Thread: could 87 octane make it knock?
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Old 10-14-2001, 02:08 AM   #5
mustangbob19
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Join Date: Sep 2000
Location: Minnesota
Posts: 125
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why run 87 octane???

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1990 Mustang GT 5.0
1966 Mustang 200 six
2001 Ford F-150 5.4
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