the stang analizer says that 300hp in a 3400lb car would put you at about 13.08@104mph, im not sure if it uses rwhp or if you need actual engine hp to calculate it, probably rwhp because if you think about it, 96-98cobras have 305bhp and dont run close to 13.0
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88 Notchback 5.0, 3.73's, pulleys, BBK headers, off-road H-pipe, flowmasters, subframe connectors, 65mm TB, shift kit, March ram air kit, motorsport wires, MSD coil, upper and lower control arms, 155lph fuel pump, cheap 2800 stall, Crane Adj.FPR, best time- 13.99@99.75, not yet tested times after 1.7RR install