3/2/2024 0 Comments Butler compression calculator![]() There’s no single “best” compression ratio for all situations.Ĭan you run higher compression with aluminum heads? The ideal compression ratio depends on the engine’s design, fuel, and intended use.A safe estimate for DCR on regular pump gas is around 8.0-8.5:1.What octane is needed for dynamic compression? It’s generally advisable to keep the DCR below 8.5:1 for 87 octane fuel.What is the max dynamic compression for 87 octane? ![]()
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