running rich or lean without pulling plugs
Old 10-01-2005, 08:38 PM
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Originally Posted by 02sleeper
how the hell do i tell if it is running rich or lean without pulling plugs
Wideband on a dyno.
Old 10-02-2005, 08:44 AM
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Originally Posted by SSDriver
Go with tr55's for a bolt-on that doesn't have a rich/low timing tune.
But what about a rich/low timing tune? Granted im probrably going to have the car retuned any way. Only the 5th time in 1 year
Old 10-02-2005, 12:19 PM
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do they even make a hotter plug for the ls1 than the tr55's ???
Old 10-02-2005, 01:04 PM
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tr55's get my vote.




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