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Boost effective CR
Pull static CR from the compression calculator.
Shared build memory
Static CR + boost. Not gearing.
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13.90 : 1 effective
Static 9.00:1 @ 8.0 psi gauge
Very high effective CR — race fuel / careful boost control.
Effective CR = static × (boost + 14.7) / 14.7 at sea-level absolute. Ignores VE, altitude, and intercooler efficiency — planning tool only.