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  1. Fuel System
    What I'm wondering, is why is it that the L36 with 9.4:1 compression requires 87 minimum octane, whereas the L67 with 8.6:1 compression requires 91 octane minimum? If engines with higher compression require higher octane, then why does the L36 require a lower minimum octane? And also, why the...
    compression l36 l67 octane ratio
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