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High altitude problems

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robertb1278

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I just bough a 2009 175 baylin

I just bough a 2009 175 bayliner with a 3.0L carburated engine. It was set up for sea level and we live at 7200 feet. Any ideas of what size jet for this carb. It is a mercarb 2bbl. Thanks for any ideas
 
"This ought to take the guess

"This ought to take the guess work out:

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[url=""][b]97_08.pdf[/b][/url] (50.4 k)</td></tr></table></center>"
 
Gear ratio should be 1:98 on u

Gear ratio should be 1:98 on upper and 2:20 on lower. 10 degrees btdc and adjust carb for your altitude. SHOULD RUN LIKE A BAT OUTTA HELL. Readjust if you go below 5000 ft.
 
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