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Car running odd

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Old Jul 27, 2012 | 11:43 PM
  #1  
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Default Car running odd

ok well i drove my car to the track a few weeks ago and raced it and it did great for the heat we had and i drove it home and didnt notice anything wrong when driving.. let the car sit for a few days and realized i had the wrong plugs in it so i switched from a tr5 to a tr6 gapped at .45 and now the car runs like total ****.. changed the plugs to another set of tr6's gapped at .40.. same result.. pull the plugs and they look like this

tr5's


no.2 tr6


no.3 tr6


what could have changed between letting it sit and putting a set of different plugs in? i know its adding timing for some reason but why
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Old Jul 28, 2012 | 12:33 AM
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TR6 is one heat range colder. Is your car tuned for that heat range?
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Old Jul 28, 2012 | 12:57 AM
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I'll chime in because I did exactly the same.
I raced with TR5, and switched before the next race. Was struggling with the auto **** stuff, and didn't make any good runs. Drove the car all this week, and it just seems off.....it pops after startup, and will pop or skip a bit from time to time.
I'm going to put my 5's back in and see what's up. Tomorrow and race in the evening.
BTW....both gapped at .040

Not sure what you mean by they are adding timing.

Ron
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Old Jul 28, 2012 | 01:10 AM
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on the band the timing mark is closer to the base than the tr5's but my car does not pop but yeah i can tell somethings off
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