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H/C/11:1 compression.......TR55 or TR6?

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Old Apr 3, 2005 | 10:23 PM
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Default H/C/11:1 compression.......TR55 or TR6?

I've been running TR6's in mine since the heads with no issues at all. Just wanted to get a poll of who ran what in terms to the plugs. I'm think about going back to the 55's just to see if there is any difference. What yall running?
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Old Apr 3, 2005 | 11:02 PM
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as long as you aren't fouling the plugs I'd stick with the ones that work for you.
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Old Apr 3, 2005 | 11:11 PM
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I use TR6 in my 11:1 engine......as KCFormula said....if you are not fouling the plug (they stay clean), then stay with the cooler plug....
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Old Apr 4, 2005 | 06:25 AM
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What gap r u guys running on the TR6? I posted the same question last week here and one guy responded with .045.
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Old Apr 4, 2005 | 04:58 PM
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11.3:1 & TR55's
Car runs absolutely beautifully.
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Old Apr 4, 2005 | 09:00 PM
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I'm running the TR6 at a .045 gap right now. Might swap over to the 55 at .050 to see if there is any difference. Not sure if the motor needs the TR6's as it is NA.
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