All this is not really difficult to understand.
200 gross hp X 85% = 170 net at the flywheel. (Ford's figures).
170 net hp X 75% (C-4 auto) = 127.5 hp at the wheels.
I fail to see the problem.
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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