my owners manual says to use 90 or higher octane gas in my '66 CL77
305 scrambler. does anyone have any experience on. using a lower
octane?
fuel octane for CL77
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fuel octane for CL77fuel octane for CL77my owners manual says to use 90 or higher octane gas in my '66 CL77
305 scrambler. does anyone have any experience on. using a lower octane?
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