Thread: Quick question: Did all my02 stis come with fully forged pistons from factory?
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Old 24-01-2015, 09:23 PM
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Originally Posted by Rossco View Post
All International/JDM Ej207's from my99/00 Version 6 STI onward have either HF-3 or HF-4 oem forgies, version 5 and earlier had to be optioned for them.

If yours has cast pistons you have an EJ205.
Definitely an ej207,the engine code is ej207dw5cr. From a v8 MY03 STi. According to NASIOC it has cast hypereuthectic pistons: http://forums.nasioc.com/forums/show....php?t=2385141
Last edited by dnbosiris; 24-01-2015 at 09:32 PM.
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