Spencer F.

I have some follow up information on this engine…

Blew up around 300 miles after this oil change, after taking apart the engine, it appears the forged pistons were rubbing against the cylinder walls, causing etching, which made compression very weak. Rod bearings were also hot spotted and were not going to last much longer. My engine builder/tuner believes that this engine did not get properly bored/honed to accept the forged pistons, and the clearance was too tight. Might have also not been properly broken in. The WRX just got a new engine put in, and hoping this one lasts much longer!

By Kristin Huff|2024-04-18T10:11:52-04:002024|Testimonials|Comments Off

About the Author: Kristin Huff

Kristin deviated from the family flock by attending Indiana University, earning an English degree. She worked as an editor and writer in Colorado and Michigan before the siren call of Blackstone brought her back to Indiana. Kristin started at Blackstone in 2002 and has since learned to love the intoxicating world of oil analysis. When she’s not working on the website, creating newsletters, doing HR stuff, or writing reports, Kristin enjoys running, swimming, gardening, and working on visiting all 50 states with her husband and kids.