[s-cars] NAC Mazda SKYACTIV

Varon H. Fugman vfugman at globaldialog.com
Wed Apr 25 20:52:16 PDT 2012


Does anybody have any idea how Mazda is able to run a 13:1 compression ratio
on their normally aspirated 2.0 liter SKYACTIV engine. on regular unleaded?
How are they avoiding knocking?

 

This engine is rated at 155hp and they claim 40mpg hwy in a SKYACTIV Mazda3
with 6-speed automatic.  

 

Varon

'95 urS6

'07 Jetta 2.0T (I think the "T" stands for "ticket"!)

 



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