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Octane Compression Ratio Chart: How much octane do I need?

In order to determine the octane booster that you need, either discuss with your tuner, and know your compression and/or boost pressure. Then follow our mixing charts provide our Calculator App, above.

To determine octane to your compression, follow our easy to use chart below.

Compression Ratio Chart = Octane

To help determine compression if you have forced induction (supercharger, turbocharger, or procharger) follow the chart below

Using the BOOSTane app to determine your needs.

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