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Old 01-05-2005, 08:13 PM   #1
STi-Nismo Dood
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Default What is my new compression ratio? EJ18 heads w/ EJ20 block
my motor is being hybrid'd with a 2003 ej20 shortblock thats going w/ my 1993 phase-I ej18s sohc head.

What would be my compression ratio if I am using regular ej20 head gaskets on this? Thanks.
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Old 01-08-2005, 05:23 PM   #2
STi-Nismo Dood
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Join Date: Feb 2001
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MY93 ImprezaRA Sedan
GC8.6 Aspen White
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ehhhhh does anyone know if the heads on the ej18 are the same as the NA ej22's??
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