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When it comes to higher compression ratios & boost or nitrous the need of a quality tune is key. The RX8 has a factory compression ratio of 10.0:1 & with moderate boost levels they do fine. I know of piston motor guys that run high compression motors on boost as well, it's just more common to drop the compression & raise the boost to make more power allowing for more tuning error to a degree. They generally run high octane fuels or meth injection.
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