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Old 07-30-2012, 04:16 AM   #25
Beastly Adventurer
Joined: Jan 2012
Oddometer: 1,673
If you are doing power runs on a dyno you will find pressure makes a very big difference. Serious 2T racers will also change jetting to suit atmo conditions, and changes here are directly related to ignition settings, and of course heat.
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