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#11
November 14th 2012, 13:47
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Wally, they are the early so-called cloverleaf style heads, I don't think the compression was originally any different. Combined with the 2.5 block and 1.6mm head gasket these should give about 8.2:1.. The heads are 2l, sorry, didn't measure the valve sizes but they are standard subaru, just being sti the exhausts are sodium filled.
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