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Old 08-16-2014, 03:14 AM   #23 (permalink)
matt36415
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Quote:
Originally Posted by kafer65 View Post
The skyactive engines use piston and timing tech to run 87 octane and vary timing atkinson style to vary compression from 6-13:1 in USA.
I know engines vary ignition timing based on knock sensors, I didnt think they could change the compression ratio though. That would be a good trick if it can.

Is this real or just a mistake?
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