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.

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.