11 To 1 Compression What Octane - If i can get by with 11:1 and aluminum heads here, you should have no. Web in order to determine the octane booster that you need, either discuss with your tuner, and know your compression and/or boost. Web the recommended octane rating for an engine with 11 to 1 compression is typically 91 or higher. Web here in california we only have 91 octane. Web the recommended octane for an 11 to 1 compression ratio is 91 or higher, as lower octane fuels can cause knocking.
Web here in california we only have 91 octane. If i can get by with 11:1 and aluminum heads here, you should have no. Web the recommended octane rating for an engine with 11 to 1 compression is typically 91 or higher. Web in order to determine the octane booster that you need, either discuss with your tuner, and know your compression and/or boost. Web the recommended octane for an 11 to 1 compression ratio is 91 or higher, as lower octane fuels can cause knocking.