QUOTE(shinrei @ Aug 3 2015, 07:29 PM)
Springfall, how's the engine on the new wrx '15? Is it better than the previous wrx?
I cannot comment much since I don't own the car.But I know few people using the FA20 in the forester (3 only).
pro's of the FA20 DI is
early power (power comes online earlier than the EJ25)
new engine redesign for the next 10 years+ (yay! or ney depends, i say yay!)
fuel economy + can use ron 95 (EJ25 ron98+ only or ringland issues increases)
sightly higher HP/tor (but car is heavier and slower apparently)
(vortex heads design or something to reduce carbon buildup seen in DI engines- need to see long term 100k' km)
Con's are
DI system (for now my uncle's forester have little carbon so this might not be of such a big deal, for now)
no signature boxer exhaust note (yeah slap a catback but the sound is less prominent)
High pressure fuel systems that is natural for the DI engine (and overall systems used in the car).
cost to maintain
there are little cons for the engine (as itz pretty well built) and the problems seen will be in the ECU tuning (early batch problems) and other areas of the car (since we are looking into the engine only).
overall itz still a new engine (as in setup) hence i'm also curious.
compare with the my13/my14 wrx, the older is more tuner/modder friendly since it shares engines with older models.
Note* FA20 DI cannot be compared to FA20 DIT found in BRZ, making this even harder to assess the carbon issues.
why should you be afraid of carbon built up? (hp loss, less fuel efficiency, costly to clean)
If you are planning to use the car short term, its no big issue i guess.
Note** im not an engine engineer, I did my research as I'm looking in purchasing one only; I may be wrong.
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This post has been edited by springfall: Aug 3 2015, 08:05 PM