[s-cars] NAC Mazda SKYACTIV

[djdawson2 at aol.com]

The short/stupid answer is advanced engine management systems, and piston/combustion chamber design.  Motorcycles have been doing it for years.
 

 

 

-----Original Message-----
From: Varon H. Fugman <vfugman at globaldialog.com>
To: 'S-car-list' <s-car-list at audifans.com>
Sent: Wed, Apr 25, 2012 10:00 pm
Subject: [s-cars] NAC Mazda SKYACTIV


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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