Quote:
Originally Posted by WC-BRZ
Does the new 2.4L really have 13.5:1 compression? I'm trying to do a search and confirm it, but can't find much. If it really is that high, how is this usable everyday unless you put something barely below race-gas grade in there!?
|
Mazda run 13:1 and 14:1 in their SkyActiv G engines, not to mention 16.3:1 in the SkyActive X, all that on regular fuel.
The new 2.4 will probably demand premium, same as the current engine, so somewhat less of a challenge.