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Old 10-10-2014, 11:59 AM   #341
Astroboy
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Garage
Quote:
Originally Posted by nikitopo View Post
You mean the stock ecu? Nope.. above 4000 RPMs it runs quite rich. Factory adds more fuel in high RPMs for protecting the motor generating high temperatures and dangerous knocking. Tuners always changing these AFM ratios and run leaner ..

Then what what was the issue with the factory tune? Was it timing?


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