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Old 06-05-2004, 06:55 PM   #6
greg donovan
Scooby Specialist
Member#: 60743
Join Date: Apr 2004
Chapter/Region: MWSOC
Location: Fargo, ND
'95 Impreza L
dirty and on jack stands


Originally posted by ChAi
thank for the info

so if i have turbo in my car, can i use the 98 ej25 DOHC head gasket (0.152cm) on 99 EJ25 SOHC to lower the compression ratio?

and what is the STI 2.5L head gasket thickness
yes you can use the dohc gasket on a sohc car. you may have to modify the gasket to make sure the oil and wat er passage hole line up. you dealership should have both in stock so you can compare. and yes it will lower the CR. about 1 point.
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