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Octane level and compression 140-160

posted by  Phil S. on  Mon Aug 18 09:24 CST 2014
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last visit: Fri Oct 24 13:18 CST 2014
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Octane numbers will go up at lower elevations, typically to 92 at sea level. What compression that will support depends on cam selection, but I can run a stock B20E (nominally 10.5:1 and a D cam) without problems, although it requires some care in tuning.

Yes, you will want to change the jetting when there are large changes in elevation.






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New Octane level and compression [140-160]
posted by  JohnH  on Mon Aug 18 03:11 CST 2014 >


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