[s-cars] NAC Mazda SKYACTIV

[Taka Mizutani]

Direct injection, long stroke and combustion chamber design.

Cadillac is doing around 12:1 with direct injection and regular unleaded
and Hyundai is running a pretty high compression ratio with
their GDI turbo engine and it runs on regular as well.

Taka


On Wed, Apr 25, 2012 at 11:52 PM, Varon H. Fugman
<vfugman at globaldialog.com>wrote:

> 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?
>