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Old 10-11-2013, 06:44 PM   #48
kheff46
Scooby Specialist
 
Member#: 66739
Join Date: Jul 2004
Chapter/Region: MWSOC
Location: Medina, Ohio
Vehicle:
2002 WRX wagon
silver

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Quote:
Originally Posted by 2slofouru View Post
Strange, because the ej257 solid buckets don't fit the ej20k heads. I ordered one from subaru and the diameter and height are larger than the ej20k shim under and ej25d shim over buckets I have. It would have been a LOT easier to use usdm solid buckets but I had to to with the ez30r exhaust buckets. When I search the part number I used it fits from the 12 wrx sti all the way back to 02 2.0l wrx. Maybe Subaru could have packaged the wrong bucket accidentally?

Ej257 solid bucket on left and ej25d/ej20k shim over bucket on right:

There are similarities, but the head parts are not like legos. I have my previous set of ej20k shim under heads in my room and the set I had cnc'ed to 257 chamber specs running on the car now. I also have my ej25d heads. The ej20k and ej25d heads are pretty close including the capability of adding the turbo feed.

I'm trying to get some good information out, part of the reason it took so long for me to get my heads built was because of all of the inaccurate posts I've found on this site. The fact they stay up and many never get corrected is what sucks for people trying to research without having to start threads just to ask. Sometimes searching isn't your friend. Maybe somehow the bucket I got sent was the wrong one, but I doubt it. The only possibility could be there is some error in their listing and maybe the bucket size changed after a certain year, otherwise the pics speak for themselves.
Sorry, i meant ej25d, i should have stated that initially! K's and D's are same castings, 255/257 are different.
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