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Old 09-18-2007, 04:58 PM   #1
w chapman
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Member#: 75673
Join Date: Nov 2004
Default What is the thickness of the OEM Phase II 2.5 HG?

Can someone tell me the difference of the OEM Subaru HG for the Phase II SOHC 2.5L motor.

I'm trying to decide wheter or not to use OEM or Cometic HGs and I read elsewhere that the stock HGs where .03 and the "thin" Cometics were .04.

I don't want to loose any compression.

Warren
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Old 09-18-2007, 09:07 PM   #2
ballitch
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Member#: 74907
Join Date: Nov 2004
Chapter/Region: NWIC
Location: salem, OR
Vehicle:
98 cam'd EJ251
Wrx Tranny,slowr than ish

Default

.03 vs .04 might make you lose .05 of a compression point, dont worry about it. instead of 10.0:1 it might be 9.95:1, you could never, ever tell the difference.


~Josh~
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Old 09-20-2007, 12:18 PM   #3
w chapman
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Join Date: Nov 2004
Default

Still like to know the specs for the OEM gasket.

Warren C.
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