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Old 08-21-2012, 06:52 AM   #10
Patrick Olsen
NASIOC Supporter
Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
1997 Legacy 2.5GT
1996 Impreza coupe


Originally Posted by Skrane View Post
Why iron block?
I was wondering the same thing. I understand the iron block would be cheaper, but it shouldn't be that hard to find an aluminum engine, and the weight savings on the nose is more than worth it IMO. The aluminum 5.3L engines (LM4) can be had for $500-800 complete, for instance, and will make tons of power just like the other LS motors.
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