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Old 08-18-2015, 10:12 PM   #6
Alan Roehrich
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Default Re: EFI TROUBLE! ED W. All Cooters, Help!!

Compare incrementals and see where you are off.

If your A/F ratio and RPM are the same, odds are your timing is as well.

If your RPM is the same, but your MPH is low..................

The humidity is 22% higher on the slower pass.

What change did you make with the oil (and filter)?
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