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Old 05-16-2012, 04:20 PM   #426
mcuzzin
Scooby Newbie
 
Member#: 292732
Join Date: Aug 2011
Chapter/Region: SWIC
Location: Gilbert,AZ
Vehicle:
2011 WRX
DGM

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Quote:
Originally Posted by Jmhm17 View Post
Not sure on the intercooler part, I cant see subaru rotating the turbo slightly to accommodate for a bigger intercooler.

the difference between the 2 turbos is mainly the wastegate to hold boost better, also the dimensions are very very slightly different.

The STi internals are not different other than the pistons which are domed more but only slightly. Between the 2 motors one is no stronger than the other as they both have the same issues with ringlands (as far as pistons go). the big difference in the STi motors are their heads, they flow much better than the stock WRX heads, but I have been told that modded ej255 heads vs modded ej257 heads the 255 heads flow much better.

2011-2012 wrx vs sti is very minimal. The tranny and suspention is what you pay for, as for power, a pro tune on a wrx will get you the same power as a STOCK STi, along with some simple bolt ons.
^Like.

Do you know about 04-05 STi TMIC fitment on the 2011's? Whether or not there's modding involved..etc.
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