An extra nickel?
The gas tank could easily have a "bubble" above and below the float that it could fit into at the extremes. But that would be too simple and might cost an extra nickel. It's also just not too high on the manufacturer's priority list to have an accurate gas gauge.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
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