09-08-2020, 08:25 AM
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CC Member
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Join Date: Feb 2006
Location: Alexander,
AR
Cobra Make, Engine: B&B 427 Stroked Windsor TKO 600 w/3.50 posi 9"
Posts: 789
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Not Ranked
New 427w just broke in and I'm getting 16 best and 11.4 the worst so far. 14.5 overall average after 118 gallons and 1715 miles on it. Somewhat easy for the first 1000, not so much for the last 700!
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