Thread: 18 XC300 jetting for 5000 feet
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Old 09-17-2018, 10:36 PM
AZRickD AZRickD is offline
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Join Date: Feb 2007
Posts: 1,838
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Definitely replace the stock needle for one that is leaner.

There are a few threads on the forum that discusses the 2018 jetting solutions.
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