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Old 12-13-2003, 05:27 PM   #2
Hondaslayer
Scooby Guru
 
Member#: 4562
Join Date: Feb 2001
Chapter/Region: NWIC
Location: Auburn, WA
Vehicle:
2014 Electric Datsun
2005 Adventure van

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Perfectly normal.
The sound you are hearing is piston slap. In 97 Subaru made the EJ25 more powerful and fuel efficient by utilizing a lighter piston. Until the engine warms up the pistons are not fully seated in the cylinder. think of them as egg shaped until they warm up,and round when heated.


Ben,
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