05-01-2019, 10:05 AM
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#23
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Driving Coach
Join Date: Jun 2012
Drives: BRZ
Location: Atlanta
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Quote:
Originally Posted by Hags86
Stay with 12.5:1 because
- smaller turbo for same power
- smaller turbo spools faster
- you get a high compression NA engine at the low rpm range rather than a low compression NA engine before the turbo spools
- the direct injectors don't work so great at different compression ratios
- e85 and DI does an amazing job of preventing detonation which is the only reason to lower static compression ratio
I honestly can't think of a single good reason to lower to 10:1
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this x100
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