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Old 04-23-2005, 11:32 PM   #1
Scooby Specialist
Member#: 11454
Join Date: Oct 2001
Chapter/Region: SCIC
1998 impreza L
brillant red

Default hybrid motor?

anyone running ej20g heads with a 257 block? what kind of CR are you guys getting? my motor is already put together but i am worried about the CR being a tad to high?
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Old 04-25-2005, 01:29 PM   #2
Matt Monson
Scooby Guru
Member#: 832
Join Date: Jan 2000
Chapter/Region: RMIC
Location: Teh Ghetto Garage, CO
99 2.5RS, '85 911
'73 914 and 2012 BRZ


Ej20G heads have a 57cc head volume. You will have a compression ratio in the mid to low 7's with those heads. They have more volume than any other EJ series head...
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