1992 STS 4.9L Performance

The following graph shows a comparison of my 1992 STS 4.9L OHV, with Fastchip, Accel ignition, MSD wires, and Edelbrock muffler with my 1996 STS 4.6L DOHC from 0 to 70 mph in 10 mph increments.  

 

Modified 1992 STS AP-22 Baseline:

92 STS 4.9L Temp: 79F Humid: 80% Barometer: 29.68s Weight: 3826 lbs (low on fuel) Run 1:  Start Speed 0.0mph  mph   s    g   ft  hp  10.0 0.88 0.53   6  56 20.0 1.72 0.54  24 113 30.0 2.68 0.44  60 142 40.0 3.94 0.29 125 128 50.0 5.50 0.26 229 149 60.0 7.28 0.24 373 166 70.0 9.36 0.20 572 170 Pk Power: 66.3mph 8.54s 490ft 174hp Peak G: 20.4mph 1.76s 25ft 0.54g Check Run 2: Start Speed 0.0mph  mph   s    g  ft   hp  10.0 0.90 0.54   6  57 20.0 1.73 0.54  24 114 30.0 2.71 0.43  60 138 40.0 3.98 0.31 126 136 50.0 5.58 0.26 233 146 60.0 7.40 0.23 380 159 70.0 9.51 0.19 582 165 Pk Power: 69.3mph 9.34s 564ft 171hp Peak G: 20.7mph 1.79s 26ft 0.54g