Thread: Testing The Waters
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Old 01-07-2014, 04:13 PM   #27
Jason@DSG
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Quote:
Originally Posted by uspspro View Post
Based on factory turbo DI engines, I would think 10.0:1 would be ideal. Maybe 9.5:1 in CA with crappy 91.
Most factory 4-cyl turbo engines are actually 8.0-9.5:1 (4B11T, EJ207, EA888, etc.)
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