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Old 07-19-2005, 12:54 PM   #9
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Member#: 82487
Join Date: Mar 2005
Location: Singapore
2007 WRX STI Spec C


Originally Posted by n2xlr8n
While it is true that a higher compression engine will in fact use less fuel than its lesser compressed twin, I'd venture to say that going from 8:1 to 9:1 would not make a substantial difference.
i don't see why it shouldn't be more fuel friendly, 1 point more compression coupled with avcs should make quite a difference especially during off boost driving.

what about power delivery?? with a good 9to1, its gonna be alot nicer and faster getting boost than a usdm. will i be able to get close to that kind of response with a BB turbo (vf34)??

so BB bearing turbo VS 9to1 CR and avcs. who wins in response??
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