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Sparkplugs H/C/I TR6's?

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Old 05-27-2012, 09:26 PM
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I ran tr6's-13:1 cr at the track but if I drove in the street with them they would foul out so I'd drive aroung on tr55's then when I got to the track I'd swap the to the tr6's.
110 fuel.
Old 05-28-2012, 01:31 AM
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I guess I just don't see how it's possible to foul a TR6 or even Br7 when I drive mine with -7's and -8s in it.

Now the -8's had a stumble to them when I'd go from idle to moving, but after leaning out the idle and cruise regions it doesn't anymore.

This is on a stock CR ls1 motor.
Old 05-28-2012, 07:48 AM
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Originally Posted by tektrans
I ran tr6's-13:1 cr at the track but if I drove in the street with them they would foul out so I'd drive aroung on tr55's then when I got to the track I'd swap the to the tr6's.
110 fuel.
I used to street drive a car on race gas also and had the very same issues.
Old 05-28-2012, 01:17 PM
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I drive mine with 110 mixed with 93 on the way from the track.

Works fine for me. I'd guess after a while though the leaded fuel will load up no matter what afr or timing you run. Only can keep it at bay for so long.

My car being a nitrous car I change the plugs a lot so I don't ever notice I guess.
Old 05-28-2012, 04:58 PM
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Originally Posted by tektrans
I ran tr6's-13:1 cr at the track but if I drove in the street with them they would foul out so I'd drive aroung on tr55's then when I got to the track I'd swap the to the tr6's.
110 fuel.
I know you're glad those days are over.



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