View Single Post
  #6  
Old 14-07-2016, 07:29 PM
Tony's Avatar
Tony Tony is offline
Subaru Tech Division
Member
 
Join Date: Aug 2012
Location: Stoneville
Posts: 1,288
Thanks: 38
Thanked 71 Times in 69 Posts
Tony knows their stuff
Default

The only difference between an ej255 and new ej257 short block is the compression ratio and the ej257 comes with a head treated crankshaft. Block casings, rods are exactly the same. Ej257 isnt semi-forged like the ej207 if that is what you are hoping to achieve.
__________________
The one perkent...
Reply With Quote