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StangSource.com Tech Center » Factory Specifications » 1968 Shelby Mustang
1968 Shelby Mustang Specifications


Model GT-350 GT-500 GT-500KR
Engine
Displacement (cu. in.) 302 428 428
No. of Cylinders 8 8 8
Configuration V V V
Valves Overhead Valve (OHV)
Bore x Stroke (in.) 4.05 x 2.87 4.13 x 3.98 4.13 x 3.98
Compression Ratio 10.5:1 10.6:1 10.6:1
Block Material Cast Iron
Horsepower @ RPM 250 @ 6,000
335 @ 3,200 (Paxton supercharger)
355 @ 5,400 335 @ 5,600
Torque (lb-ft) @ RPM 318 @ 3,200
325 @ 3,200 (Paxton supercharger)
420 @ 3,200 440 @ 3,400
Dimensions
Wheelbase (in.) 108.0
Track Front (in.) 58.1
Track Rear (in.) 58.1
Overall Width (in.) 70.9
Overall Height (in.) 51.8
Overall Length (in.) 183.6
Curb Weight (lbs.) 3,335 3,445 3,570
Transmission
Type Four-Speed full-synchromesh Ford Top Loader
1st Gear Ratio 2.32:1
2nd Gear Ratio 1.69:1
3rd Gear Ratio 1.29:1
4th Gear Ratio 1.00:1
Final Drive Ratio 3.89:1 3.25:1 3.25:1
Type Three-Speed Automatic (C-4 w/ 302ci V-8, C-6 w/ 428ci V-8)
1st Gear Ratio 2.46:1
2nd Gear Ratio 1.46:1
3rd Gear Ratio 1.00:1
Final Drive Ratio 3.50:1 3.50:1 3.50:1
Steering
Type Power-Assisted Recirculating ball
Turns, lock to lock 3.5
Turning diameter (ft.) 37.6
Steering Ratio 16:1
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