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Old 06-09-2012, 11:25 AM   #1
2SSCAMARO

 
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Question for Professional Forum Tuners

What is your conclusion of the following scenario? Repeated logs showed average LTFT's to be in the range of -2 to -3. Only change made was installing new spark plug wires. Repeated logging now show LTFT's to be in the range of -4 to -6 conducted during very similar temps and conditions.
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Old 06-09-2012, 09:44 PM   #2
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Normal

You tune LTFT today to be under the 3-5 %.

Tomorrow you'll take the car for a drive and you could be 4-8%

Next day they can be -3-6%

Its a moving target. Out of the factory they are plus or minus 10+%

Plugs didnt play much of a factor.
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