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Old 05-07-2009, 12:41 AM   #1
Scooby Newbie
Member#: 50341
Join Date: Dec 2003
Chapter/Region: SCIC
Location: San Diego
98 2.5rs
Wr Blue

Default Sti block to NA

I recently bought a 98 impreza rs with a blown shortblock. I have access to a rebuildable sti block. Does anybody have any info on using the sti block and converting to NA. I would be reusing the 2.5 NA heads. From what I read in the service manual, the bore and stroke is the same. Could I just swap new NA pistons. I am looking at JE pistons. Would there be any benefits from using this block, with Sti rods, Stock Sti Crank, and the JE pistons. I am pretty sure it could handle more abuse. I know I have to check and make sure the rod length is the same. I saw they have two different rod lenghts for the Sti shortblock.
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